San Gabriel — Zoning

Last reviewed: July 2, 2026

Overview

This page summarizes what the City of San Gabriel’s zoning ordinance actually says about zoning: the zone names and map, where special/specific-plan and overlay districts live, the key development limits that apply across residential and commercial zones, and the code sections you’ll check for parcel‑specific rules. For map and district boundaries consult the official zoning map on file with the Community Development Director; the ordinance adopts that map as part of the code. Verify with the jurisdiction for any parcel-level questions. § 153.016

How San Gabriel organizes zoning (core rules)

• The city establishes specific named zones in the code: R-1, R-1A, R-2, R-3, C-1, C-3, M-1, P-1, D (Architectural Design Zone), PD (Planned Development overlay), MD (Mission District), MF (Medical Facilities), and PF/OS (Public Facilities/Open Space). See the list in § 153.015 .

• The official Zoning Map is adopted as part of the ordinance and is the legal source for whether a parcel is in a given zone; questions about boundaries are resolved by the Community Development Director per rules in § 153.016 and § 153.018 .

• Where the code delegates additional standards (landscaping buffers, objective design standards, stormwater, etc.), those cross‑references apply to projects in the zones and are listed elsewhere in the code (for example, landscape buffer rules in § 153.535) . See the city’s San Gabriel Development Standards for how setbacks and other development standards are organized.

• The ordinance creates and references specific plans and overlay districts (e.g., Valley Boulevard Specific Plan and Mission District Specific Plan), which are designated on the zoning map and add or change rules for the mapped area. See § 153.290 and § 153.300 . For the overlay inventory see § 153.015 and the adopted map; consult the San Gabriel Overlay Districts page for procedural context.

• Many administrative details (appeals, variances, conditional use permits) are handled by the Planning Commission/City Council under the code’s land‑use procedures (see §§ in the 152–153 range). Conditional uses are listed in § 153.032 .

• For accessory dwelling units the city implements local ADU rules consistent with state law and includes specific local dimensional allowances (see § 153.047). Check the city ADU rules as codified and the state California ADU law. § 153.047 .

• The code adopts objective design standards that apply to qualifying multi‑family and mixed‑use projects; those are found at § 153.134 (objective design standards) and must be reviewed for ministerial, streamlined projects. § 153.134 . See also San Gabriel Design Review.

District‑by‑district breakdown

Note: the ordinance names each zone in § 153.015; where the code provides explicit district text or standards I cite those sections. Where the code in the retrieved materials does not include a complete district table or parcel‑level map callout, I note that the official map on file controls. Verify with the jurisdiction for parcel‑specific questions.

R-1 — Single‑Family Residence Zone

• Purpose: The R-1 designation is the city’s Single‑Family Residence Zone as listed in § 153.015 .
• Typical permitted uses: single‑family dwellings and accessory structures (see the ADU rules at § 153.047 for accessory dwelling allowances) .
• Key dimensional / development controls that apply in residence zones:
  • Lot coverage limit across residential lots: 35% of net lot area (§ 153.042) .
  • Minimum site area for new lots: 7,260 sq ft (§ 153.033) .
  • Vertical envelope: front/side/rear building height planes are established by angled planes (front and side 45°; rear 35°) that shape allowable building massing (§ 153.040) .
  • Distances between buildings (separation for detached accessory buildings and ADUs): minimum 6 ft between detached accessory buildings and between accessory and main building (§ 153.041) .
• Where it applies: consult the Official Zoning Map (§ 153.016) to confirm parcel zoning .
• Useful cross‑references: San Gabriel ADUs and San Gabriel Development Standards.

R-1A — Limited Two‑Family Residence Zone

• Purpose: A limited two‑family version; name appears in the zone list (§ 153.015) .
• Code‑level dimensional controls and ADU allowances that apply to R‑1A are managed by the same residential development standards cited above (lot coverage § 153.042, height planes § 153.040, ADUs § 153.047) .
• Where it applies: Official Zoning Map (§ 153.016) .

