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Los Angeles County — Land Use

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

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Last reviewed: July 3, 2026

Overview

Land use in Los Angeles County's unincorporated areas is regulated by the County Zoning Ordinance, Title 22 (Planning and Zoning) — often called the "Zoning Code" — which defines zones, permitted and conditional uses, and development standards for unincorporated property § 22.02.010 and § 22.02.030 . The code uses base zones (R-, C-, M-, IT, etc.), Specific Plans and Planning Area / Community Standards Districts that can supersede base rules; applicants must check both the base zone and any overlay or specific-plan rules that apply § 22.300.020 and § 22.46.090 . For quick navigation see the County's main Los Angeles County Zoning overview.

This page summarizes how Title 22 treats permitted uses, conditional uses, and the land-use tables that control what may be built in unincorporated Los Angeles County and where to look first.

Note on terminology: everything below applies only to the County's unincorporated areas; incorporated cities inside the County use their own codes § 22.02.030.A.1 .

How to read the code (quick)

  • "Permitted" = allowed by-right or via ministerial review per the zone's table (see § 22.18.030 for residential tables and permit types) .
  • "Conditional" = requires a Conditional Use Permit (CUP) (Chapter 22.158) or other discretionary review as indicated in the zone's land-use table § 22.18.030 and many zone-specific sections .
  • Specific Plans / PASD / CSD rules can override base zones — check the Specific Plan text and the Title 22 cross-references § 22.46.090 and § 22.300.020 .
  • Parking, setbacks, and design controls are separate chapters — check the County Parking and Los Angeles County Development Standards pages, and anticipate design review where listed in a specific zone or plan (see Los Angeles County Design Review).

District-by-district breakdown (representative, code citations included)

Below are representative zones and specific-plan districts that are commonly relevant to land-use decisions in unincorporated Los Angeles County. For each district the “Code Reference” line points to the controlling Title 22 sections in the retrieved ordinance.

Residential Zones (R-1, R-2, R-3, R-4, R-5) — Base Residential Rules

Purpose: accommodate single- through high-density residential uses across the unincorporated County; rules for permitted/conditional uses, yards, height, and other standards are organized in the residential chapter § 22.18.020–22.18.050 .

Typical permitted uses: single-family dwellings in R-1, duplexes in R-2, multi-family in R-3–R-5 (per the specific zone) — land-use tables list permit types (P, C, AP, SPR, etc.) § 22.18.030 .

Key dimensional standards (examples drawn from the tables):

  • Front yard (R-1): 20 ft minimum § 22.18.040 (Table 22.18.040-A) .
  • Maximum height (R-1, R-2, R-3): typically 35 ft § 22.18.040.D.1 .
    Where it applies: countywide for parcels zoned R-*, but Specific Plans / CSDs / PASDs may modify standards § 22.300.020 .

Code reference: § 22.18.020–22.18.050 .

CSLA Specific Plan — CSLA R-1 and CSLA R-3 (examples from Connect Southwest LA specific plan)

Purpose: tailored residential standards for the CSLA area; Specific Plan zones like CSLA R-1 or CSLA R-3 apply area‑specific development controls and land‑use tables § 22.416.040 and § 22.416.060 file.

Typical permitted uses:

  • CSLA R-1: single-family (duplexes and small developments up to 9 du/ac); multifamily generally prohibited in CSLA R-1 § 22.416.040 .
  • CSLA R-3: multiple units up to 30 du/ac; accessory and public uses as listed § 22.416.060 .

Key dimensional standards (representative):

  • CSLA R-1 density: 1–9 du/ac; front setback example 15 ft as a minimum in the plan (Table 22.416.040-B) § 22.416.040.C.1 .

Where it applies: defined CSLA Specific Plan area — Specific Plan regulations supersede base Title 22 where inconsistent § 22.416.030 and § 22.46.1030 file.

Zone M-1 / M-1.5 / M-2 / M-2.5 (Manufacturing & Industrial) — Industrial Zones

Purpose: separate light to heavy industrial uses from residential and sensitive uses; Zone M-2.5 is especially for aircraft/heavy industrial uses § 22.22.020–22.22.030 file.

Typical permitted uses and restrictions:

  • M-1 (Light Manufacturing): many manufacturing/support uses allowed but heavy equipment (punch presses >20 tons, drop hammers) may be restricted § 22.22.070 .
  • M-2.5 (Aircraft/Heavy Industrial): intended for airport and heavy uses; additional CUP findings, conditions, and covenants required for compatibility § 22.22.080 .

Key dimensional / process standards:

  • Special findings and recorded covenants are required in M-2.5 when a CUP is granted to ensure protection of aircraft/heavy industrial operations § 22.22.080.C .

