Zoning › California › Los Angeles County › Gardena

Gardena, CA Zoning

9 districts. 4 overlays. 6 applicable state preemptions.

Overview

Worth knowing
  • v1 record misidentified the zoning code as 'Title 7'; the correct chapter is Title 18 of the Gardena Municipal Code (Municode). v1 §7.XX citations are not authoritative and have been downgraded to partial pending live re-verification.
  • Metro J Line (Silver Line) BRT along the I-110 Harbor Transitway — Rosecrans and Harbor Gateway Transit Center stations qualify Gardena parcels for AB 2097 (parking minimums eliminated) and strengthen any local TOD overlay in the same geography.
  • Dominguez Channel FEMA SFHA runs through western/southern Gardena, triggering floodplain controls and serving as a SB 9 per-parcel exclusion flag.

+ 3 more in Quirks & notes

Districts

res_mf 3com 3res_sf 1ind 1spec 1
CodeNameCategory Min lotHeight CoverageFAR Du/acParking Setbacks F/S/R
R-1Single-Family Residentialres_sf5,000 sf[4]35 ft[5]0.45[6]—8.7[7]2[8]25[1] / 5[2] / 20[3]
R-2Two-Family / Low-Density Multi-Family Residentialres_mf7,500 sf[12]40 ft[13]0.5[14]—7.8[15]1.5[16]20[9] / 5[10] / 15[11]
R-3Medium-Density Multi-Family Residentialres_mf—[20]50 ft[21]0.6[22]1[23]21.8[24]1.5[25]20[17] / 5[18] / 15[19]
R-4High-Density Multi-Family Residentialres_mf—[29]65 ft[30]0.7[31]1.75[32]43.6[33]—15[26] / 5[27] / 15[28]
C-1Neighborhood Commercialcom10,000 sf[37]45 ft[38]0.7[39]0.88[40]—3.5[41]15[34] / 2.5[35] / 12.5[36]
C-2Community Commercialcom10,000 sf[45]55 ft[46]0.75[47]1.25[48]—3.5[49]15[42] / 0[43] / 12.5[44]
C-3General Commercialcom15,000 sf[53]65 ft[54]0.8[55]2[56]—2[57]20[50] / 10[51] / 15[52]
M-1Light Manufacturingind15,000 sf[61]50 ft[62]0.65[63]0.95[64]——20[58] / 10[59] / 15[60]
PDPlanned Developmentspec—[65]75 ft[66]————— / — / —

Confidence: confirmed partial under review not found

Overlays

ACSP
Gardena Artesia Corridor Specific Plan
COR
Gardena Artesia Corridor Specific Plan (adopted per GMC Title 18 specific-plan mechanism)

Artesia Boulevard commercial corridor across Gardena — the city's primary east-west retail/mixed-use spine; specific boundaries per Specific Plan map.

mixed_use_allowed1
ground_floor_active_userequired in designated segments
form_controlscorridor-specific setbacks, build-to lines, pedestrian-oriented frontage
reduced_parking1
WNMU
Western Avenue / Normandie Corridor Mixed-Use
SPEC
GMC Title 18 mixed-use corridor provisions

Western Avenue and Normandie Avenue commercial frontage segments — north-south commercial spines through central/east Gardena.

mixed_use_allowed1
height_increment_over_base_pct0.15
far_increment_over_base0.3
ground_floor_retail_required1
reduced_parking1
TOD
Transit-Oriented Development
TOD
GMC Title 18 TOD provisions

Areas within approximately 0.5 mile of qualifying transit stops. Gardena is served by the Metro J Line (Silver Line) BRT along the Harbor Transitway, plus GTrans local bus network; Metro J Line BRT stations along I-110 at Rosecrans and Harbor Gateway qualify as major transit stops under PRC §21064.3.

reduced_parking1
increased_density_allowed1
mixed_use_permitted1
ground_floor_commercial_encouraged1
FP
Floodplain Management (FEMA SFHA)
FP
GMC Title 18 floodplain provisions (per FEMA NFIP participation)

Parcels mapped within FEMA Special Flood Hazard Area — primarily the Dominguez Channel corridor and tributary drainages through western and southern Gardena per current FIRM panels.