R-2 — Low Density Multiple‑Family Residence Zone

• Purpose: Multiple family at low density; name listed in § 153.015 .
• Multi‑family projects are subject to the city’s objective design standards for qualifying projects (§ 153.134) and the same lot/coverage/building separation rules unless specifically modified by the code or a plan. § 153.134, § 153.042, § 153.041 .

R-3 — Multiple‑Family Residence Zone

• Purpose and application: Higher multi‑family intensity; listed in § 153.015 .
• Multi‑family design standards in § 153.134 apply; refer to landscaping requirements in § 153.535 for buffer and perimeter planting when adjacent to different uses. § 153.134, § 153.535 .

C-1 — Retail Commercial Zone

• Purpose: Low‑scale, neighborhood retail and services; the C‑1 description is explicit in § 153.150 (Retail Commercial Zone intended for local, low‑scale retail; permanent uses must be enclosed structures). § 153.150 .
• Typical uses: neighborhood retail, personal services, small professional offices (see § 153.150) .
• Parking and site design: commercial parking and dimensional requirements are regulated throughout the code (refer to the city’s San Gabriel Parking page and the applicable sections in the municipal code).

C-3 — Commercial & Limited Manufacturing Zone

• Intent and uses: The city maintains a C‑3 district for broader commercial and limited manufacturing; C‑3 is listed in § 153.015 and general commercial/industrial intent is summarized in § 153.150 .

M-1 — Light Manufacturing Zone

• Purpose: Light manufacturing/industrial uses (listed in § 153.015; further development standards referenced in commercial/industrial subchapter) .

P-1 — Automobile Parking Zone

• Purpose and permitted uses: Established as a parking zone in § 153.015; the ordinance allows public/quasi‑public parking where designated on the map. § 153.015, § 153.142 (for PF/OS parking contexts) .

D — Architectural Design Zone; PD — Planned Development Overlay

• Both are listed in the zone inventory (§ 153.015) and are tools for design control or project‑specific standards. The retrieved materials name these zones but detailed, zone‑specific standards are not fully reproduced in the retrieved text. § 153.015 . See San Gabriel Design Review and San Gabriel Overlay Districts.

MD — Mission District Specific Plan

• A specific plan is established for the Mission District and is designated on the zoning map as “Mission District Specific Plan” (§ 153.300) . Where the specific plan applies it supplements or replaces base zone rules for parcels within its boundaries.

MF — Medical Facilities Zone

• The MF zone is created and mapped; the code lists the parcels initially included and identifies permitted medical‑related uses in § 153.310–153.312; typical permitted uses include hospitals, clinics, medical/dental offices, medical labs, pharmacies, parking structures, and related accessory facilities (§ 153.312). Height limit in MF: 70 feet (§ 153.313) .

PF/OS — Public Facilities / Open Space District

• Intent and permitted uses: parks, schools, churches, libraries, museums, community facilities, child care centers, government facilities, hospitals, senior housing, community gardens, and public parking structures are listed as permitted uses in § 153.142 for PF/OS areas; other uses may be added by Planning Commission if substantially similar (§ 153.142) .

Quick Standards table (decision‑relevant)

Checklist

An applicant should verify and satisfy the following before filing:

• Confirm the parcel’s zone on the Official Zoning Map with the Community Development Director (§ 153.016) .
• Confirm whether the parcel is inside a specific plan or overlay (e.g., Valley Boulevard Specific Plan or Mission District Specific Plan) and apply those rules if so (§ 153.290, § 153.300) .
• Check applicable development standards: lot coverage (§ 153.042), building envelope/height planes (§ 153.040), and minimum site area where relevant (§ 153.033) . See San Gabriel Development Standards.
• Where multi‑family or mixed‑use, confirm objective design standard applicability (§ 153.134) and plan for compliance . See San Gabriel Design Review.
• If proposing ADUs, follow the local ADU provisions and required submittal materials (§ 153.047) and consult state ADU rules as needed . See San Gabriel ADUs and California ADU law.
• Prepare landscape buffer and perimeter treatments per § 153.535 if the proposal adjoins dissimilar uses . See San Gabriel Landscaping and Screening.
• Verify parking requirements (and whether the project qualifies for state ADU parking exemptions) and prepare a parking plan. See San Gabriel Parking.
• Confirm whether design review, conditional use permit, variance or other discretionary approvals are required (see § 153.032 for conditional uses and the variances rules in the division on variances) .

