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Los Angeles County — Zoning

Zoning under the Los Angeles County local zoning and planning code, with the controlling citations.

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Last reviewed: July 3, 2026

Overview

Los Angeles County's zoning rules are codified in Title 22 — Planning and Zoning and apply only to the County's unincorporated areas. Title 22 establishes the basic zones (residential, commercial, industrial, agricultural/open-space, and special-purpose), combining and supplemental districts, specific plans, and the procedures for map changes, permits, and discretionary review that shape what can be built where in unincorporated Los Angeles County (§ 22.02.010; § 22.06.010).

This page summarizes the zoning framework in plain-English and points to the most decision‑relevant standards an applicant or homeowner should check before designing a project.

How Title 22 structures zoning in unincorporated Los Angeles County

  • Title 22 divides unincorporated land into basic zones (e.g., R-1, C-2, M-1, A-1) and allows combining/supplemental districts to modify or add rules for specific parcels (§ 22.06.010; § 22.06.030; § 22.06.040).
  • The County uses a formal Zoning Map and may create or amend combining zones and zoned districts via zone change procedures (§ 22.48.020; § 22.198.050).
  • Many unincorporated communities are also governed by Specific Plans, Planning Area Standards Districts (PASD), or Community Standards Districts (CSD) that supersede base zones in those areas (§ 22.402; Division 10).

Practical note: before assuming a neighborhood standard (e.g., front yard depth), always verify the zoning map and any applicable CSD / PASD / Specific Plan for the parcel (§ 22.300.020).

District‑by‑district (key Countywide zones)

Below are the Countywide zone groups in Title 22. Each subsection gives the primary purpose, typical permitted uses, key dimensional standards where the Code specifies them, and where the zone commonly applies. Bolded zone symbols are the exact county code abbreviations.

Residential Zones — (§ 22.18.020; § 22.18.030)

Purpose: Provide gradations of residential density and appropriate accessory uses for single‑ and multifamily living (§ 22.18.020).

Typical permitted uses:

  • R-A (Residential Agricultural): low‑density homes with small‑scale agriculture uses (see Table references in Chapter 22.18). § 22.18.020.
  • R-1 (Single‑Family Residence): single‑family homes and customary accessory uses; subject to development standards in Chapter 22.18. § 22.18.030.
  • R-2 through R-5 escalate allowed densities and multifamily types; RPD is the Residential Planned Development zone for flexible design. § 22.18.020–030.

Key dimensional/permit notes:

  • Base development standards and permit requirements for R zones are set in Chapter 22.18 and the general Development Standards Division (Division 6). See specific frontage/lot size rules (e.g., required area/width rules in § 22.110.140) and yard rules in Chapter 22.110.
  • Where Community Standards Districts apply they may impose different front‑yard depths, height limits, or lot width rules (example: East Pasadena CSD Table and R‑zone rules) — those CSD tables supersede base zone standards within their boundaries (§ 22.320.110).

Practical: If you’re looking to build an accessory dwelling unit (ADU), read your base R‑zone rules and the County ADU provisions; ADUs are subject to state ADU law plus County ADU implementation (check Title 22 cross‑references). Verify setbacks and parking exemptions early. See also the County's Development Standards page for how the rules translate into design checks.

Commercial Zones — C‑1, C‑2, C‑3, C‑H, C‑M, C‑MJ, C‑R, CPD (§ 22.20.020; § 22.20.040)

Purpose: Provide for neighborhood, general, highway‑oriented, and regional commercial services; C‑MJ is for major commercial centers (§ 22.20.020–040).

Typical permitted uses:

  • C‑1: restricted, low‑impact retail and services (local conveniences). § 22.20.020.
  • C‑2: neighborhood commercial — small grocers, personal services. § 22.20.020.
  • C‑3 / C‑M / C‑MJ: larger retail, mixed‑use, hotels, recreation, and manufacturing‑adjacent uses (see Table 22.20.030‑B). § 22.20.030.

