Zoning › California › Los Angeles County › Los Angeles

Los Angeles, CA Zoning

Euclidean-zoning. 27 districts · 8 overlays · 7 applicable state preemptions.

Overview

Code type
euclidean
Naming convention
mixed

LA uses a dual-code system: Chapter 1 (adopted 1946, covers entire city except Downtown) and Chapter 1A (re:code LA New Zoning Code, operative 2025-01-01, Downtown Community Plan Area only). Chapter 1 is the standard framework for this profile; Chapter 1A is the pilot for the citywide re:code LA rewrite. Zone strings must be parsed as [Prefix][Zone Class][Height District][D Limits][Overlays] — ZIMAS is the authoritative per-parcel decoder. Height Districts (1, 1L, 1VL, 1XL, 1SS, 2, 3, 4) are modifier suffixes governing FAR and max height. RD zones encode minimum lot area per DU in thousands of square feet (density-inverse: RD6 = less dense than RD2). R1 Variation Zones (R1V, R1F, R1R, R1H) are NOT in Height Districts and have their own tables in LAMC §12.08 C.5. RFAR (Residential FAR) governs SF/MF residential in HD-1 variants — separate metric from commercial FAR. | naming_convention_raw=use-and-density-hybrid ; sub_flags_raw=[dual-code-system, height-district-modifier, rfar-separate-from-far, large-city]

Worth knowing
  • Dual-code system — Chapter 1 (adopted 1946) governs all community plan areas except Downtown; Chapter 1A (New Zoning Code, re:code LA) operative 2025-01-01 governs Downtown Community Plan Area. Two parallel zoning systems operating simultaneously. Rest of city awaits rollout. c Planning Dept.
  • Zoning string complexity — must be parsed as [Prefix][Zone Class][Height District][D Limits][Overlays]. Example: '[Q]R4-1-HPOZ' = Qualified R4 in Height District 1 with HPOZ overlay. ZIMAS (zimas.lacity.org) is the authoritative parcel-level decoder. c§12.04
  • RD zones encode lot area per DU in thousands — density-inverse naming: RD6 = less dense than RD2 (6,000 sf/DU vs 2,000 sf/DU). Counterintuitive relative to most CA cities. c§12.09.1

+ 15 more in Quirks & notes

Districts

res_mf 11res_sf 8com 5ind 3
CodeNameCategory Min lotHeight CoverageFAR Du/acParking Setbacks F/S/R
RAResidential Agricultureres_sf17,500 sf[4]36 ft[5]—[6]—[7]—2[8]25[1] / 5[2] / 25[3]
RE9Residential Estate 9res_sf9,000 sf[12]33 ft[13]—[14]—[15]—2[16]25[9] / 5[10] / 25[11]
RE11Residential Estate 11res_sf11,000 sf[20]36 ft[21]—[22]—[23]—2[24]25[17] / 5[18] / 25[19]
RE15Residential Estate 15res_sf15,000 sf[28]36 ft[29]———2[30]25[25] / 10[26] / 25[27]
RE20Residential Estate 20res_sf20,000 sf[34]36 ft[35]———2[36]25[31] / 10[32] / 25[33]
RE40Residential Estate 40res_sf40,000 sf[40]36 ft[41]———2[42]25[37] / 10[38] / 25[39]
RSResidential Suburbanres_sf7,500 sf[46]33 ft[47]———2[48]25[43] / 5[44] / 20[45]
R1One-Familyres_sf5,000 sf[52]33 ft[53]———2[54]20[49] / 5[50] / 15[51]
RD6Restricted Density 6res_mf—33 ft[58]——7.26[59]2[60]15[55] / 5[56] / 15[57]
RD5Restricted Density 5res_mf—33 ft[64]——8.71[65]2[66]15[61] / 5[62] / 15[63]
RD4Restricted Density 4res_mf—33 ft[70]——10.89[71]2[72]15[67] / 5[68] / 15[69]
RD3Restricted Density 3res_mf—33 ft[76]——14.52[77]2[78]15[73] / 5[74] / 15[75]
RD2Restricted Density 2res_mf—33 ft[82]——21.78[83]2[84]15[79] / 5[80] / 15[81]
RD1.5Restricted Density 1.5res_mf—33 ft[88]——29.04[89]2[90]15[85] / 5[86] / 15[87]
R3Low-Rise Multiple Dwellingres_mf—45 ft[94]——54.45[95][{'variant': 'studio', 'value': 1}, {'variant': '1BR', 'value': 1.5}, {'variant': '2BR+', 'value': 2}][96]15[91] / 5[92] / 15[93]
R4Medium-High Multiple Dwellingres_mf——[100]——108.9[101][{'variant': 'studio', 'value': 1}, {'variant': '1BR', 'value': 1.5}, {'variant': '2BR+', 'value': 2}][102]15[97] / 5[98] / 15[99]
R5High Density Multiple Dwellingres_mf——[106]——217.8[107][{'variant': 'studio', 'value': 1}, {'variant': '1BR', 'value': 1.5}, {'variant': '2BR+', 'value': 2}][108]15[103] / 5[104] / 15[105]
RAS3Residential/Accessory Services (R3 scale)res_mf5,000 sf[112]—[113]————[114]10[109] / 5[110] / 15[111]
RAS4Residential/Accessory Services (R4 scale)res_mf5,000 sf[118]—[119]————[120]10[115] / 5[116] / 15[117]
C1Limited Commercialcom5,000 sf[124]—[125]——[126]——[127]10[121] / 5[122] / 15[123]
C2Commercialcom5,000 sf[131]75 ft[132]—1.5[133]——[134]10[128] / 5[129] / 15[130]
CMCommercial Manufacturingcom5,000 sf[138]—[139]——[140]——[141]10[135] / 0[136] / 0[137]
C4Commercialcom5,000 sf[145]—[146]——[147]——[148]10[142] / 5[143] / 15[144]
C5Commercialcom5,000 sf[152]—[153]——[154]——[155]10[149] / 5[150] / 15[151]
M1Limited Industrialind5,000 sf[159]—[160]——[161]——[162]0[156] / 0[157] / 0[158]
M2Light Industrialind5,000 sf[166]—[167]——[168]——[169]0[163] / 0[164] / 0[165]
M3Heavy Industrialind5,000 sf[173]—[174]——[175]——[176]0[170] / 0[171] / 0[172]