Where it applies: locations County‑wide where industrial zoning is adopted; some community plans further modify use lists (see Florence-Firestone and other PASDs) § 22.418.010 .

Code reference: § 22.22.020–22.22.090 (see Table 22.22.020-A and Section 22.22.030) file.

Zone IT (Institutional / Public Facilities)

Purpose: accommodate government, public service, and institutional uses and to regulate coastal permit types where applicable § 22.44.1780 .

Typical permitted uses:

  • Government offices and services as the principal permitted use; accessory uses and some public facilities allowed, with many uses subject to administrative or minor Coastal Development Permits in coastal areas § 22.44.1780.A .

Key standards:

  • Administrative CDP requirement for many IT uses and design standards requiring minimized impacts on neighbors (noise, views, etc.) § 22.44.1780.A–E .

Where it applies: institutional parcels countywide and in specific plans / coastal sections where the Institutional (IT) zone is mapped § 22.44.1780 .

Santa Catalina Island Specific Plan — Residential III and Open Space/Conservation

Purpose: the Catalina-specific plan divides the island into land‑use districts (e.g., Residential III, Open Space/Conservation) with district-wide lists of principal permitted uses, accessory uses, and uses subject to additional permits, and it explicitly works with Title 22 (the Zoning Ordinance) § 22.46.090–22.46.1240 file.

Typical permitted vs. conditional uses (examples):

  • Residential III: principal permitted use is multiple-family structures up to 35 du/net acre; accessory uses allowed when in conjunction with primary use § 22.46.1220–22.46.1230 .
  • Open Space/Conservation: many resource-dependent and low-impact uses permitted; numerous uses require a Conditional Use Permit (Chapter 22.56 references) § 22.46.150–22.46.160 .

Key standards: district-specific height, setback, and permit thresholds are in the Specific Plan and take precedence where they conflict with the countywide Title 22 § 22.46.1030 .

Quick decision table (most decision-relevant permitted uses / standards)

Zone / District Most relevant permitted or conditional rules (summary) Code Reference
R-1 (Single-family) Single-family dwellings permitted; front yard 20 ft, typical height 35 ft; permit table and yard depths in residential chapter § 22.18.030–22.18.040 § 22.18.030; § 22.18.040 (Table 22.18.040‑A) file
CSLA R-1 (Specific Plan) County residential rules applied, but CSLA plan sets density 1–9 du/ac and plan-specific setbacks (e.g., front 15 ft) and landscaping rules § 22.416.040 (Tables 22.416.040‑A/B)
M-1 (Light manufacturing) Manufacturing and warehousing uses allowed; certain heavy equipment limited (e.g., punch presses >20 tons prohibited) § 22.22.030; § 22.22.070 file
M-2.5 (Aircraft/heavy industrial) Intended for aircraft/manufacturing; CUPs require special findings and recorded covenants to protect heavy uses § 22.22.080
IT (Institutional) Government offices permitted; many uses subject to administrative/minor/major Coastal Development Permits and design standards § 22.44.1780
Residential III (Catalina) Multi-family up to 35 du/net ac; accessory uses allowed only with primary use; other uses require CUP § 22.46.1220–22.46.1240
Coastal / Specific Plan overrides Specific Plan regulations supersede Title 22 where in conflict; coastal permits required per Chapter 22.56 § 22.46.1030; Chapter 22.56 (§ 22.56.2270–2280) file

Practical guidance (plain-English synthesis)

  • Start by confirming the parcel's mapped base zone and any Specific Plan / PASD / CSD overlays; the overlay/specific‑plan text frequently changes allowable uses and development standards (Specific Plans can override Title 22) § 22.300.020 and § 22.46.1030 file.
  • Read the zone's land‑use table (e.g., Table 22.18.030‑B for residential or the zone‑specific table in the applicable Specific Plan) to see whether your proposed use is Permitted, Conditional, or Prohibited § 22.18.030 and the zone-specific sections cited above .
  • If the use is conditional, prepare for the CUP findings/process in Chapter 22.158; if the parcel is inside the coastal zone, check Chapter 22.56 for Coastal Development Permit requirements § 22.56.2270–2280 .
  • Confirm parking and loading requirements (see the County Parking rules and Section 22.112 for design rules) § 22.54.040 and § 22.112.080 .
  • For accessory dwelling units (ADUs) see the ADU rules cross‑referenced in Title 22 — ADUs are handled under the County's specific ADU provisions and may be ministerial; review § 22.140.640 and applicable Specific Plan ADU rules (see County ADU guidance and California ADU law) § 22.300.020.B.3 .

