Zoning › California › Alameda County › Fremont

Fremont, CA Zoning

Euclidean-zoning. 14 districts · 8 overlays · 6 applicable state preemptions.

Overview

Code type
euclidean
Naming convention
lot-size-encoded

Lot-size-encoded R-1 series: R-1-6 (6,000 sf min), R-1-8 (8,000 sf min), R-1-10 (10,000 sf min), R-1-X (custom, frozen). R-G Garden Apartments frozen July 2003. Town Center uses TC-P / TC-T. Design review required for all conditional uses and all 2-story R-1 additions. | sub_flags_raw=[lot-size-encoded-sf, frozen-legacy-district, bay-area-transit-adjacent]

Worth knowing
  • Lot-size encoded R-1 districts — R-1-6 (6,000 sf), R-1-8 (8,000 sf), R-1-10 (10,000 sf) encode minimum lot area in the district name; R-1-X is custom and frozen (no new R-1-X zones). [confirmed §18.90]
  • R-G Garden Apartments is a frozen district — no new R-G parcels zoned since July 22, 2003. Existing R-G uses R-1-6 side-yard standards for SF and R-2 for duplex. [confirmed §18.90]
  • Design review everywhere — even R-1 two-story additions require design review permits. High threshold compared to most CA cities. [confirmed §18.90]

+ 9 more in Quirks & notes

Districts

com 6res_sf 5res_mf 2spec 1
CodeNameCategory Min lotHeight CoverageFAR Du/acParking Setbacks F/S/R
R-1-6SF 6000res_sf6,000 sf[4]—[5]0.4[6]————[1] / —[2] / —[3]
R-1-8SF 8000res_sf8,000 sf[10]—[11]0.4[12]————[7] / —[8] / —[9]
R-1-10SF 10000res_sf10,000 sf[16]—[17]0.4[18]————[13] / —[14] / —[15]
R-1-XCustom SFres_sf——————— / — / —
R-2Two-Familyres_sf——[21]————20[19] / 7[20] / —
R-3Multi-Familyres_mf6,000 sf[24]—[25]————[26]— / 10[22] / 10[23]
R-GGarden Apartments (Frozen)res_mf——————— / — / —
CGGeneral Commercialcom——————— / — / —
CNNeighborhood Commercialcom——————— / — / —
COOffice Commercialcom——————— / — / —
CRRegional Commercialcom——————— / — / —
TC-PTown Center Pedestriancom——————— / — / —
TC-TTown Center Transitionalcom——————— / — / —
PPlanned Districtspec——————— / — / —

Confidence: confirmed partial under review not found

Overlays

DN-GG
Designated Neighborhood — Glenmoor Gardens
CON
FMC §18.90 Notes 8, 10 (Designated Neighborhood provisions)

Mapped boundaries of the Glenmoor Gardens subdivision (mid-century R-1 tract) — one of three specifically named designated neighborhoods in §18.90.

height_measurement_methodgrade to roof ridge (not standard method)[27]
design_review_required_for_new_construction1[28]
design_review_required_for_alterations1[29]
council_may_adopt_design_guidelines1[30]
underlying_base_districtR-1-6 / R-1-8 (per tract)[31]
DN-MR
Designated Neighborhood — Mission Ranch
CON
FMC §18.90 Notes 8, 10 (Designated Neighborhood provisions)

Mapped boundaries of the Mission Ranch subdivision — one of three specifically named designated neighborhoods in §18.90.

height_measurement_methodgrade to roof ridge (not standard method)[32]
design_review_required_for_new_construction1[33]
design_review_required_for_alterations1[34]
council_may_adopt_design_guidelines1[35]
underlying_base_districtR-1-6 / R-1-8 (per tract)[36]
DN-MP
Designated Neighborhood — Mission Palms
CON
FMC §18.90 Notes 8, 10 (Designated Neighborhood provisions)

Mapped boundaries of the Mission Palms subdivision — one of three specifically named designated neighborhoods in §18.90.

height_measurement_methodgrade to roof ridge (not standard method)[37]
design_review_required_for_new_construction1[38]
design_review_required_for_alterations1[39]
council_may_adopt_design_guidelines1[40]
underlying_base_districtR-1-6 / R-1-8 (per tract)[41]
MSJ
Mission San Jose Guidelines Area
HP
FMC §18.90 (additional-setback provisions) + Mission San Jose Guidelines and Regulations (separate adopted document)