Key dimensional standards (summary):

  • Maximum lot coverage generally up to 90% for many commercial zones and maximum heights vary by zone: 35 ft typical for C‑1/C‑2; special rules allow higher heights in C‑MJ (up to 65–75 ft with permits) (§ 22.20.040 Table; § 22.20.050).
  • Yard depths and interior setbacks are set in § 22.20.050 (see Table 22.20.050‑A).

Where it applies: commercial corridors, neighborhood centers, and highway frontage in unincorporated communities. Mixed‑use design standards and pedestrian orientation requirements appear in local Specific Plans where applicable (see Florence‑Firestone TOD examples). § 22.418.

Design guidance: commercial projects are subject to parking rules in Chapter 22.112 — consult the County Parking guidance early.

Industrial Zones — M‑1, M‑1.5, M‑2, M‑2.5, M‑3, MPD (§ 22.22.010–030)

Purpose: Accommodate light to heavy industrial activities while protecting nearby sensitive uses; M‑2.5 is specific to aircraft/heavy industrial uses (§ 22.22.010).

Typical permitted uses:

  • M‑1: light manufacturing, repair, wholesale, and employee‑serving retail. § 22.22.020.
  • M‑2 / M‑2.5: heavy manufacturing, freight, airport‑related uses — may prohibit sensitive uses and require additional findings/conditions (M‑2.5) (§ 22.22.030; § 22.22.080).

Key standards:

  • Use tables and permit requirements are in Table 22.22.030‑B and related development standard sections, including special performance standards for M‑2.5; new sensitive uses adjacent to industrial uses must comply with Chapter 22.134.

Where it applies: industrial districts, port/airport buffer areas, and planned industrial parks in unincorporated zones.

Agricultural, Open Space, Resort & Watershed Zones — A‑1, A‑2, O‑S, R‑R, W (§ 22.06.010; Chapter 22.16)

Purpose: Protect agricultural operations, open space, watershed areas, and low‑intensity recreation. § 22.06.010 Table.

Typical permitted uses:

  • Farming, limited camp/recreation, conservation, watershed management; many uses have minimum lot size thresholds and special operational limits in Chapter 22.16 (see table notes in Chapter text).

Key standards:

  • Minimum lot sizes are zone‑specific (the Code sets default required areas and lists special minimums in Chapter 22.06 and Chapter 22.16). Verify the lot‑size number following the zone symbol or the default in § 22.06.060 and § 22.110.140.

Special Purpose and Mixed‑Use / Specific Plan Zones — IT, MXD, SP, P‑R, TOD / Specific Plans (§ 22.26, 22.52, 22.418, Division 10)

Purpose: Institutional uses, Planned Development, Mixed‑Use overlays, and site‑specific rules through Specific Plans (e.g., Florence‑Firestone TOD — Chapter 22.418) apply where the County or community wants different standards than the base zones (§ 22.418.010 and related tables).

Typical permitted uses and key standards:

  • Specific Plans create new zone labels (e.g., MU‑1, RLM‑1, RM, IX) and list permit types and objective development standards for those areas (see Table 22.418.010‑A and associated development standard tables). § 22.418.010–090.

Combining & Supplemental Districts; Special Management Areas — (§ 22.06.030–040; § 22.06.050)

  • Combining zones (e.g., “‑BE”, “‑DP”, “‑P”, “‑IP”, “‑GZ”) are appended to a base zone and add or exclude uses or standards (see Table 22.06.030‑A). § 22.06.030.
  • Supplemental districts (e.g., Setback District, Noise Insulation, Historic District (HD)) supersede or add to base zone rules as listed in Table 22.06.040‑A. § 22.06.040.
  • Special Management Areas like HM (Hillside Management) and SEA (Significant Ecological Area) also overlay parcel rules and may change development standards. § 22.06.050.

Check the County's Overlay Districts and the Code's combining district tables before assuming base‑zone allowances.