Confidence: confirmed partial under review not found

Overlays

HPOZ
Historic Preservation Overlay Zones
SPEC
LAMC Article 2 (Historic Preservation); 30+ HPOZs citywide

Parcels within designated HPOZ boundaries — Hancock Park, Larchmont, Carthay Circle, Angelino Heights, Leimert Park, West Adams, Spaulding Square, Highland Park-Garvanza, Windsor Square, Miracle Mile North, Van Nuys, and ~25 others. Designated by City Council ordinance on a per-district basis. Suffix appears in zone string as e.g., R1-1-HPOZ.

certificate_of_appropriateness_required1[177]
ab2097_parking_reduction_available0[178]
sb9_excluded1[179]
density_bonus_concessions_limited1[180]
review_authorityPreservation Review Board + Planning Department[181]
CPIO
Community Plan Implementation Overlays
SPD
Per adopted community plan; LAMC §13.14 (CPIO procedures); Downtown CPIO adopted Jan 2025 operative with Chapter 1A

Parcels within adopted community plan areas with CPIO implementation — Downtown, Exposition Corridor, West Adams-Baldwin Hills-Leimert, Cornfield Arroyo Seco, others. 35 community plan areas citywide; not all have CPIOs.

community_benefits_bonusesaffordable housing / open space / community facilities → height and/or density bonuses[182]
area_specific_design_standards1[183]
subarea_standardsvaries by community plan
review_authorityCity Planning Department[184]
CDO
Community Design Overlay
SPEC
LAMC §13.08; 40+ CDOs citywide

Commercial corridors adjacent to residential neighborhoods — Highland Park (Figueroa), Mid-City (Pico/Crenshaw), Sherman Oaks (Ventura Blvd), Studio City (Ventura Blvd), Eagle Rock (Colorado Blvd), Larchmont Village, others. Designated by ordinance.

enhanced_design_standards_commercial1[185]
pedestrian_orientation_required1[186]
architectural_review1[187]
review_authorityCity Planning Department[188]
H
Hillside Area
ENV
LAMC §12.21 A.17 and §12.21 C.10 (Baseline Hillside Ordinance / BHO)

Parcels mapped within designated Hillside Areas (slope ≥15% or Hillside Area as designated in LAMC §12.03). Includes much of the Santa Monica Mountains foothills (Hollywood Hills, Laurel Canyon, Beachwood, Bel Air, Brentwood, Pacific Palisades non-coastal, Encino Hills, Sherman Oaks Hills, Studio City Hills, Mt. Washington, Silver Lake, Echo Park hills, Glassell Park, Highland Park, Eagle Rock hills).

slope_band_rfar_method1[189]
max_height_ft_hillside36[190]
height_measured_from_natural_grade1[191]
grading_restrictionsexport limits + retaining wall limits[192]
sb9_excludedconditional[193]
CZ
Coastal Zone
ENV
California Coastal Act of 1976 (PRC §30000 et seq.) + LA Local Coastal Programs (Pacific Palisades, Venice, Playa del Rey segments) + LAMC §12.20.2

Parcels within California Coastal Zone boundary mapped by CA Coastal Commission — Pacific Palisades (shoreline segment), Venice, Playa Del Rey, San Pedro (Port-adjacent non-Port areas). Excludes Harbor District (under Port of LA jurisdiction). Boundary per CCC mapping.

coastal_development_permit_required1[194]
review_authorityCity (certified LCP areas — Venice, San Pedro) or Coastal Commission (uncertified — Pacific Palisades segment)[195]
height_cap_non_hillside45[196]
far_not_rfar1[197]
sb9_excluded1[198]
public_access_requirementslateral + vertical access preserved per Coastal Act[199]
additional_processing_time_weeks6-12
SP
Specific Plans
SPD
LAMC §11.5.7 (Specific Plan procedures); individually adopted specific plans by ordinance

Parcels within adopted specific plan boundaries — Century City North + South, Playa Vista Phase I + II, Exposition Corridor, Warner Center 2035, Ventura/Cahuenga Corridor, Coastal Transportation Corridor, Port of LA Community Plan, Los Angeles International Airport (LAX), Oxford Triangle, Granada Hills, Vermont/Western Station Neighborhood Area Plan, Central City West, numerous others (40+ specific plans).

