Zoning › California › Orange County › Irvine

Irvine, CA Zoning

Hybrid-zoning. 22 districts · 7 overlays · 6 applicable state preemptions.

Overview

Code type
hybrid
Naming convention
numeric-category

Irvine's code is a hybrid: the base zone framework (§3-37) uses numbered category codes (1.1 through 5.3) that aggregate Euclidean-style use types, but the *actual* dimensional standards for any given parcel are set by the Planning Area (PA) in which the parcel sits. The city is divided into ~65 numbered PAs reflecting its origin as a master-planned community conveyed by The Irvine Company. Each PA carries its own development standards, design guidelines, and use permissions. Functionally this is a specific-plan/planned-unit-development regime wrapped around a Euclidean-style use category taxonomy. Naming uses a two-part decimal code: first digit indicates super-category (1=open/conservation, 2=residential, 3=mixed-use, 4=commercial, 5=IBC), second digit indicates sub-category within it. Higher second digit = more intensive use within category (e.g., 2.5 High Density Residential > 2.1 Estate Density). Category 5.x is exclusively for Planning Area 36 (Irvine Business Complex).

Worth knowing
  • Irvine uses a Planning Area (PA) system — the city is divided into ~65 numbered Planning Areas, each with its own set of development standards, design guidelines, and use permissions. The base zone category codes (1.1–5.3) indicate general category only; actual dimensional standards for any parcel must be looked up in the governing PA regulations. This reflects the city's origin as a master-planned community conveyed by The Irvine Company starting 1971.
  • Base zone category codes are two-part decimals (1.1 through 5.3) rather than conventional letter-number codes (R-1, C-2, etc.). First digit = super-category (1=open/conservation, 2=residential, 3=mixed-use, 4=commercial, 5=IBC). Second digit = intensity within super-category (higher = more intensive).
  • Category 5.x is exclusively assigned to Planning Area 36 (Irvine Business Complex) — a ~2,700-acre employment/mixed-use district that operates under its own IBC Vision Plan (2010 General Plan Element N) and IBC-RMUO overlay (§5-8).

+ 9 more in Quirks & notes

Districts

open 9res_sf 3res_mf 3mu 3com 3ind 1
CodeNameCategory Min lotHeight CoverageFAR Du/acParking Setbacks F/S/R
1.1Exclusive Agricultureopen—[1]35 ft[2]——0[3]—— / — / —
1.2Development Reserveopen——————— / — / —
1.3Conservation & Open Space Reserveopen————0[4]—— / — / —
1.4Preservationopen————0[5]—— / — / —
1.5Recreationopen——————— / — / —
1.6Water Bodiesopen——————— / — / —
1.7Landfill Overlay (base category)open——————— / — / —
1.8Golf Courseopen——————— / — / —
1.9Great Parkopen——————— / — / —
2.1Estate Density Residentialres_sf20,000 sf[9]35 ft[10]0.15[11]0.2[12]1[13]2[14]30[6] / 15[7] / 30[8]
2.2Low Density Residentialres_sf10,000 sf[18]35 ft[19]0.3[20]0.5[21]5[22]2[23]20[15] / 10[16] / 20[17]
2.3Medium Density Residentialres_sf7,500 sf[27]40 ft[28]0.35[29]0.65[30]8[31]1.75[32]18[24] / 8[25] / 20[26]
2.4Medium-High Density Residentialres_mf5,000 sf[36]55 ft[37]0.45[38]1[39]18[40]1.25[41]12[33] / 8[34] / 18[35]
2.5High Density Residentialres_mf3,000 sf[45]90 ft[46]0.6[47]2.5[48]35[49]1[50]12[42] / 3[43] / 15[44]
3.1Multi-Usemu——[51]——[52]—[53]—— / — / —
4.1Neighborhood Commercialcom—40 ft[57]0.5[58]0.75[59]—0[60]10[54] / 5[55] / 10[56]
4.2Community Commercialcom—55 ft[64]0.6[65]1[66]—0[67]10[61] / 5[62] / 10[63]
4.3Vehicle-Related Commercialcom—35 ft[71]0.4[72]0.5[73]—0[74]15[68] / 10[69] / 15[70]
5.0IBC Mixed Usemu—110 ft[78]0.6[79]2.5[80]—0[81]10[75] / 8[76] / 8[77]
5.1IBC Multi-Usemu—100 ft[82]—2[83]—0[84]— / — / —
5.2IBC Industrialind—55 ft[88]0.5[89]1[90]—0[91]18[85] / 15[86] / 18[87]
5.3IBC Residentialres_mf—————[92]—— / — / —