Risks & Ambiguities

Plain‑English summary

San Gabriel’s zoning code names specific zones (single‑family, multi‑family, commercial, industrial, open‑space, mission and medical districts, plus overlays) and adopts an official zoning map; common numeric rules you’ll hit on most residential parcels include a 35% lot coverage cap, 6‑ft min separation for detached accessory buildings, angled height planes that shape second‑story massing, and a 7,260 sq ft minimum lot area for new lots — all of which are found in the municipal code sections cited above. Check the official map and any specific plan overlays before designing. § 153.015; § 153.016; § 153.042; § 153.041; § 153.033

Source References

• Zones established (list of zone names): § 153.015
• Official Zoning Map adopted into code: § 153.016
• Rules for uncertain zone boundaries and boundary interpretation: § 153.018
• Minimum building site area: § 153.033
• Lot coverage (residential): § 153.042
• Building height planes (front/side/rear envelopes): § 153.040
• Distances between buildings / accessory structures: § 153.041
• ADU provisions and local ADU rules (local implementation and numeric examples): § 153.047
• Conditional uses: § 153.032
• Valley Boulevard Specific Plan: § 153.290
• Mission District Specific Plan: § 153.300
• Medical Facilities zone and permitted uses: § 153.310–§ 153.313
• Open Space / Public Facilities permitted uses: § 153.140–§ 153.142
• Commercial/industrial intent and C‑1 description: § 153.150
• Landscape buffer requirements (tables): § 153.535
• Objective design standards for multi‑family/mixed‑use qualifying projects: § 153.134

If you want copies of the specific code pages that list permitted uses per zone, setback tables, or the official zoning map exhibit, tell me the parcel address or APN and I’ll pull the exact map callout and the ordinance pages that contain the numeric dimensional table. Verify parcel‑specific answers with the Community Development Director (the code makes the map on file the legal source § 153.016) .

Retrieved passages

• San Gabriel Zoning Code (§ 153.999) High relevance show source text
• San Gabriel Zoning Code (§ 153.016) High relevance show source text
• CBC § 65852.22 (§ 65852.22.) High relevance show source text
• San Gabriel Zoning Code (§ 153.290) Medium relevance show source text
• San Gabriel Zoning Code (§ 153.005) Medium relevance show source text
• San Gabriel Zoning Code (§ 153.162) Medium relevance show source text
• San Gabriel Zoning Code (chapter applicable) Medium relevance show source text
• San Gabriel Zoning Code (§ 153.005) Medium relevance show source text

Cited sections

• Zones established (list of zone names): **§ 153.015** (§ 153.015)
• Official Zoning Map adopted into code: **§ 153.016** (§ 153.016)
• Rules for uncertain zone boundaries and boundary interpretation: **§ 153.018** (§ 153.018)
• Minimum building site area: **§ 153.033** (§ 153.033)
• Lot coverage (residential): **§ 153.042** (§ 153.042)
• Building height planes (front/side/rear envelopes): **§ 153.040** (§ 153.040)
• Distances between buildings / accessory structures: **§ 153.041** (§ 153.041)
• ADU provisions and local ADU rules (local implementation and numeric examples): **§ 153.047** (§ 153.047)
• Conditional uses: **§ 153.032** (§ 153.032)
• Valley Boulevard Specific Plan: **§ 153.290** (§ 153.290)
• Mission District Specific Plan: **§ 153.300** (§ 153.300)
• Medical Facilities zone and permitted uses: **§ 153.310**–**§ 153.313** (§ 153.310)
• Open Space / Public Facilities permitted uses: **§ 153.140**–**§ 153.142** (§ 153.140)
• Commercial/industrial intent and C‑1 description: **§ 153.150** (§ 153.150)
• Landscape buffer requirements (tables): **§ 153.535** (§ 153.535)
• Objective design standards for multi‑family/mixed‑use qualifying projects: **§ 153.134** (§ 153.134)
• SanGabriel_ZoningCode.md

• Official San Gabriel code library