Mission San Jose historic district boundary (eastern Fremont); the historic core is also governed by the TC-P Pedestrian Town Center district per §18.45.

additional_setback_standards_beyond_base1[42]
supplemental_guidelines_documentMission San Jose Guidelines and Regulations[43]
supersedes_base_setbacks1[44]
design_review_required1[45]
historic_core_tcp_interactionTC-P base zoning applies to MSJ historic commercial core per §18.45[46]
H-I
Hillside Overlay
HS
FMC Ch. 18.130 (Hillside Development)

Parcels in mapped hillside topography areas (eastern Fremont foothills including Mission San Jose hills, Niles Canyon margins, and South Fremont ridgelines). Applied as combining suffix to R-1-6 / R-1-8 / R-1-10 parcels meeting slope thresholds.

applies_to_base_districtsR-1-6, R-1-8, R-1-10 (and potentially R-2/R-3 where hillside mapped)[47]
exempts_from_land_use_range_enabler1[48]
slope_based_density_reductionper Ch. 18.130 slope thresholds[49]
grading_limits_apply1[50]
ridgeline_and_visual_protectionsapplies[51]
hillside_specific_setback_adjustmentsper Ch. 18.130[52]
TOD
TOD (Transit-Oriented Development) Area
TOD
FMC §18.90 (R-3 parking TOD provisions) + AB 2097 state preemption

Areas near BART stations — specifically Warm Springs/South Fremont BART and Fremont BART — per R-3 parking TOD geography referenced in §18.90. Parcels within ½ mile of the BART stations are also AB 2097-eligible under state law.

applies_to_base_districtR-3 multi-family[53]
parking_has_both_min_and_max1[54]
parking_ceiling_purposediscourage car-dependency near BART[55]
ab2097_overlap1[56]
transit_stationsWarm Springs/South Fremont BART, Fremont BART[57]
TC-P
Town Center — Pedestrian (TC-P)
DT
FMC §18.45

Historic cores of Centerville, Irvington, Mission San Jose, and Niles — small-parcel, walkable, mixed-use districts mapped specifically to these four historic town centers.

characterpedestrian-oriented mixed-use historic cores[58]
mapped_coresCenterville, Irvington, Mission San Jose, Niles[59]
design_review_required1[60]
lighting_diffused_concealed1[61]
transformers_underground1[62]
replaces_base_commercial_standards1[63]
full_dimensional_table_refTable 18.45.020[64]
TC-T
Town Center — Transitional (TC-T)
DT
FMC §18.45

Warm Springs area — suburban-to-walkable transition zone between the BART station and the surrounding low-density fabric.

charactersuburban-to-walkable transition zone[65]
mapped_areaWarm Springs[66]
design_review_required1[67]
lighting_diffused_concealed1[68]
transformers_underground1[69]
replaces_base_commercial_standards1[70]
full_dimensional_table_refTable 18.45.020[71]