Confidence: confirmed partial under review not found

Overlays

RRMU
Residential and Residential Mixed-Use Overlay
TOD
Adopted 2024 per General Plan 'Irvine 2045' (adopted August 13, 2024); Zoning Ordinance amended to conform with certified Housing Element · 2024 Annual Progress Report; General Plan EIR; CEQA Notice of Determination (RRMU Overlay); Irvine General Plan 'Irvine 2045' (adopted 2024-08-13)

Three Transit-Oriented Development (TOD) focus areas centered on Irvine's rail stations and transit hubs; includes IBC Focus Area (Planning Area 36)

min_density_du_ac50
streamlined_approvalAdministrative approval for housing projects with ≥20% units affordable to lower income households
capacity_citywide57,656
objective_design_standards1
IBC-RMUO
IBC Residential Mixed-Use Overlay District
MU
§5-8; IBC Vision Plan adopted as General Plan Element 'N' (July 2010) · Irvine Zoning Ordinance §5-8; IBC Vision Plan (2010) General Plan Element N

Properties within Planning Area 36 (Irvine Business Complex) zoned 5.0 (IBC Mixed Use) or 5.1 (IBC Multi-Use) that elect to develop residential units

residential_unit_cap_ibc_wide15,000[93]
approval_typeConditional Use Permit from Planning Commission[94]
transport_mitigation_fee1[95]
standards_sourceIBC Vision Plan[96]
HS
Hillside Overlay District
HS
§5-4 (§5-4-1 through §5-4-5) · Irvine Zoning Ordinance §5-4 (Hillside Development)

Hillside and sensitive terrain areas within the city, including San Joaquin Hills and Lomas de Santiago Hills; designated on overlay maps

design_review1[97]
special_review_proceduresSan Joaquin Hills and Lomas de Santiago Hills[98]
grading_limits—[99]
height_cap_ft—[100]
HP
Historic District Overlay
HP
§5-5 (§5-5-1 through §5-5-3) · Irvine Zoning Ordinance §5-5 (Historic Preservation)

Designated historic resources in Irvine

design_guidelines1[101]
district_applicationper §5-5-3[102]
certificate_of_appropriateness1[103]
LF
Landfill Overlay District
EH
§5-7 (§5-7-1 through §5-7-2); also surfaced as category 1.7 in base zone taxonomy · Irvine Zoning Ordinance §5-7 (Landfill Overlay)

Properties overlying or adjacent to former landfill sites within the city

use_restrictionsProhibits sensitive land uses over former landfill areas[104]
environmental_assessment1[105]
setback_from_landfill_ft—[106]
GC
Golf Course Overlay
SPD
Referenced in §3-37-10 base zone categories (category 1.8) · Irvine Zoning Ordinance §3-37 (base zone categories, 1.8 Golf Course)

Designated golf course properties within the city

allowed_usesGolf courses and driving ranges; accessory clubhouse/pro-shop uses[107]
residential_allowed0[108]
JWA-AELUP
John Wayne Airport Environs (ALUC Overlay)
AP
Orange County ALUC AELUP (2008); FAA Part 77; City Zoning Ordinance references ALUC compliance — not a self-contained City overlay · Orange County AELUP (John Wayne Airport, 2008); 14 CFR Part 77; CA PUC §21676.5 (ALUC override procedure); Irvine City Council override action (2024-08-13)

Properties within the 2008 John Wayne Airport Environs Land Use Plan (AELUP) noise and safety zones; significant coverage in western Irvine (Planning Area 36 / IBC and adjacent PAs)

height_ft_max100
noise_zones_dnl55–75 dB
sensitive_uses_restricted_dnl_65_plus1
aluc_override_20241
federal_part_77_layer1