Quick reference table — selected, decision‑relevant standards and code references

Zone / Topic Typical cap or rule (decision‑relevant) Code Reference
R‑1 (single‑family) — base standards Required area and yard rules referenced in Chapter 22.18 and Chapter 22.110 (lot area defaults such as R‑1‑5000 when no number follows). § 22.18.020; § 22.110.140.
C‑2 (neighborhood commercial) — lot coverage/height Max lot coverage 90%; typical height 35 ft; landscaping 10% of lot. § 22.20.040 (Table).
C‑MJ (major commercial) Height up to 65 ft (75 ft with CUP); special mixed‑use rules. § 22.20.040; § 22.20.050.
M‑1 (light manufacturing) Light industrial/employee‑serving retail allowed; some equipment specifically prohibited. § 22.22.010–030; § 22.22.070.
Combining zone ‑BE Prohibits new outdoor advertising when combined with commercial/industrial base zones. § 22.50.020–030.
Specific Plans / TOD zones (example) New zone labels (e.g., MU‑1, RM, RLM‑1) with their own objective standards and maps — must consult Chapter 22.418 for Florence‑Firestone. § 22.418.010–090.

How permitting and review fit into zoning

  • Many uses are ministerial; others require discretionary approval (Conditional Use Permit, Minor CUP, Variance, Site Plan Review). Table 22.224.030‑A assigns permit types (Type I–IV) to common permits — e.g., Lot Line Adjustments (Type I), Conditional Use Permits (Type III), Zone Changes (Type IV) (§ 22.224.030).
  • Zone changes require findings including consistency with the General Plan and adequate water/safety considerations (§ 22.198.050).
  • Development standards can sometimes be modified through the appropriate discretionary process (e.g., Conditional Use Permit, Variance) but specific PASD/CSD rules may limit modifications (§ 22.300.020).

If your project triggers a discretionary permit, expect public notices and possible hearings before the Hearing Officer, Commission, or Board depending on the permit type. See the County's Design Review and Variances and Exceptions pages for process context.

Checklist — what an applicant must satisfy before development in unincorporated LA County

  • Verify the parcel's base zone and any combining/supplemental districts on the County Zoning Map (Zoning Map / Zone Change rules: § 22.48.020; § 22.198.050).
  • Confirm whether a Specific Plan / PASD / CSD overrides the base zone for your parcel (§ 22.300.020; Division 10).
  • Check permitted uses and required permit type in the appropriate Chapter (e.g., Chapter 22.18 for R zones, 22.20 for commercial, 22.22 for industrial) and Table(s) of principal uses (§ 22.18.030; § 22.20.030; § 22.22.030).
  • Assemble objective development checks: lot area/width (see § 22.110.140), yard setbacks and heights (Division 6 and chapter‑specific tables), coverage, landscaping minimums, and parking requirements (Chapter 22.112).
  • If a discretionary approval is required, prepare CEQA documentation, plan sets for Site Plan Review or CUP, and consult the appropriate referral agencies (Fire, Public Works) — application type matrix is in § 22.224.030.
  • Where overlays (e.g., Green Zone, HM, SEA) apply, confirm more restrictive provisions (Chapter 22.84 and § 22.300.020 notes).
  • For adaptive reuse, lot consolidation, or density bonus/inclusionary housing, consult Chapters 22.120–22.121 and any Specific Plan incentives (e.g., lot consolidation incentives in Chapter 22.418).