custom_height_far_setback1[200]
supersedes_base_district1[201]
review_authorityCity Planning Department + per-plan procedures[202]
examples_majorWarner Center 2035 (Woodland Hills skyline), Century City (towers + OCS), Playa Vista (Ballona mixed-use), Exposition Corridor (A Line TOD), LAX (airport uses)
K
Equinekeeping
SPEC
LAMC §13.05 (Equinekeeping 'K' Supplemental Use District)

Designated equinekeeping zones — Sullivan Canyon, Mandeville Canyon, Riviera section of Pacific Palisades, Sunset Mesa, Shadow Hills, Sunland-Tujunga, Chatsworth, West Hills. K suffix in zone string.

equestrian_uses_allowed1[203]
stable_setback_residential_ft35[204]
corral_setback_ft25[205]
overrides_base_residential_setbacks1[206]
AHA
Airport Hazard / Airport Influence Area
SPEC
FAA Part 77 + LA County ALUC CLUP (LAX, Van Nuys, Whiteman, Hawthorne) + LAMC zoning setbacks

Parcels within airport influence areas and Part 77 surfaces near LAX, Van Nuys Airport, Whiteman Airport, and proximate to Hawthorne Municipal + Santa Monica Municipal (affecting westside parcels). LAX impacts significant swaths of Westchester, Playa del Rey, Lennox-adjacent areas, plus CNEL 65+ contours.

part_77_surfaces_control1[207]
aluc_clup_review1[208]
cnel_noise_attenuation65[209]
lax_specific_plan_overrides1[210]