State preemptions

CA-ADU-GC§66411.7-66411.8applies
Qualifying condition
All CA cities. Fremont's R-1-6/8/10, R-1-X, R-2, R-3, R-G (existing), and mixed-use/Town Center districts must permit ADUs by-right per state law. Fremont's design-review regime for 2-story additions cannot be applied in a way that blocks ADU ministerial approval. | 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 (eff. 2025-01-01). Preempts any Fremont provision imposing minimum lot size, owner-occupancy beyond statute, or parking within ½ mi of BART/historic district/existing-structure ADU.
CA-SB9-GC§65852.21-66411.7applies
Qualifying condition
Fremont is a CA general-law city with R-1-6, R-1-8, R-1-10, and R-1-X single-family districts. SB 9 applies per-parcel conditional on exclusions. Fremont contains FEMA flood zones (Alameda Creek, bay-margin tidal areas) that exclude specific parcels, and mapped hillside areas in eastern Fremont that partially overlap CalFire Very High Fire Hazard Severity Zones (check per-parcel). No coastal zone (inland city; bay-margin only). Mission San Jose is a locally designated guidelines area but is not a state-registered historic district — per-parcel check required. | title=SB 9 — California HOME Act (Lot Splits + Duplex Conversion) ; effect_on_city=Ministerial up-to-4-units on qualifying R-1 parcels (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. SB 450 (2024) strengthens ministerial procedural limits effective 2024-07-01. Fremont's Designated Neighborhood overlays (Glenmoor Gardens, Mission Ranch, Mission Palms) cannot block SB 9 on ministerial grounds unless parcel is in a state-registered historic district. ; per_parcel_conditional=True ; exclusions=['FEMA SFHA (Alameda Creek, bay-margin per-parcel)', 'CalFire VHFHSZ (eastern Fremont hillsides per-parcel)', 'coastal zone (N/A — inland Bay Area city)', 'designated historic districts (Mission San Jose is a local-guidelines area, not state-registered; per-parcel check)']
CA-DensityBonus-GC§65915applies
Qualifying condition
Statewide. Applies to any Fremont project meeting affordability thresholds (5% VLI, 10% LI, 10% moderate for-sale, or 100% affordable). AB 1287 allows stacking to achieve up to 100% density bonus. | title=State Density Bonus Law + AB 1287 (2023) ; effect_on_city=Up to 100% density bonus (AB 1287 stacked) on R-3, TC-P, TC-T, CG/CN/CO/CR mixed-use, and Planned-District residential components. Can waive base du_ac, max_height_ft (within reason), 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 Fremont parking standards on affordable components.
CA-AB2097applies
Qualifying condition
Fremont is served by BART (Fremont station and Warm Springs/South Fremont station), Amtrak Capitol Corridor (Fremont-Centerville station), and AC Transit bus network with multiple high-frequency corridors (Fremont Blvd, Mowry Ave, Thornton Ave, Mission Blvd). BART stations and Amtrak qualify as 'major transit stops' under PRC §21064.3. AC Transit routes meeting 15-min peak headway also qualify. Parcels within ½ mile of qualifying stops are AB 2097-eligible. | 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 Fremont BART, Warm Springs/South Fremont BART, Fremont-Centerville Amtrak station, or qualifying AC Transit high-frequency corridor intersections. Preempts Fremont parking minimums within buffer. Stacks with the FMC §18.90 R-3 TOD parking-ceiling provision (which continues to impose a MAXIMUM).
CA-SB423-GC§65913.4applies
Qualifying condition
SB 423 applies to sites zoned residential or mixed-use in cities not meeting their RHNA share. Fremont is under 6th-cycle RHNA (2023–2031) through ABAG/MTC with a 12,897-unit allocation. Per HCD SB 35 Determination dataset, Fremont is subject to SB 423 at the 50% affordability tier (lower-income production lagging). Applies to R-2, R-3, R-G (existing), TC-P, TC-T, CG/CN/CO/CR corridor parcels (per AB 2011 overlap), and Planned-District residential components. VHFHSZ (eastern hillsides) and sites with recent tenant displacement are excluded. | title=SB 423 — Streamlined Ministerial Multifamily Approval (extends SB 35, 2024–2036) ; effect_on_city=Ministerial by-right approval for qualifying multifamily ≥50% affordable (LI rental / moderate for-sale). Bypasses design review (including Fremont's mandatory design-review regime). Prevailing wage / skilled-and-trained workforce requirements apply for 10+ unit projects. ; 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': 'FREMONT', 'county': 'ALAMEDA', 'planning_period_evaluated': 'Half 5th', 'rhna_total': '5,455', 'total_permits': '4,968', 'lower_pct_complete': '34.2%', 'above_mod_pct_complete': '234.9%', 'exempt_flag': 'No', '10pct_flag': 'No', '50pct_flag': 'Yes', 'tier': '50%', 'most_recent_apr_status': 'Successful'}}
CA-AB2011-GC§65912.100applies
Qualifying condition
Fremont has commercially-zoned parcels along defined corridors (Fremont Blvd, Mowry Ave, Mission Blvd, Thornton Ave, Warm Springs Blvd, Auto Mall Pkwy) 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; minimum density not less than jurisdiction's default). | title=AB 2011 — Affordable Housing and High Road Jobs Act ; effect_on_city=Ministerial approval for qualifying multifamily on CG, CN, CR, TC-P, TC-T corridor sites. 100% affordable bypasses discretionary review (including Fremont's design-review regime). Overlaps with SB 423 — developers choose pathway. Prevailing wage required.
Non-applicable laws (2)
CA-BuildersRemedy-GC§65589.5(d)(5)applies
Qualifying condition
Fremont adopted its 6th-cycle Housing Element (2023–2031) for the ABAG/MTC region. HCD Housing Element Compliance Report shows Fremont with compliance_status = 'In' (reviewed 2023-03-22), record_type = 'Adopted'. Housing element certified compliant — Builder's Remedy not live. | title=Builder's Remedy (Housing Accountability Act) ; effect_on_city=Contingent — currently dormant. If Housing Element falls out of compliance (midcycle APR findings, HCD enforcement, or upcoming 7th-cycle adoption delay): projects with 20% LI or 100% moderate-income would bypass all local zoning (height, density, FAR, use, setbacks). City may only deny based on preponderance-of-evidence health/safety findings. ; 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': 'FREMONT', 'county': 'Alameda', 'planning_period': '6S', 'record_type': 'Adopted', 'review_status': 'In', 'reviewed_date': '2023-03-22 00:00:00.0000000', 'compliance_status': 'In', 'cycle': '6th Cycle'}}
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 Fremont has adopted an SB 10 resolution; Title 18 contains no SB 10-adoption reference. Fremont's transit-upzoning vehicles are the TOD parking provisions in §18.90 and Town Center/Planned District rezones — not SB 10. | title=SB 10 — Local Upzoning Authorization ; effect_on_city=None unless/until Fremont 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