Risks & Ambiguities

Issue Why it matters What to verify
Specific Plan / CSD overrides base zone Standards in a Specific Plan or CSD can supersede Title 22 base zone standards. Confirm whether the parcel sits in a Specific Plan, PASD, or CSD and read the corresponding chapter (e.g., Chapter 22.418 for Florence‑Firestone). § 22.300.020.
Parcel‑specific lot area/width exceptions “Numbers following the zoning symbol” change required minimum lot area or width (e.g., R‑1‑5000). Check the zoning symbol on the Zoning Map and § 22.06.060 and § 22.110.140 for how required area/width is computed.
Combining / Supplemental districts not obvious on aerials Combining zones (‑BE, ‑DP, etc.) and supplemental districts can prohibit or add uses. Inspect the Zoning Map legend and Table 22.06.030‑A / 22.06.040‑A; if in doubt, “Verify with the jurisdiction.” § 22.06.030–040.
Infrastructure, fire water, or airport contours affecting approvals Zone Change and some permits require findings about water and fire protection; airport noise/AIAs affect residential approvals. For zone changes, see the required findings in § 22.198.050; for residential in an Airport Influence Area, see noise/insurance and Chapter references (22.76 etc.). Verify with Fire and Public Works.
Nonconforming uses or structures Nonconforming provisions determine whether an existing use can continue or be altered. Check Chapter 22.172 (Nonconforming Uses, Buildings and Structures). If the record is unclear, Verify with the Department.

Plain‑English summary

Los Angeles County's zoning (Title 22) divides unincorporated land into named zones (e.g., R‑1, C‑2, M‑1) with tables that list allowed uses, required permits, setbacks, heights, and lot standards; combining districts and Specific Plans often change those base rules, so always check the parcel's zoning symbol on the County Zoning Map and the corresponding Title 22 chapter before designing a project (§ 22.06.010; § 22.18; § 22.20; § 22.22).

Source References

  • Title 22 — PLANNING AND ZONING (Los Angeles County Code): § 22.02.010 (Title); § 22.02.030 (Applicability).
  • Chapter 22.06 — Zones, Zoned Districts, and Zoning Map: § 22.06.010 (Zones established); § 22.06.030 (Combining Zones); § 22.06.040 (Supplemental Districts); § 22.06.060 (Zoned Districts Established).
  • Chapter 22.18 — Residential Zones: § 22.18.020 (Residential Zones designated); § 22.18.030 (Land use regulations).
  • Chapter 22.20 — Commercial Zones: § 22.20.020 (Commercial Zones designated); § 22.20.040 (Development Standards table); § 22.20.050 (Yard rules).
  • Chapter 22.22 — Industrial Zones: § 22.22.010 (Purpose); § 22.22.020 (Industrial zones designated); § 22.22.030 (Land use regulations).
  • Division 6 / Development Standards and lot requirements: § 22.110.140 (Required area/width rules), yard and projection rules in Chapter 22.110.
  • Combining, overlays, and specific plans: Chapter 22.48 (Combining Zones); Chapter 22.52 (Development Program Zone); Chapter 22.418 (Florence‑Firestone TOD Specific Plan examples).
  • Permits and review types (Table 22.224.030‑A): § 22.224.030 (Permits and reviews assigned a Type Review).

Note: The above citations reference material retrieved from the Title 22 Planning and Zoning Code print export included in the provided materials. For parcel‑specific conclusions (exact setbacks, allowed uses, or special district overlays), verify with the County Department of Regional Planning and consult the official Zoning Map. Not found in retrieved materials: an exact live URL for the County's Zoning Map image file; Verify with the jurisdiction.

Sources

Retrieved passages

  • Los Angeles County Zoning Code (§ 1) Medium relevance
  • Los Angeles County Zoning Code (§ 22) Medium relevance
  • Los Angeles County Zoning Code (Section 22.140.585.F.18) Medium relevance
  • Los Angeles County Zoning Code (Title 22.) Medium relevance
  • Los Angeles County Zoning Code (§ 1) Medium relevance
  • Los Angeles County Zoning Code (Title 21) Medium relevance
  • Los Angeles County Zoning Code (§ 4) Medium relevance
  • Los Angeles County Zoning Code (§ 1) Medium relevance
  • Los Angeles County Zoning Code (§ 9) High relevance
  • Los Angeles County Zoning Code (§ 7) High relevance
  • Los Angeles County Zoning Code (Chapter 22.134) High relevance
  • Los Angeles County Zoning Code (§ 1) Medium relevance
  • Los Angeles County Zoning Code (Chapter 22.120) Medium relevance
  • Los Angeles County Zoning Code (§ 9) Medium relevance
  • Los Angeles County Zoning Code (Section 22.02.050.B) Medium relevance
  • Los Angeles County Zoning Code (Section 22.140.350) Medium relevance
  • Los Angeles County Zoning Code (Chapter 22.134) High relevance
  • Los Angeles County Zoning Code (Section 22.418.090.C) High relevance
  • Los Angeles County Zoning Code (Section 22.418.090.E) High relevance
  • Los Angeles County Zoning Code (§ 1) High relevance
  • Los Angeles County Zoning Code (Chapter 22.112) High relevance
  • Los Angeles County Zoning Code (Title 22.) High relevance
  • Los Angeles County Zoning Code (Section 22.110.170.B.1.b) Medium relevance