State preemptions

CA-ADU-GC§66411.7-66411.8applies
Qualifying condition
All CA cities. LA R1, RS, RE, RA, R2, RD-series, R3, R4, R5, RAS3, RAS4 districts must permit ADUs by-right per state law. Los Angeles implements via LAMC §12.22 A.33 (ADU provisions). Coastal Zone parcels still require CDP but cannot be denied ADU ministerial status beyond CDP review. HPOZ parcels retain Certificate of Appropriateness layer but ADU by-right status preserved. | title=Accessory Dwelling Units / JADUs ; effect_on_city=Ministerial approval with 60-day shot clock; up to 1,200 sf detached ADUs; up to 500 sf JADUs; no owner-occupancy requirement (statute sunset verified); up to 8 ADUs on qualifying multifamily lots under SB 1211 (effective 2025-01-01). Preempts any LAMC §12.22 A.33 provision imposing minimum lot size, owner-occupancy beyond statute, or parking within ½ mi of major transit stop / historic district / existing-structure ADU. Motion-picture studio-adjacent zones not exempted.
CA-SB9-GC§65852.21-66411.7applies
Qualifying condition
Los Angeles is a CA charter city. SB 9 applies per-parcel conditional on exclusions. LA has substantial SB 9 exclusions: (1) Coastal Zone (Pacific Palisades, Venice, Playa del Rey, San Pedro shoreline) excluded per GC §65852.21(a)(2)(B); (2) 30+ designated HPOZs excluded per GC §65852.21(a)(2)(C); (3) CalFire Very High Fire Hazard Severity Zone (VHFHSZ) covers most of Santa Monica Mountains hillsides (Hollywood Hills, Bel Air, Beverly Crest, Brentwood hills, Encino Hills, Tarzana, West Hills, Sunland-Tujunga, Granada Hills) — SB 9 excluded per GC §65852.21(a)(2)(A); (4) FEMA SFHA along LA River and tributaries excluded per-parcel; (5) conservation easements and habitat overlays excluded. Practical SB 9 reach is limited to flat-inland R1 areas outside HPOZs (much of the San Fernando Valley flats, parts of Northeast LA outside historic districts, portions of South LA, Westchester flats). | title=SB 9 — California HOME Act (Lot Splits + Duplex Conversion) ; effect_on_city=Ministerial up-to-4-units on qualifying R1 (and equivalent SF) parcels (lot split + duplex on each resulting lot) OUTSIDE Coastal Zone, OUTSIDE HPOZs, OUTSIDE VHFHSZ hillsides. City cannot require lot size >40% of original, setback >4 ft side/rear, or FAR <0.8 on resulting lots. SB 450 (2024) strengthens ministerial procedural limits effective 2024-07-01. Major portions of LA (hillsides + coastal + historic districts) remain excluded — SB 9 produces less pipeline than in non-hillside non-coastal CA cities. ; per_parcel_conditional=True ; exclusions=['Coastal Zone (major — Pacific Palisades, Venice, Playa del Rey, San Pedro shoreline)', '30+ designated HPOZs (Hancock Park, Larchmont, Carthay Circle, Angelino Heights, Leimert Park, West Adams, etc.)', 'CalFire VHFHSZ (Santa Monica Mountains hillsides, most hillside R1 areas)', 'FEMA SFHA (LA River / tributaries per-parcel)', 'habitat conservation overlays']
CA-DensityBonus-GC§65915applies
Qualifying condition
Statewide. Applies to any LA project meeting affordability thresholds (5% VLI, 10% LI, 10% moderate for-sale, or 100% affordable). AB 1287 (2023) allows stacking to achieve up to 100% density bonus. Applies across R3, R4, R5, RAS3, RAS4, RD-series + any mixed-use commercial components. Transit Oriented Communities (TOC) program provides additional LA-specific bonuses layered on top of state law (Measure JJJ 2016). | title=State Density Bonus Law + AB 1287 (2023) ; effect_on_city=Up to 100% density bonus (AB 1287 stacked) on R3/R4/R5/RAS3/RAS4/RD-series residential components. Can waive base `du_ac` maxima (via `min_lot_area_per_du` reduction), `max_height_ft`, and base setbacks as concessions/incentives (1 per 10% VLI, 2 per 20%, 3 per 30%). State §65915(p) parking ratios (0.5 studios/1BR; 1.0 for 2-3BR; 1.5 for 4+BR) preempt LAMC §12.21 A.4 on affordable components. Within ½ mi of major transit, parking is 0. LA TOC program (Tiers 1-4) may stack additional incentives — developers may choose state Density Bonus or TOC (not both for same concession).
CA-AB2097applies
Qualifying condition
Los Angeles is served by LA Metro Rail (A Line, B Line, C Line, D Line, E Line, K Line) with 93+ stations citywide. Letter-designation system adopted 2019-2020: A Line (formerly Blue Line, Downtown LB to APU/Citrus), B Line (formerly Red Line, Union Station to North Hollywood), C Line (formerly Green Line, Redondo Beach to Norwalk via Aviation/LAX), D Line (formerly Purple Line, Union Station to Wilshire/Western, under extension to Westwood), E Line (formerly Expo Line, Downtown Santa Monica to Downtown LA), K Line (Crenshaw/LAX Line, Expo/Crenshaw to Aviation/LAX, opened 2022, extending to LAX People Mover). Metrolink commuter rail adds Union Station access. LA Metro high-frequency bus network (Line 2/4/16/20/30/40/45/51/105/204/207/754/757/794 Rapid + Metro Rapid) includes many 15-min-peak-headway corridors. Qualifying stops per PRC §21064.3 — major transit stop = rail/BRT or intersection of two 15-min-headway bus lines. Practical coverage: more than half of LA's developed land is within ½ mi of a major transit stop. | title=AB 2097 — Parking Mandate Elimination Near Transit ; effect_on_city=No minimum parking may be required for residential, commercial, or mixed-use within ½ mile of any Metro rail station (A/B/C/D/E/K lines), Metrolink station, or qualifying high-frequency bus intersection. Preempts LAMC §12.21 A.4 parking ratios within buffer. Effectively eliminates parking minimums across Downtown, Hollywood, Koreatown, Mid-City, East Hollywood, North Hollywood, Culver City-adjacent areas, Crenshaw corridor, South LA, Exposition Corridor, much of the Eastside. HPOZs are EXEMPT from AB 2097 (statute carve-out for historic districts).
CA-SB423-GC§65913.4applies
Qualifying condition
SB 423 applies to sites zoned residential or mixed-use in cities not meeting RHNA (or HCD-non-compliant). Los Angeles is under 6th-cycle RHNA (2021–2029, SCAG region, allocation 456,643 units — largest in the state). Whether LA is SB 423-eligible at the 10% or 50% affordability trigger depends on HCD's Annual Progress Report determination. Applies to R3, R4, R5, RAS3, RAS4, RD-series, and mixed-use C-series + specific plan components. Coastal Zone parcels excluded; VHFHSZ hillsides excluded; HPOZ parcels excluded; sites with recent tenant displacement (Ellis Act / RSO) excluded. | title=SB 423 — Streamlined Ministerial Multifamily Approval (extends SB 35, 2024–2036) ; effect_on_city=If eligible at 10%: ministerial by-right approval for qualifying multifamily with ≥10% LI rental / moderate for-sale affordable. If eligible at 50%: 50%+ affordable bypasses design review (except Coastal Zone CDP review remains; HPOZ COA remains). Prevailing wage / skilled-and-trained workforce requirements apply for 10+ unit projects. ; search_performed=HCD Annual Progress Report / SB 423 tier determination not fetched live in this pass (dashboard is JS-rendered). LA has historically been SB 35 / SB 423 eligible at 10% tier given RHNA shortfalls. ; source_url=https://data.ca.gov/dataset/sb-35-data ; source_type=primary_dataset ; source_accessed=2026-04-19
Retrieval issue
HCD APR dashboard is JS-rendered and not fetchable within budget. LA 6th-cycle RHNA of 456,643 units is by far the largest in the state; APR progress should be checked per project. Current expectation: SB 423 is live at 10% tier for LA as of 2026 Q1.
CA-AB2011-GC§65912.100applies
Qualifying condition
Los Angeles has commercially-zoned parcels along defined corridors (Wilshire Blvd, Sunset Blvd, Santa Monica Blvd, Hollywood Blvd, Vermont Ave, Western Ave, Pico Blvd, Olympic Blvd, La Brea Ave, Fairfax Ave, Crenshaw Blvd, Figueroa St, Ventura Blvd, Lankershim Blvd, Van Nuys Blvd, Sepulveda Blvd, Reseda Blvd, dozens more) that qualify as 'commercial corridors' under AB 2011. 100% affordable projects by-right on any commercial site; mixed-income by-right on corridor sites (excluding industrial-only and office-only zones). | title=AB 2011 — Affordable Housing and High Road Jobs Act ; effect_on_city=Ministerial approval for qualifying multifamily on commercial corridor sites. 100% affordable bypasses discretionary review. Minimum density cannot be less than LA's default density for the area. Overlaps with SB 423 — developers choose pathway. Pairs with TOC incentives where applicable. Port of LA industrial zones — AB 2011 does not apply (industrial-only carve-out). Prevailing wage required.
CA-BuildersRemedy-GC§65589.5(d)(5)applies
Qualifying condition
Los Angeles adopted its 6th-cycle Housing Element (2021–2029) for SCAG region with HCD certification after initial rejection. Current certification status must be verified on HCD's Housing Element Compliance Report dashboard before each project submission. LA is a charter city with 456,643-unit RHNA — the most aggressive in the state. AB 1893 (2024) codified procedural requirements. | title=Builder's Remedy (Housing Accountability Act) ; effect_on_city=Contingent. If Housing Element non-certified at time of application: projects with 20% LI or 100% moderate-income bypass all local zoning (height, density, FAR, use, setbacks) — except Coastal Act, HPOZ historic review, and Hillside/VHFHSZ safety overlays remain applicable. City may only deny based on preponderance-of-evidence health/safety findings. If certified: Builder's Remedy is dormant for that cycle. ; search_performed=HCD Housing Element Compliance dashboard not retrieved live (JS-rendered). LA received initial HCD certification for 6th-cycle Housing Element but has been subject to ongoing review and amendment pressure. ; source_url=https://data.ca.gov/dataset/housing-element-compliance-report ; source_type=primary_dataset ; source_accessed=2026-04-19
Retrieval issue
HCD compliance dashboard is JS-rendered and was not fetched within budget. LA's 456,643-unit RHNA is the state's largest; certification status fluctuates with APR cycles.
Non-applicable laws (1)
CA-SB10under_review
Qualifying condition
SB 10 is permissive — it authorizes but does not require cities to zone up to 10 units/parcel near transit or urban infill via simple resolution (CEQA-exempt). No evidence LA has adopted a citywide SB 10 resolution; city has instead pursued TOC, re:code LA Downtown Chapter 1A, and rezonings through Housing Element implementation packages (HE-IPs). | title=SB 10 — Local Upzoning Authorization ; effect_on_city=None unless/until Los Angeles adopts an SB 10 resolution.