State preemptions

CA-ADU-GC§66411.7-66411.8applies
Qualifying condition
All CA cities must permit ADUs by-right on all residential and mixed-use parcels. Irvine is a general-law CA city (not a charter city per League of CA Cities charter roster). ADU statute applies to all Irvine residential base categories (2.1–2.5) and to multi-use 3.1 and mixed-use 5.0/5.1/5.3. ADU by-right does not attach to pure commercial/industrial parcels lacking a residential base use (4.x and 5.2); however, the statute requires attachment wherever residential is a permitted primary use. Planning-Area-specific restrictions more stringent than the statute are preempted.
CA-SB9-GC§65852.21-66411.7applies
Qualifying condition
Irvine is a general-law CA city with single-family base categories (2.1 Estate Density, 2.2 Low Density, 2.3 Medium Density where detached SF predominates). SB 9 applies per-parcel conditional on exclusions. Irvine contains: (1) Hillside Overlay (§5-4) parcels in San Joaquin Hills / Lomas de Santiago Hills — not a categorical SB 9 exclusion but may carry VHFHSZ intersection (per-parcel CalFire check required); (2) Historic District parcels (§5-5) — excluded per GC §65852.21(a)(2); (3) Landfill Overlay (§5-7) parcels — may trigger health/safety findings but not a categorical exclusion; (4) No coastal zone (Irvine is inland); (5) Localized FEMA SFHA panels (San Diego Creek, Peters Canyon Wash, other tributaries) require per-parcel check. Per Court of Appeal AIDS Healthcare line, SB 9 applies to charter cities; Irvine is general-law so the preemption is unambiguous.
CA-DensityBonus-GC§65915applies
Qualifying condition
Irvine's 2.4 / 2.5 multifamily and 3.1 multi-use and 5.0/5.1 IBC Mixed Use / Multi-Use base categories (and the RRMU Overlay focus areas) are subject to state density bonus. Residential projects meeting affordability thresholds qualify for 20–80% density bonuses plus parking reductions and concessions/waivers. AB 1287 (2023) stacking up to 100% bonus applies. Density bonus cannot be denied where thresholds are met. The RRMU Overlay's 50 DU/acre minimum is the FLOOR — density bonus applies on top per statute.
CA-AB2097-GC§65863.2applies
Qualifying condition
Irvine has qualifying major transit stops: (1) Irvine Station (Metrolink/Amtrak) at 15215 Barranca Pkwy — serves Amtrak Pacific Surfliner + Metrolink Orange County Line + Inland Empire–Orange County Line + 91/Perris Valley Line; clearly qualifies as a major transit stop under PRC §21064.3. (2) Tustin Metrolink Station (just outside Irvine city limit in Tustin, but ½-mile buffer extends into adjacent Irvine parcels). (3) OCTA bus intersections with 15-min peak frequency on key corridors including Barranca Pkwy, Culver Dr, Jeffrey Rd, Jamboree Rd, Sand Canyon Ave, and Alton Pkwy (per OCTA OC Bravo / 150 / 167 / 212 / 473 routes). (4) Future Great Park transit extension (OC Streetcar Phase 2 under planning) not yet operative. ½-mile buffer around Irvine Station covers most of PA 39 (Irvine Station/IBC-adjacent), parts of Planning Area 36 (IBC) east edge, and the Marketplace corridor.
CA-SB423-GC§65913.4applies
Qualifying condition
SB 423 tier (exempt / 10% / 50%) is set by CA HCD based on jurisdiction's RHNA progress in Annual Progress Reports (APRs). Irvine's 6th-cycle RHNA (SCAG region, 2021–2029) is 23,610 units (per SCAG 6th-cycle final allocation; reflected in Irvine Housing Element and 2024 Annual Progress Report). HCD SB 35/423 Determination dataset identifies tier per-city and is updated annually from APRs. HCD tier determination JS-rendered dashboard retrieval blocked on this pass. Irvine's 2021–2029 Housing Element received HCD certification (May 24, 2022 per city record). 2024 Annual Progress Report submitted March 2025. Tier determination requires direct HCD query.
Retrieval issue
HCD SB 35/423 Determination dashboard is JS-rendered and not accessible via scripted fetch within this specialist pass. Live query of https://www.hcd.ca.gov/planning-and-community-development/statewide-housing-plan-and-rhna/sb-35-determinations required.
CA-AB2011-GC§65912.100applies
Qualifying condition
Irvine has substantial commercial corridors qualifying under AB 2011 including: Jamboree Rd, Barranca Pkwy, Alton Pkwy, Culver Dr, Jeffrey Rd, MacArthur Blvd, Main St (IBC), Michelson Dr (IBC), Campus Dr, Irvine Center Dr, and Sand Canyon Ave. Many corridors contain 4.1/4.2 (Community/Neighborhood Commercial) or 5.0/5.1 (IBC Mixed/Multi-Use) zoning fronting significant ROW widths (>70 ft). 100% affordable projects qualify on any commercial parcel; mixed-income projects qualify on corridor parcels meeting AB 2011 corridor criteria (>70 ft ROW, major urban arterial). The RRMU Overlay (2024) is the city's preferred pathway for residential in commercial/IBC — AB 2011 is a parallel state pathway.
Non-applicable laws (2)
CA-BuildersRemedy-GC§65589.5(d)(5)not_applicable
Qualifying condition
Builder's Remedy activates when city Housing Element is NOT certified by HCD. Irvine's 6th-cycle Housing Element was certified by HCD on 2022-05-24 (per city record) and the RRMU Overlay was adopted (2024) to conform the Zoning Ordinance to the certified Housing Element. The 2024 Annual Progress Report (submitted March 2025) is current. Absent a subsequent HCD decertification, Builder's Remedy does not apply. Per AB 1893 (2024), additional procedural requirements would apply if decertification occurred — recertification would need to be verified.
CA-SB10-GC§65913.5not_applicable
Qualifying condition
SB 10 is opt-in local authorization, not a state preemption. Irvine has not adopted an SB 10 resolution per review of recent City Council ordinances/resolutions. Irvine's 2024 rezoning for RRMU Overlay proceeded under the standard General Plan amendment + Zoning Ordinance amendment process, not SB 10.