base_flood_elevation_compliancerequired
lowest_floor_elevation_above_bfe_ft1[67]
substantial_improvement_threshold_pct50[68]
encroachments_in_floodwayprohibited without no-rise certification

State preemptions

CA-ADU-GC§66411.7-66411.8applies
Qualifying condition
All CA cities. Gardena's R-1/R-2/R-3/R-4 are all residential zones that must permit ADUs by-right per state law. Cannot require minimum lot size, cannot require owner-occupancy through 2025 sunset provisions. | title=Accessory Dwelling Units / JADUs ; effect_on_city=Overrides any GMC Title 18 provision that would prohibit ADUs or JADUs on residential parcels. One ADU and one JADU per single-family lot; additional ADUs permitted on multifamily lots per statute.
CA-SB9-GC§65852.21-66411.7applies
Qualifying condition
Gardena has SF-zoned parcels (R-1). SB 9 applies per-parcel conditional on: not in historic district (Gardena has no citywide designated historic district), not in a very-high fire hazard severity zone (Gardena is in LA Basin flatlands, not VHFHSZ), not in coastal zone (Gardena is ~5 mi inland from the Coastal Commission boundary, so coastal zone does not apply), and FEMA flood zone exclusion check per parcel. Dominguez Channel SFHA parcels may be SB 9 excluded on a per-parcel basis. | title=SB 9 — HOME Act (Lot Splits + Duplex Conversion) ; effect_on_city=Ministerial up-to-4 units on qualifying R-1 parcels via lot split + duplex on each resulting lot. City cannot require lot size >40% of original, setback >4 ft side/rear, or FAR <0.8 on resulting lots. ; per_parcel_conditional=True ; exclusions=['FEMA SFHA (per-parcel — Dominguez Channel corridor)', 'historic districts (none designated citywide)', 'coastal zone (N/A — Gardena is inland)', 'very high fire hazard severity zones (N/A for Gardena)']
CA-DensityBonus-GC§65915applies
Qualifying condition
Statewide. Applies to any Gardena project that meets affordability thresholds (5% VLI, 10% LI, 10% moderate for-sale, or 100% affordable). Applies across R-2, R-3, R-4, C-1/C-2/C-3 mixed-use, and Artesia Corridor / Western-Normandie Specific Plan sites. | title=State Density Bonus Law ; effect_on_city=Up to 80% density bonus on R-2/R-3/R-4 and qualifying commercial/mixed-use sites. Reduced parking per §65915(p) (0.5 studios/1-BR; 1.0 for 2-3 BR; 1.5 for 4+ BR on affordable component). 1–4 incentives/concessions depending on affordability tier.
CA-AB2097applies
Qualifying condition
Gardena is served by the Metro J Line (Silver Line) BRT along the I-110 Harbor Transitway, with stations at Rosecrans and Harbor Gateway Transit Center qualifying as major transit stops under PRC §21064.3. Additional Metro and GTrans bus corridors along Artesia Blvd, Western Ave, Normandie Ave, and Rosecrans Ave may independently qualify as major transit stops if they meet 15-min peak headway at qualifying intersections. | 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 a qualifying major transit stop. Parcels near the Harbor Gateway Transit Center and Rosecrans J Line station are covered. Overrides local TOD and Specific Plan minimum parking requirements where applicable.
CA-SB423-GC§65913.4applies
Qualifying condition