Adopted building codes

Statewide mandatory minimum

IBC
2024 CBC
IRC
2024 CRC
NEC
2023
IFC
2024
IECC (Residential)
2024 CALGreen
IECC (Commercial)
2024 CALGreen

Click a code label to open its state-by-state adoption atlas.

Quirks & notes

  • Dual-code system — Chapter 1 (adopted 1946) governs all community plan areas except Downtown; Chapter 1A (New Zoning Code, re:code LA) operative 2025-01-01 governs Downtown Community Plan Area. Two parallel zoning systems operating simultaneously. Rest of city awaits rollout. c Planning Dept.
  • Zoning string complexity — must be parsed as [Prefix][Zone Class][Height District][D Limits][Overlays]. Example: '[Q]R4-1-HPOZ' = Qualified R4 in Height District 1 with HPOZ overlay. ZIMAS (zimas.lacity.org) is the authoritative parcel-level decoder. c§12.04
  • RD zones encode lot area per DU in thousands — density-inverse naming: RD6 = less dense than RD2 (6,000 sf/DU vs 2,000 sf/DU). Counterintuitive relative to most CA cities. c§12.09.1
  • R1 Variation Zones (R1V, R1F, R1R, R1H) are NOT in any Height District — own separate height/RFAR tables in LAMC §12.08 C.5. c§12.08 C.5
  • RFAR vs FAR — LA uses two separate floor area ratio measures. RFAR (Residential FAR) governs non-coastal SF/MF residential in HD-1/1L/1VL/1XL/1SS only. Coastal Zone properties are subject to FAR (not RFAR). HD-2/3/4 use FAR throughout. c§12.21.1
  • Height District prevailing-height rule — if ≥40% of frontage on block exceeds zone max height, block max may equal average of those exceeding heights. Enables taller buildings on already-tall blocks. c§12.21.1
  • Height District prevailing-setback rule — if ≥40% of frontage on developed block has consistent front setbacks, new construction conforms to that setback (can be more or less than zone-default). c§12.07 / §12.08
  • HPOZs NOT subject to AB 2097 parking elimination — state statute exempts designated historic districts. HPOZ parcels retain LAMC parking minimums. c GC §65863.2 + LAMC Art. 2
  • Motion-picture studio stages in C2 may reach 125 ft (vs 75 ft C2 default HD-1) with additional setbacks — LA-specific provision reflecting entertainment industry. c§12.21.1 B.1
  • Transit Oriented Communities (TOC) Program — Measure JJJ (2016) layers LA-specific density/FAR/setback bonuses on state Density Bonus. 4 tiers based on proximity to major transit. Can stack with AB 2097 but not with same state Density Bonus concession. c LAMC Ord. 185633 (2017)
  • R1 2024 reforms — first 100 sf of ceilings >14 ft counted toward RFAR; 250 sf porch exemption eliminated; garage exemption reduced 400→200 sf. c R1 Amendment Ord. 2024
  • Wildlife District Ordinance shelved (July 2025) — proposed very restrictive development standards in wildlife-interface areas; shelved after budget cuts eliminated the responsible Planning Department unit. Not currently in effect. c Planning Dept. 2025
  • re:code LA — first comprehensive LAMC rewrite since 1946; Downtown is the pilot area on Chapter 1A (operative 2025-01-01). Citywide rollout phased by community plan area over multiple years. Same-parcel dual-citation possible during transition. c re:code LA Initiative
  • ZIMAS (zimas.lacity.org) is the authoritative parcel-level zoning lookup — required for any site-specific zoning determination. Flat municipal code text alone does not resolve the combined [Prefix][Zone][HD][D][Overlays] string without ZIMAS. c Planning Dept.
  • Hillside Areas (H suffix) use slope-band RFAR method — steeper slopes receive progressively lower RFAR. Separate from basic R-zone RFAR table. 36 ft (or 45 ft per §12.21 A.17) max height. c§12.21 C.10
  • Coastal Zone non-hillside residential uses FAR (not RFAR) — unique interaction where Coastal Zone overrides the RFAR/FAR distinction and caps non-hillside residential at 45 ft. c§12.21.1
  • LA Metro line letter-designation rebrand (2019-2020) — Blue Line → A Line (Long Beach to Azusa); Red Line → B Line (Union Station to North Hollywood); Purple Line → D Line (Union Station to Wilshire/Western, extending to Westwood); Expo Line → E Line (Santa Monica to Downtown LA); Green Line → C Line (Redondo Beach to Norwalk); K Line new (Crenshaw/LAX, opened 2022). Use current letter designations in all AB 2097 and TOC analyses. Compton profile error from Wave 1 (obsolete Blue/Green names) must not recur for LA.
  • Specific Plans (SP) are numerous (40+) and override base district standards in their areas — Warner Center 2035, Century City, Playa Vista, Exposition Corridor, LAX, Port of LA, Ventura/Cahuenga Corridor, Coastal Transportation Corridor, Downtown (pre-Chapter 1A). Always check ZIMAS for SP overlay before assuming base district standards apply. c§11.5.7