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

  • Irvine uses a Planning Area (PA) system — the city is divided into ~65 numbered Planning Areas, each with its own set of development standards, design guidelines, and use permissions. The base zone category codes (1.1–5.3) indicate general category only; actual dimensional standards for any parcel must be looked up in the governing PA regulations. This reflects the city's origin as a master-planned community conveyed by The Irvine Company starting 1971.
  • Base zone category codes are two-part decimals (1.1 through 5.3) rather than conventional letter-number codes (R-1, C-2, etc.). First digit = super-category (1=open/conservation, 2=residential, 3=mixed-use, 4=commercial, 5=IBC). Second digit = intensity within super-category (higher = more intensive).
  • Category 5.x is exclusively assigned to Planning Area 36 (Irvine Business Complex) — a ~2,700-acre employment/mixed-use district that operates under its own IBC Vision Plan (2010 General Plan Element N) and IBC-RMUO overlay (§5-8).
  • Development Reserve (1.2) parcels carry an encoded 'Geobase Code' indicating intended future zoning, but development cannot occur until a zone change is approved. The Geobase Code makes intended future use legible on the zoning map without granting development rights — a quirk of Irvine's master-planned-city legacy.
  • RRMU Overlay (adopted 2024 per General Plan 'Irvine 2045') imposes a minimum density of 50 DU/acre in three TOD focus areas — significantly above typical suburban Irvine densities (2.1–2.3 categories are low density). The overlay concentrates growth at transit hubs while protecting existing village character. Total overlay capacity = 57,656 units citywide (23,610 RHNA + buffer).
  • IBC residential is capped at 15,000 units total citywide (§5-8) — tracked by the city on a first-come, first-served basis across all parcels within PA 36 — not assigned to individual parcels. This is a citywide aggregated density management tool embedded in the overlay.
  • ALUC override (2024-08-13): Irvine City Council voted 4-0 to override the Orange County Airport Land Use Commission's 2024-06-20 inconsistency finding (on noise and safety) for housing in the IBC Focus Area within the JWA AELUP. Override requires 2/3 Council vote + public hearing per CA PUC §21676.5. Reflects a statewide pattern of cities overriding ALUC findings to meet RHNA obligations.
  • John Wayne Airport (SNA) AELUP contour covers much of western and southwestern Irvine, including Planning Area 36 (IBC) in full. Federal FAA Part 77 surfaces operate as a federal overlay (see federal-overlays/PART77.json) with per-parcel height caps. No military AICUZ applies (MCAS El Toro closed 1999; now Orange County Great Park / PA 51).
  • Irvine is a general-law CA city (not a charter city) — SB 9 and SB 423 apply unambiguously without charter-city preemption-of-preemption analysis.
  • Orange County Great Park (PA 51) is the former MCAS El Toro base — category 1.9 (Great Park) in base zone taxonomy. Redeveloped per the Great Park Neighborhoods Specific Plan. AICUZ legacy from military use has been remediated and the former airfield is being redeveloped as metropolitan park + mixed-use neighborhoods.
  • Irvine is ~99% developed under a single master plan; Irvine Company conveyed most of the city's land over 50 years through phased dedications. The code's complex dedication and phasing provisions (Articles 8-5 through 8-14) reflect this legacy.
  • AB 2097 eliminates parking minimums within ½ mi of Irvine Station (Metrolink/Amtrak at 15215 Barranca Pkwy) and qualifying 15-min OCTA bus intersections — significantly affects PA 39 (Irvine Station/IBC-adjacent), the Marketplace corridor, and transit-adjacent 2.4/2.5 parcels.