SB 423 applies to sites zoned residential or mixed-use in cities that have not met their RHNA share. Gardena's 6th-cycle RHNA allocation is in effect (2021–2029). Whether Gardena is currently SB 423-eligible at the 10% or 50% affordability trigger depends on HCD's Annual Progress Report determination. | title=SB 423 — Streamlined Ministerial Multifamily Approval (extends SB 35) ; effect_on_city=If eligible: ministerial by-right approval for projects with ≥10% affordable (50% for no-design-review). Prevailing wage / skilled-and-trained workforce applies for ≥10 unit projects. ; search_performed=HCD Annual Progress Report / SB 423 determination list not fetched live in this pass. ; tier=50% ; source_url=https://data.ca.gov/dataset/sb-35-data ; source_type=primary_dataset ; source_accessed=2026-04-19 ; evidence=Subject to SB 35/423 streamlined ministerial approval for qualifying projects ≥50% affordable ; hcd_data={'sb35_determination': {'jurisdiction': 'GARDENA', 'county': 'LOS ANGELES', 'planning_period_evaluated': 'Full 5th', 'rhna_total': '397', 'total_permits': '839', 'lower_pct_complete': '0.0%', 'above_mod_pct_complete': '453.2%', 'exempt_flag': 'No', '10pct_flag': 'No', '50pct_flag': 'Yes', 'tier': '50%', 'most_recent_apr_status': 'Successful'}}
Retrieval issue
HCD's APR dashboard is JS-rendered; requires Chrome MCP or cached PDF not available in current budget.
CA-AB2011-GC§65912.100applies
Qualifying condition
Gardena has commercial corridors — Artesia Blvd, Western Ave, Normandie Ave, Rosecrans Ave, Redondo Beach Blvd — that qualify as 'commercially-zoned parcels along corridors' under AB 2011. Commercial base districts C-1, C-2, C-3 are all potentially eligible (excluding M-1 industrial and any office-only zones). 100% affordable projects by-right on any commercial site; mixed-income by-right on corridor sites. | title=AB 2011 — Affordable Housing on Commercial Corridors ; effect_on_city=Ministerial approval for qualifying multifamily on C-1/C-2/C-3 corridor sites; 100% affordable bypasses standard discretionary review. Prevailing wage applies. Minimum density must not be less than jurisdiction's default density.
Non-applicable laws (2)
CA-BuildersRemedy-GC§65589.5(d)(5)applies
Qualifying condition
Gardena's 6th-cycle Housing Element (2021–2029) adoption and HCD certification status must be verified on HCD's Housing Element Compliance Report. If not currently certified, Builder's Remedy is live and developers may propose projects with ≥20% LI affordable (or 100% moderate-income) bypassing all local zoning. | title=Builder's Remedy ; effect_on_city=Contingent. If Housing Element is non-certified, projects with 20% LI or 100% moderate-income bypass local zoning (height, density, FAR, use). If certified, Builder's Remedy is dormant. ; search_performed=HCD Housing Element Compliance dashboard not retrieved live; cityofgardena.org Community Development page not fetched live in this pass. ; source_url=https://data.ca.gov/dataset/housing-element-compliance-report ; source_type=primary_dataset ; source_accessed=2026-04-19 ; evidence=Housing element certified compliant — not subject ; hcd_data={'housing_element': {'jurisdiction': 'GARDENA', 'county': 'Los Angeles', 'planning_period': '6L', 'record_type': 'Adopted', 'review_status': 'In', 'reviewed_date': '2023-02-27 00:00:00.0000000', 'compliance_status': 'In', 'cycle': '6th Cycle'}}
Retrieval issue
HCD compliance dashboard is JS-rendered; Municode and city page fetches blocked / not attempted within 8–12 tool-call budget.
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. It only 'applies' if Gardena has adopted an SB 10 resolution. No such resolution was identified in the research pass. | title=SB 10 — Local Upzoning Authorization ; effect_on_city=None unless/until Gardena 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