Formulas

Definitions

height
Grade to highest point of structure, with sloped-roof / flat-roof rules and 33/28 ft threshold at 25% pitch per LAMC §12.21.1
lot_coverage
Building footprint / lot area
far
Gross floor area / lot area (commercial/HD-2/3/4 general)
rfar
Residential Floor Area Ratio — separate metric applied to SF/MF residential in HD-1, 1L, 1VL, 1XL, 1SS per LAMC §12.21.1 and §12.07.01 / §12.08 / §12.09
du_ac
Dwelling units per gross acre; implied from min lot area per DU (RD/R3/R4/R5 = 43,560 / per-DU-lot-area)
setback_front
Front property line to nearest building face; prevailing-setback rule applies on developed blocks with ≥40% frontage
setback_side
Side property line to nearest building face; 10% lot width minimum typical for R1
setback_rear
Rear property line to nearest building face
parking
Spaces per dwelling unit unless noted; AB 2097 eliminates minimums within ½ mile of major transit stop
prevailing_height_rule
If ≥40% of frontage on block exceeds zone max height, block max may equal average of those exceeding heights per LAMC §12.21.1

Capacity calculations

max_footprint_sf
lot_area_sf * lot_coverage
max_gfa_sf_residential
lot_area_sf * rfar (HD-1/1L/1VL/1XL/1SS residential) OR lot_area_sf * far (HD-2/3/4 and Chapter 1A Downtown)
max_gfa_sf_commercial
lot_area_sf * far (per Height District — HD-1=1.5, HD-1L=1.0, HD-1VL=0.5, HD-1XL=0.5, HD-1SS=0.5, HD-2=6.0, HD-3=10.0, HD-4=13.0)
max_units_from_density
lot_area_sf / min_lot_area_per_du
buildable_width_ft
lot_width_ft - setback_side_ft * 2
buildable_depth_ft
lot_depth_ft - setback_front_ft - setback_rear_ft
max_stories_approx
max_height_ft / 10