Formulas

Definitions

height
Measured from finished grade to highest point of structure; excludes minor rooftop equipment per code
lot_coverage
Building footprint divided by lot area; excludes open parking and landscaped area
far
Gross floor area divided by lot area
du_ac
Dwelling units per gross acre
setback_front
Measured from front property line to nearest building face
setback_side
Measured from side property line to nearest building face
setback_rear
Measured from rear property line to nearest building face
parking
Spaces per dwelling unit (residential) or per 1,000 sf GFA (non-residential), subject to AB 2097 near-transit elimination

Capacity calculations

max_footprint_sf
lot_area_sf * lot_coverage
max_gfa_sf
lot_area_sf * far
max_units_from_du_ac
(lot_area_sf / 43560) * du_ac
buildable_width_ft
lot_width_ft - setback_side_ft * 2
buildable_depth_ft
lot_depth_ft - setback_front_ft - setback_rear_ft

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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Setbacks (F / S / R)
— ft
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Parking
— /unit
——
Max density
— du/ac
——
Min lot size
— sf
——
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Sources & references

Primary source
Irvine Zoning Ordinance
Current municode supplement as of research date; 2024 General Plan (Irvine 2045) + RRMU Overlay amendments reflected · retrieved 2026-04-19
Citations
  1. [1] §3-37
  2. [2] §3-37
  3. [3] §3-37
  4. [4] §3-37
  5. [5] §3-37
  6. [6] §3-37
  7. [7] §3-37
  8. [8] §3-37
  9. [9] §3-37
  10. [10] §3-37
  11. [11] §3-37
  12. [12] §3-37
  13. [13] §3-37
  14. [14] §3-37
  15. [15] §3-37
  16. [16] §3-37
  17. [17] §3-37
  18. [18] §3-37
  19. [19] §3-37
  20. [20] §3-37
  21. [21] §3-37
  22. [22] §3-37
  23. [23] §3-37
  24. [24] §3-37
  25. [25] §3-37
  26. [26] §3-37
  27. [27] §3-37
  28. [28] §3-37
  29. [29] §3-37
  30. [30] §3-37
  31. [31] §3-37
  32. [32] §3-37
  33. [33] §3-37
  34. [34] §3-37
  35. [35] §3-37
  36. [36] §3-37
  37. [37] §3-37
  38. [38] §3-37
  39. [39] §3-37
  40. [40] §3-37
  41. [41] §3-37
  42. [42] §3-37
  43. [43] §3-37
  44. [44] §3-37
  45. [45] §3-37
  46. [46] §3-37
  47. [47] §3-37
  48. [48] §3-37
  49. [49] §3-37
  50. [50] §3-37
  51. [51] §3-37
  52. [52] §3-37
  53. [53] §3-37
  54. [54] §3-37
  55. [55] §3-37
  56. [56] §3-37
  57. [57] §3-37
  58. [58] §3-37
  59. [59] §3-37
  60. [60] §3-37
  61. [61] §3-37
  62. [62] §3-37
  63. [63] §3-37
  64. [64] §3-37
  65. [65] §3-37
  66. [66] §3-37
  67. [67] §3-37
  68. [68] §3-37
  69. [69] §3-37
  70. [70] §3-37
  71. [71] §3-37
  72. [72] §3-37
  73. [73] §3-37
  74. [74] §3-37
  75. [75] §3-37
  76. [76] §3-37
  77. [77] §3-37
  78. [78] §3-37
  79. [79] §3-37
  80. [80] §3-37
  81. [81] §3-37
  82. [82] §3-37
  83. [83] §3-37
  84. [84] §3-37
  85. [85] §3-37
  86. [86] §3-37
  87. [87] §3-37
  88. [88] §3-37
  89. [89] §3-37
  90. [90] §3-37
  91. [91] §3-37
  92. [92] §5-8
  93. [93] §5-8
  94. [94] §5-8
  95. [95] §5-8
  96. [96] §5-8
  97. [97] §5-4
  98. [98] §5-4-4
  99. [99] §5-4
  100. [100] §5-4
  101. [101] §5-5
  102. [102] §5-5-3
  103. [103] §5-5
  104. [104] §5-7-2
  105. [105] §5-7-2
  106. [106] §5-7
  107. [107] §3-37
  108. [108] §3-37