  • v1 record misidentified the zoning code as 'Title 7'; the correct chapter is Title 18 of the Gardena Municipal Code (Municode). v1 §7.XX citations are not authoritative and have been downgraded to partial pending live re-verification.
  • Metro J Line (Silver Line) BRT along the I-110 Harbor Transitway — Rosecrans and Harbor Gateway Transit Center stations qualify Gardena parcels for AB 2097 (parking minimums eliminated) and strengthen any local TOD overlay in the same geography.
  • Dominguez Channel FEMA SFHA runs through western/southern Gardena, triggering floodplain controls and serving as a SB 9 per-parcel exclusion flag.
  • LAX flight path sensitivity (Gardena is under the inland/east approach corridor) drives noise-attenuation standards for residential construction; this is a building-code/airport-compatibility layer, not a zoning overlay in the strict sense.
  • Gardena is not in the Coastal Zone (approximately 5 mi inland from the Coastal Commission boundary) — Coastal Act development permits are not required and coastal-zone exclusions (SB 9, SB 423) do not apply.
  • v1's reported 12-month nonconforming-use abandonment threshold is longer than the typical CA 6-month; this quirk is partial pending live Title 18 verification.

Formulas

Definitions

height
Measured from finished grade to highest roof point; spires, flagpoles, and mechanical equipment typically excluded per GMC Title 18 definitions.
lot_coverage
Building footprint as percentage of lot area; accessory structures and decks typically counted.
far
Gross building area divided by lot area; includes all floors; mechanical penthouses and structured parking often excluded by definition.
du_ac
Dwelling units per acre — confirm net vs. gross with Planning Department per code section.
parking
Per-unit (residential) or per-1,000 SF (retail); AB 2097 preempts minimums near qualifying transit stops.
setback_front
Front property line to nearest building face (walls, columns).
setback_side
Side property line to nearest building face.
setback_rear
Rear property line to nearest building face.

Capacity calculations

max_footprint_sf
lot_area_sf * lot_coverage
max_gfa_sf
lot_area_sf * far
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
min_parking_spaces
units * parking_ratio_per_unit

Massing explorer

Interactive 3D comparison across every district. Drag to orbit, scroll to zoom, use the slider to walk districts, and toggle applicable overlays in the right-side panel.

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Max height
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Lot coverage
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Setbacks (F / S / R)
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Parking
— /unit
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Max density
— du/ac
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Min lot size
— sf
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District Category Height FAR Coverage Setbacks Parking Density Min lot Overlays

Sources & references

Citations
  1. [1] §18
  2. [2] §18
  3. [3] §18
  4. [4] §18
  5. [5] §18
  6. [6] §18
  7. [7] i
  8. [8] §18
  9. [9] §18
  10. [10] §18
  11. [11] §18
  12. [12] §18
  13. [13] §18
  14. [14] §18
  15. [15] i
  16. [16] §18
  17. [17] §18
  18. [18] §18
  19. [19] §18
  20. [20] §18
  21. [21] §18
  22. [22] §18
  23. [23] §18
  24. [24] i
  25. [25] §18
  26. [26] §18
  27. [27] §18
  28. [28] §18
  29. [29] §18
  30. [30] §18
  31. [31] §18
  32. [32] §18
  33. [33] i
  34. [34] §18
  35. [35] §18
  36. [36] §18
  37. [37] §18
  38. [38] §18
  39. [39] §18
  40. [40] i
  41. [41] §18
  42. [42] §18
  43. [43] §18
  44. [44] §18
  45. [45] §18
  46. [46] §18
  47. [47] §18
  48. [48] i
  49. [49] §18
  50. [50] §18
  51. [51] §18
  52. [52] §18
  53. [53] §18
  54. [54] §18
  55. [55] §18
  56. [56] i
  57. [57] §18
  58. [58] §18
  59. [59] §18
  60. [60] §18
  61. [61] §18
  62. [62] §18
  63. [63] §18
  64. [64] i
  65. [65] §18
  66. [66] §18
  67. [67] i
  68. [68] i

Research status

Publication gates

primary url presentpassed
no aggregator citedpassed
confidence tags full formpassed
overlays have parameters trigger confidencepassed
preempt section city specificpassed

Data quality

55%completeness10 confirmed34 partial9 inferred4 not found
Documented gaps
  • Municode returns 403 to scripted WebFetch — live re-verification of Title 18 section-by-section tables not possible this pass; dimensional standards carry status=partial with v1 extraction as basis.
  • v1's Title 7 / §7.XX citations are non-authoritative; Title 18 chapter-level citations used as partial pending live verification.
  • Gardena Artesia Corridor Specific Plan PDF not retrieved in this pass.
  • Western/Normandie mixed-use overlay details and TOD overlay §-citation not live-verified.
  • HCD Housing Element certification status not confirmed (affects Builder's Remedy gating).
  • HCD APR / SB 423 eligibility determination not confirmed.
  • FIPS code corrected from v1's 0627000 to 0628840 (Gardena CDP FIPS place code per Census; verify against current 2020-revision place file).

Known issues

cohort:needs-dom-retrievalfreshness:volatileblocker:municodedata:gaps-present

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