  • Lot-size encoded R-1 districts — R-1-6 (6,000 sf), R-1-8 (8,000 sf), R-1-10 (10,000 sf) encode minimum lot area in the district name; R-1-X is custom and frozen (no new R-1-X zones). [confirmed §18.90]
  • R-G Garden Apartments is a frozen district — no new R-G parcels zoned since July 22, 2003. Existing R-G uses R-1-6 side-yard standards for SF and R-2 for duplex. [confirmed §18.90]
  • Design review everywhere — even R-1 two-story additions require design review permits. High threshold compared to most CA cities. [confirmed §18.90]
  • R-3 adjacency setback doubles — side/rear goes from 10 ft to 20 ft when site adjacent to low-density residential GP (≤8.7 DU/ac). Accessory structures remain at 10 ft. [confirmed §18.90]
  • Rear/side yard substitution flexibility — rear and side yard requirements can be swapped per §18.90 Note 6. Corner lots restricted to rear↔interior-side only. [confirmed §18.90 Note 6]
  • Combination 1/2-story setbacks — each portion meets its own story's setback; wider setback goes on 2-story side; total side yards never less than 1-story requirement. [confirmed §18.90 Note 7]
  • Mission San Jose Guidelines Area imposes additional setbacks beyond base zoning — guidelines document supersedes base where more restrictive. Mission San Jose historic commercial core is also TC-P. [confirmed §18.90, §18.45]
  • TOD parking ceiling — R-3 parking near BART has both a MINIMUM and a MAXIMUM; non-TOD R-3 has minimum only. Reverses normal one-sided parking regulation. AB 2097 further eliminates minimum within ½ mi. [confirmed §18.90]
  • Land use range enabler — R-1-6/8/10 parcels (pre-2005, no H-I overlay) can vary lot area, width, and yard in new subdivisions ≥7 lots via planning commission. Allows density increases within GP ranges. H-I-overlaid parcels excluded. [confirmed §18.90]
  • Three specifically-named Designated Neighborhoods — Glenmoor Gardens, Mission Ranch, Mission Palms each operate as distinct overlays (not a single grouped overlay) with alternative roof-ridge height measurement per §18.90 Notes 8, 10. [confirmed §18.90 Notes 8, 10]
  • Four Town Center historic cores — Centerville, Irvington, Mission San Jose, Niles — are each mapped TC-P districts; Warm Springs is mapped TC-T. TC functions as base replacement rather than pure overlay. [confirmed §18.45]
  • codepublishing.com/CA/Fremont returns 403 Forbidden to scripted WebFetch. Table 18.90.040 (R-1 dimensional standards) and Table 18.45.020 (commercial dimensional standards) require browser-based retrieval.

Formulas

Definitions

height
Grade to highest point of structure; in designated neighborhoods measured grade to roof ridge (not standard method) per §18.90 Notes 8, 10.
lot_coverage
Building footprint / lot area; 1-story and 2-story R-1 have different maximums per §18.90 Notes 11–12.
far
du_ac
impervious_cover
setback_front
Front property line to nearest building face.
setback_side
Side property line to nearest building face; rear/side substitutable per §18.90 Note 6.
setback_rear
Rear property line to nearest building face.
parking
Spaces per dwelling unit unless noted.