Research status

Publication gates

primary url presentpassedsource.primary_url = https://library.municode.com/ca/irvine/codes/zoning — canonical Municode-hosted Irvine Zoning Ordinance (not an aggregator domain); fallback_url = https://cityofirvine.org/community-development/zoning (city Community Development portal).
no aggregator citedpassedFull profile scanned: all citations point to Irvine Zoning Ordinance §-references, CA Government Code sections, federal CFR references, and city/state/federal government domains (library.municode.com, cityofirvine.org, hcd.ca.gov, leginfo.legislature.ca.gov). No Zoneomics, Steadily, SitePlanGuide, SitePlanCreator, Propwire, Zonara, or Unzoned references.
confidence tags full formpassedAll confirmed claims carry c§X-X.X or c§X.XX.XXX form (e.g., c§3-37, c§5-4, c§5-5, c§5-7, c§5-8, c§5-4-4). Partial claims carry p§ form with explicit note. Inferred claims where present are tagged and noted. Preemption entries cite GC §X and federal CFR / CA PUC references explicitly.
overlays have parameters trigger confidencepassed7/7 overlays have non-empty params object (≥2 keys each), explicit geographic_trigger string, status, and citation. 6/7 status=confirmed; 1/7 (Golf Course) status=partial with reason noted. RRMU Overlay (NEW 2024) added with confirmed status and full parameter block. JWA-AELUP includes aluc_override_2024 flag documenting the 2024-08-13 City Council override action.
preempt section city specificpassedstate_preemptions_applicable[] contains 8 per-law CA entries (ADU, SB 9, Density Bonus, AB 2097, SB 423, AB 2011, Builder's Remedy, SB 10). Each carries qualifying_condition_checked narrative specific to Irvine (Irvine Station transit hub, general-law-city status, Historic District exclusion, San Joaquin/Lomas de Santiago VHFHSZ, San Diego Creek SFHA, SCAG 6th-cycle RHNA 23,610 units, HCD certification 2022-05-24, RRMU Overlay 2024 as Housing Element implementation). SB 423 marked under_review with retrieval_failure_reason (HCD JS-rendered dashboard) per paired-field discipline. Builder's Remedy marked not_applicable with paired reason field per paired-field discipline.

Data quality

58%completeness24 confirmed62 partial12 inferred
Documented gaps
  • Planning Area-specific dimensional standards (65+ PAs × 7+ parameters) not extracted — all base district values are CATEGORY-LEVEL typical ranges rather than PA-specific confirmed numbers. This is the single largest data gap for Irvine and reflects the city's PA-based regime.
  • RRMU Overlay focus area boundary maps (three TOD areas) not fully retrieved — IBC Focus Area confirmed; other two focus areas require direct General Plan Land Use Map reference.
  • Hillside Overlay (§5-4) specific grading / height / coverage parameters not extracted.
  • Historic District (§5-5) specific districts and properties not enumerated.
  • Landfill Overlay (§5-7) buffer distances and specific prohibited uses not extracted.
  • Category 3.1 Multi-Use dimensional standards not retrieved; assumed to vary significantly by PA.
  • SB 423 tier determination (exempt / 10% / 50%) marked under_review pending HCD JS-rendered dashboard retrieval.
  • Great Park (PA 51 / category 1.9) Neighborhoods Specific Plan dimensional standards not captured as a separate overlay entry on this pass — could be promoted in future revision.

Known issues

cohort:needs-dom-retrievalfreshness:volatileblocker:hcd-ca-govdata:gaps-present

Verification

last_verified_at2026-04-19T08:03:40Z
verifier_specialist09-verification-pass
verifier_version1.0
verification_resultpassed
atomic_claims_checked42
atomic_claims_passed39
atomic_claims_failed0
atomic_claims_under_review1
atomic_claims_partial2
failed_claims
under_review_claimsstate_preemptions_applicable[CA-SB423].applies — HCD tier dashboard retrieval blocked
partial_claimsBase district dimensional standards are CATEGORY-LEVEL typical ranges rather than PA-specific confirmed numbers (Irvine PA system limitation); RRMU Overlay focus area boundaries — only IBC Focus Area confirmed; other two focus areas require direct General Plan reference
narrative_refnarratives/irvine-ca/fleet-20260419T080340-7.json

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