Massing explorer

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Sources & references

Primary source
LAMC Chapter 1 + Chapter 1A
Chapter 1 base + amendments through Q1 2026; Chapter 1A Downtown new zoning operative 2025-01-01 · retrieved 2026-04-19
Citations
  1. [1] §12.07
  2. [2] §12.07
  3. [3] §12.07
  4. [4] §12.07
  5. [5] §12.21.1
  6. [6] n
  7. [7] n
  8. [8] §12.21 A.4
  9. [9] §12.07.01
  10. [10] §12.07.01
  11. [11] §12.07.01
  12. [12] §12.07.01
  13. [13] §12.21.1
  14. [14] n
  15. [15] n
  16. [16] §12.21 A.4
  17. [17] §12.07.01
  18. [18] §12.07.01
  19. [19] §12.07.01
  20. [20] §12.07.01
  21. [21] §12.21.1
  22. [22] n
  23. [23] n
  24. [24] §12.21 A.4
  25. [25] §12.07.01
  26. [26] §12.07.01
  27. [27] §12.07.01
  28. [28] §12.07.01
  29. [29] §12.21.1
  30. [30] §12.21 A.4
  31. [31] §12.07.01
  32. [32] §12.07.01
  33. [33] §12.07.01
  34. [34] §12.07.01
  35. [35] §12.21.1
  36. [36] §12.21 A.4
  37. [37] §12.07.01
  38. [38] §12.07.01
  39. [39] §12.07.01
  40. [40] §12.07.01
  41. [41] §12.21.1
  42. [42] §12.21 A.4
  43. [43] §12.08
  44. [44] §12.08
  45. [45] §12.08
  46. [46] §12.08
  47. [47] §12.21.1
  48. [48] §12.21 A.4
  49. [49] §12.08
  50. [50] §12.08
  51. [51] §12.08
  52. [52] §12.08
  53. [53] §12.21.1
  54. [54] §12.21 A.4
  55. [55] §12.09.1
  56. [56] §12.09.1
  57. [57] §12.09.1
  58. [58] §12.21.1
  59. [59] §12.09.1
  60. [60] §12.21 A.4
  61. [61] §12.09.1
  62. [62] §12.09.1
  63. [63] §12.09.1
  64. [64] §12.21.1
  65. [65] §12.09.1
  66. [66] §12.21 A.4
  67. [67] §12.09.1
  68. [68] §12.09.1
  69. [69] §12.09.1
  70. [70] §12.21.1
  71. [71] §12.09.1
  72. [72] §12.21 A.4
  73. [73] §12.09.1
  74. [74] §12.09.1
  75. [75] §12.09.1
  76. [76] §12.21.1
  77. [77] §12.09.1
  78. [78] §12.21 A.4
  79. [79] §12.09.1
  80. [80] §12.09.1
  81. [81] §12.09.1
  82. [82] §12.21.1
  83. [83] §12.09.1
  84. [84] §12.21 A.4
  85. [85] §12.09.1
  86. [86] §12.09.1
  87. [87] §12.09.1
  88. [88] §12.21.1
  89. [89] §12.09.1
  90. [90] §12.21 A.4
  91. [91] §12.10
  92. [92] §12.10
  93. [93] §12.10
  94. [94] §12.21.1
  95. [95] §12.10
  96. [96] §12.21 A.4
  97. [97] §12.11
  98. [98] §12.11
  99. [99] §12.11
  100. [100] n
  101. [101] §12.11
  102. [102] §12.21 A.4
  103. [103] §12.12
  104. [104] §12.12
  105. [105] §12.12
  106. [106] n
  107. [107] §12.12
  108. [108] §12.21 A.4
  109. [109] §12.10.5
  110. [110] §12.10.5
  111. [111] §12.10.5
  112. [112] §12.10.5
  113. [113] n
  114. [114] §12.21 A.4
  115. [115] §12.11.5
  116. [116] §12.11.5
  117. [117] §12.11.5
  118. [118] §12.11.5
  119. [119] n
  120. [120] §12.21 A.4
  121. [121] §12.13
  122. [122] §12.13
  123. [123] §12.13
  124. [124] §12.13
  125. [125] n
  126. [126] n
  127. [127] §12.21 A.4
  128. [128] §12.14
  129. [129] §12.14
  130. [130] §12.14
  131. [131] §12.14
  132. [132] §12.21.1
  133. [133] §12.21.1
  134. [134] §12.21 A.4
  135. [135] §12.17
  136. [136] §12.17
  137. [137] §12.17
  138. [138] §12.17
  139. [139] n
  140. [140] n
  141. [141] §12.21 A.4
  142. [142] §12.16
  143. [143] §12.16
  144. [144] §12.16
  145. [145] §12.16
  146. [146] n
  147. [147] n
  148. [148] §12.21 A.4
  149. [149] §12.15
  150. [150] §12.15
  151. [151] §12.15
  152. [152] §12.15
  153. [153] n
  154. [154] n
  155. [155] §12.21 A.4
  156. [156] §12.17.5
  157. [157] §12.17.5
  158. [158] §12.17.5
  159. [159] §12.17.5
  160. [160] n
  161. [161] n
  162. [162] §12.21 A.4
  163. [163] §12.18
  164. [164] §12.18
  165. [165] §12.18
  166. [166] §12.18
  167. [167] n
  168. [168] n
  169. [169] §12.21 A.4
  170. [170] §12.19
  171. [171] §12.19
  172. [172] §12.19
  173. [173] §12.19
  174. [174] n
  175. [175] n
  176. [176] §12.21 A.4
  177. [177] LAMC Art. 2
  178. [178] GC §65863.2
  179. [179] GC §65852.21(a)(2)(C)
  180. [180] LAMC Art. 2
  181. [181] LAMC Art. 2
  182. [182] LAMC §13.14
  183. [183] LAMC §13.14
  184. [184] LAMC §13.14
  185. [185] LAMC §13.08
  186. [186] LAMC §13.08
  187. [187] LAMC §13.08
  188. [188] LAMC §13.08
  189. [189] §12.21 C.10
  190. [190] §12.21 A.17
  191. [191] §12.21 A.17
  192. [192] §12.21 C.10
  193. [193] GC §65852.21
  194. [194] PRC §30600 + §12.20.2
  195. [195] PRC §30600
  196. [196] §12.21.1
  197. [197] §12.21.1
  198. [198] GC §65852.21(a)(2)(B)
  199. [199] PRC §30210-30214
  200. [200] LAMC §11.5.7
  201. [201] LAMC §11.5.7
  202. [202] LAMC §11.5.7
  203. [203] LAMC §13.05
  204. [204] LAMC §13.05
  205. [205] LAMC §13.05
  206. [206] LAMC §13.05
  207. [207] 14 CFR Part 77
  208. [208] Cal PUC §21675
  209. [209] Title 24 / LAMC
  210. [210] LAX Specific Plan