Capacity calculations

max_footprint_sf
lot_area_sf * lot_coverage
max_gfa_sf
lot_area_sf * far
max_units_from_density
lot_area_sf * du_ac / 43560
buildable_width_ft
lot_width_ft - setback_side_ft * 2
buildable_depth_ft
lot_depth_ft - setback_front_ft - setback_rear_ft
buildable_envelope_sf
buildable_width_ft * buildable_depth_ft
max_stories_approx
max_height_ft / 10
max_gfa_from_envelope
min(buildable_envelope_sf * max_stories_approx, max_gfa_sf)
parking_required
units * parking
r3_adjacency_setback_rule
R-3 side/rear setback doubles from 10 ft to 20 ft when site adjacent to low-density residential GP (≤8.7 DU/ac); accessory structures remain at 10 ft (§18.90).
r1_lot_coverage_two_story_cap
2-story R-1: overall max 35% AND 2nd-floor area ≤60% of 1st-floor area OR 1,000 sf (whichever less) per §18.90 Notes 11–12.

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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— ft
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Parking
— /unit
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— du/ac
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District Category Height FAR Coverage Setbacks Parking Density Min lot Overlays

Sources & references

Primary source
Title 18 — Planning and Zoning, Fremont Municipal Code
Through Ord. 01-2025 · retrieved 2026-04-19
Citations
  1. [1] §18.90
  2. [2] §18.90
  3. [3] §18.90
  4. [4] §18.90
  5. [5] §18.90
  6. [6] §18.90
  7. [7] §18.90
  8. [8] §18.90
  9. [9] §18.90
  10. [10] §18.90
  11. [11] §18.90
  12. [12] §18.90
  13. [13] §18.90
  14. [14] §18.90
  15. [15] §18.90
  16. [16] §18.90
  17. [17] §18.90
  18. [18] §18.90
  19. [19] §18.90
  20. [20] §18.90
  21. [21] §18.90
  22. [22] §18.90
  23. [23] §18.90
  24. [24] §18.90
  25. [25] §18.90
  26. [26] §18.90
  27. [27] §18.90 Notes 8, 10
  28. [28] §18.90
  29. [29] §18.90
  30. [30] §18.90
  31. [31] §18.90
  32. [32] §18.90 Notes 8, 10
  33. [33] §18.90
  34. [34] §18.90
  35. [35] §18.90
  36. [36] §18.90
  37. [37] §18.90 Notes 8, 10
  38. [38] §18.90
  39. [39] §18.90
  40. [40] §18.90
  41. [41] §18.90
  42. [42] §18.90
  43. [43] §18.90
  44. [44] §18.90
  45. [45] §18.90
  46. [46] §18.45
  47. [47] §18.130
  48. [48] §18.90
  49. [49] §18.130
  50. [50] §18.130
  51. [51] §18.130
  52. [52] §18.130
  53. [53] §18.90
  54. [54] §18.90
  55. [55] §18.90
  56. [56] (state law)
  57. [57] §18.90
  58. [58] §18.45
  59. [59] §18.45
  60. [60] §18.45
  61. [61] §18.45
  62. [62] §18.45
  63. [63] §18.45
  64. [64] §18.45
  65. [65] §18.45
  66. [66] §18.45
  67. [67] §18.45
  68. [68] §18.45
  69. [69] §18.45
  70. [70] §18.45
  71. [71] §18.45

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

58%completeness42 confirmed16 partial
Documented gaps
  • Table 18.90.040 R-1 setbacks and heights not retrieved live (platform 403).
  • Table 18.45.020 commercial dimensional standards not retrieved live.
  • Ch. 18.130 Hillside slope-based parameters not retrieved live.
  • Ch. 18.152 (Historical) and Ch. 18.165 (Flood) not fully extracted; federal flood overlay treatment handled via California ADU-ineligibility exclusions.
  • Parking ratios by land use (full table) not retrieved.
  • R-3 DU/ac base density not stated in retrieved text.

Known issues

cohort:needs-dom-retrievalblocker:codepublishingdata:gaps-present

Verification

last_verified_at2026-04-19T00:00:00Z
verifier_specialistverification-pass
verifier_version1.0
verification_resultpassed
atomic_claims_checked46
atomic_claims_passed46
atomic_claims_failed0
failed_claims
narrative_refnarratives/fremont-ca/frmnt-2026-04-19-v2.json

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