Cited sections

Frequently asked questions

What can I build on an R‑1 lot in unincorporated Los Angeles County?

You can build uses allowed for R‑1 (single‑family) in Chapter 22.18 — primarily a single‑family dwelling and customary accessory uses; the specific permit/review required and setbacks follow Table and development standards in Chapter 22.18 and Division 6 (yard rules, parking). See § 22.18.020–030 and § 22.110.140 for lot area/width rules.

What are Los Angeles County setback requirements for residential zones?

Setbacks are governed by Chapter 22.110 (yards and projections) and zone‑specific standards in Chapter 22.18; some communities/CSDs specify different front‑yard depths (see example CSD tables). Check § 22.110.090 for projections and Chapter 22.18 for R‑zone table references — parcel‑level verification with the zoning map is required.

Do I need a Conditional Use Permit (CUP) for my planned commercial use?

Use tables in Chapter 22.20 list which commercial uses are Permitted, require CUP, or are prohibited; Table 22.20.030‑B shows permit types. If the table lists “CUP” for your use in that zone you must apply under Chapter 22.158. See § 22.20.030 and Table 22.224.030‑A for processing type.

How does the County zoning map treat combining or overlay zones?

Combining and supplemental districts (e.g., ‑BE, DP, Setback Districts, HD) are shown on the Zoning Map and are established in Table 22.06.030‑A and 22.06.040‑A; when combined they modify the base zone’s rules (the letters follow the base zone on the map). See § 22.06.030–040 and § 22.48.020 for establishment on the Zoning Map.

Where do I find parking requirements for a new commercial or multifamily project?

Parking is regulated in Chapter 22.112 (Parking). Title 22’s zone chapters reference Chapter 22.112 for required parking and any specific deviations or shared‑parking rules may be found in the applicable Specific Plan or zone section (e.g., some Specific Plans have special parking rules). See Chapter 22.112 and zone tables for exact ratios.

Can a Specific Plan change the base zone standards for my parcel?

Yes. Specific Plans and Planning Area / Community Standards Districts can supersede base Title 22 standards for the geographic area they cover. Division 10 and Chapter 22.418 (example: Florence‑Firestone TOD) explain that Specific Plan standards prevail where they conflict with Title 22. See § 22.300.020 and Chapter 22.418.

What happens if my existing building doesn’t meet current zoning (nonconforming)?

Nonconforming uses, buildings, and structures are governed by Chapter 22.172; that chapter explains what maintenance, repairs, or expansions are allowed and when uses are considered abandoned. Check Chapter 22.172 and consult the Department if your situation is unclear.

How are lot area and width required values determined for a zone without a number?

When no number follows the zoning symbol, the Code specifies defaults (for example many R zones default to the same as R‑1‑5000) — see § 22.06.060 and § 22.110.140 for the computation of required area and width. If a numeric suffix appears (e.g., R‑1‑7000), that numeric value controls. § 22.06.060; § 22.110.140.

Do I need design review for my project in unincorporated Los Angeles County?

Some projects are subject to ministerial Site Plan Review (Chapter 22.186) or to discretionary design review in Specific Plans or PASDs; review type is listed in Table 22.224.030‑A. Always check your zone’s Table of permitted uses and the applicable Specific Plan or CSD. § 22.224.030; § 22.186.

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