Research status

Publication gates

primary url presentpassedcode_source = https://planning.lacity.gov/zoning/existing-code; source.primary_url = https://planning.lacity.gov/zoning/existing-code; fallback at codelibrary.amlegal.com/codes/los_angeles; CP-7150 summary linked; ZIMAS parcel lookup linked. planning.lacity.gov is the city-authoritative portal for LAMC zoning; amlegal.com is the contracted codifier. Neither is an aggregator-only domain.
no aggregator citedpassedRecord scan found no SitePlanCreator/SitePlanGuide/Zoneomics/Steadily/Propwire/Zonara references. All citations point to LAMC §-references (§12.07 / §12.08 / §12.09.1 / §12.10 / §12.11 / §12.12 / §12.13 / §12.14 / §12.21 / §12.21.1 / §12.20.2 / §12.22 / §13.05 / §13.08 / §13.14 / §11.5.7 / Art. 2), California Government Code (§65915, §65852.21, §65913.4, §65912.100, §65589.5, §65863.2, §66411.7, §66411.8), California Public Resources Code (§30000 et seq. Coastal Act), 14 CFR Part 77 (airport), CP-7150 (city-published digest), or city-published Planning Department materials.
confidence tags full formpassedAll confirmed claims carry c§X.XX form (e.g., c§12.07, c§12.08, c§12.09.1, c§12.21.1, c§12.20.2, c§12.22, c§13.05, c§13.08, c§13.14, c§11.5.7, c Art. 2) or GC §-references / PRC §-references for state-law entries. No bare [confirmed] or `c: c` glyphs remain in data. Partial claims carry p§ tokens with search_performed + retrieval_failure_reason narratives. Inferred/null values carry n/null tokens with explicit note about Height District dependency.
overlays have parameters trigger confidencepassed8/8 overlays have non-empty parameters object (≥3 keys each), explicit geographic_trigger string, status, and citation. 7/8 status=confirmed (HPOZ, CPIO, CDO, Hillside, Coastal Zone, Specific Plans, Equinekeeping); 1/8 status=partial (Airport Hazard/AIA with search_performed + retrieval_failure_reason). All overlays carry base_interaction describing layered/additive/override semantics.
preempt section city specificpassedstate_preemptions_applicable[] contains 8 per-law CA entries (ADU, SB 9, Density Bonus/AB 1287, AB 2097, SB 423, AB 2011, Builder's Remedy, SB 10). Each has qualifying_condition_checked narrative specific to Los Angeles (30+ HPOZs, Coastal Zone geography, VHFHSZ hillsides, 6th-cycle RHNA 456,643 units largest in state, A/B/C/D/E/K Metro lines with 93+ stations, commercial corridor list, TOC program Measure JJJ interaction, Ellis Act/RSO exclusion notes). Each has effect_on_city statement and citation. Not a link-stub; legacy state_preemptions path retained for backwards compatibility but not the primary data source. Under-review entries (SB 423, Builder's Remedy) carry paired search_performed + retrieval_failure_reason per discipline.

Data quality

55%completeness62 confirmed12 partial
Documented gaps
  • R1 Variation Zone tables (R1V, R1F, R1R, R1H) dimensional standards not retrieved live — §12.08 C.5 table lookup needed for full variation-specific values
  • Per-Height-District C1/C4/C5/CM/M1/M2/M3 height and FAR table not populated per-zone per-HD (pattern deferred to height_districts[] and per-district notes)
  • Specific Plan individual dimensional tables not enumerated (Warner Center 2035, Century City, Playa Vista, LAX, Port of LA, etc. — 40+ SPs; each has custom tables)
  • Chapter 1A (Downtown DCP) new-zone dimensional tables not enumerated — Chapter 1 framework retained as citywide standard
  • TOC (Transit Oriented Communities) Tier 1-4 specific incentive matrix not enumerated — Measure JJJ 2016 ordinance chapter not pulled live
  • HPOZ individual district boundaries and design guidelines not enumerated (30+ HPOZs)
  • CPIO area-specific parameters (Downtown CPIO, West Adams-Baldwin Hills-Leimert CPIO, Exposition Corridor CPIO) not enumerated per-CPIO
  • CDO individual design standards per 40+ CDOs not enumerated
  • Hillside Area slope-band RFAR ladder not populated (§12.21 C.10 table)
  • LAX Specific Plan CNEL contours and LA County ALUC CLUP AIA boundary GIS not retrieved
  • HCD Housing Element certification status for 6th-cycle (Builder's Remedy + SB 423 tier gating) not confirmed live
  • AB 2097 ½-mile buffer GIS not computed (over 93 rail stations + numerous bus intersections — requires GIS pass)
  • R1 2024 reform ordinance (RFAR calculation + porch/garage exemption changes) citation point-version not pulled live

Known issues

freshness:volatiledata:gaps-present

Verification

last_verified_at2026-04-19T00:00:00Z
verifier_specialistverification-pass
verifier_version1.0
verification_resultpassed
atomic_claims_checked71
atomic_claims_passed69
atomic_claims_failed0
atomic_claims_partial2
failed_claims
partial_claimsreason: HCD APR dashboard JS-rendered, not fetched; marked under_review per paired-field discipline; reason: HCD Housing Element Compliance dashboard JS-rendered, not fetched; marked under_review per paired-field discipline
narrative_refnarratives/los-angeles-ca/fleet-20260419T080340-9.json
metro_line_obsolescence_checknote: v1 profile and markdown did NOT contain Metro rail references (no obsolete names present). v2 adds current A/B/C/D/E/K Line terminology in AB 2097 preemption narrative and in quirks entry explicitly documenting the 2019-2020 letter-designation rebrand. Compton-style obsolete-name bug avoided.

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