Linking to related topics for county applicants: check the Los Angeles County Development Standards for setbacks and FAR, the County Parking rules for parking calculations, the Los Angeles County Design Review page for design requirements, the Los Angeles County Overlay Districts page for PASD/CSD/green-zone rules, California Building Standards Code (Title 24) when you prepare construction documents, and the California ADU law page for ADU-specific rules.

Checklist (what an applicant must satisfy before submitting)

  • Verify the parcel’s base zone and any Specific Plan / PASD / CSD / Supplemental Districts that apply § 22.300.020 .
  • Confirm proposed use status in the zone’s land-use table: Permitted, Conditional (CUP), or Prohibited § 22.18.030 or the zone‑specific section cited above .
  • If Conditional, prepare a CUP package consistent with Chapter 22.158 and zone-specific findings § 22.22.080, § 22.46.1240 where applicable file.
  • Determine parking & loading requirements and design standards (Title 22 parking chapters and § 22.112.080) and include in plans § 22.54.040 .
  • Check setbacks, heights, density and lot‑coverage standards in the relevant section (e.g., § 22.18.040 for residential; specific-plan tables for CSLA areas) file.
  • If in the coastal zone, determine Coastal Development Permit needs and include required submittals per Chapter 22.56 § 22.56.2270–2280 .
  • Confirm whether design review or historic‑preservation review applies (see zone/Special Plan sections and Los Angeles County Design Review and Los Angeles County Historic Preservation).
  • Verify whether ADU rules or state housing laws modify local rules (see § 22.300.020.B.3 and California ADU law) .

Risks & Ambiguities

Issue Why it matters What to verify
Conflicting rules between a Specific Plan and Title 22 Specific Plan provisions can supersede Title 22; relying on base-zone rules only may miss stricter special‑plan standards § 22.46.1030 Check the Specific Plan text and the zone map for the parcel; cite § 22.46.030–22.46.090 where the plan lists overrides § 22.416.030
Coastal Development Permit (CDP) applicability Coastal rules add permit types and public hearing requirements — missing a CDP can stop a project Chapter 22.56 (§ 22.56.2270–2280) Confirm coastal zone status and CDP exemptions/thresholds in Chapter 22.56
Parcel-specific overlays (PASD/CSD) PASDs and CSDs re-order regulatory hierarchy and modify standards; you could follow the wrong table otherwise § 22.300.020 Verify whether parcel is inside a PASD/CSD (maps) and read the area-wide vs. zone-specific standards § 22.300.020.A
Nonconforming uses and change-of-use rules A legally existing nonconforming use has special continuation and change rules; conversion/expansion may trigger CUP or amortization provisions § 22.46.560 and Chapter 22.172 references Establish lawful existing use dates and applicable nonconforming provisions in Chapter 22.172
Ambiguity on ministerial vs. discretionary review Some uses may be ministerial in one zone and discretionary in another (or in a Specific Plan) — wrong application type wastes time § 22.18.030 and specific plan permit tables file Confirm the permit/review column in the exact land‑use table for your zone/specific plan § 22.416.030

If anything is parcel‑specific or unclear, verify with County Planning staff — the code explicitly states to verify applicability and that code sections may be amended (see § 22.02.030.E) .

Plain-English Summary

If you own or are developing an unincorporated parcel in Los Angeles County, first check which Title 22 zone and any specific‑plan / overlay apply. The zone's land‑use table tells you whether your proposed use is permitted, needs a Conditional Use Permit, or is prohibited; specific plans and coastal rules often add additional permit requirements and standards, so always read the exact code sections that map to your parcel § 22.18.030, § 22.416.030, Chapter 22.56 filefile.

Source References

  • Title 22 — PLANNING AND ZONING (Los Angeles County Code): applicability and introductory provisions § 22.02.010 and § 22.02.030 .
  • Residential Zones: § 22.18.020–22.18.050 (zone designations, land-use tables, yard depths, heights) file.
  • CSLA Specific Plan zones (examples): § 22.416.030–22.416.060 (CSLA R-1 & R-3 use tables and development standards) file.
  • Industrial Zones and standards: § 22.22.020 and § 22.22.070–22.22.090 (M zones; M-1, M-2.5 rules) file.
  • Institutional Zone (IT): § 22.44.1780 (permitted and accessory uses, CDP thresholds) .
  • Catalina Island Specific Plan excerpts: § 22.46.090; § 22.46.1220–22.46.1240; § 22.46.150–22.46.160 (district organization, Residential III, Open Space/Conservation) filefile.
  • Specific Plan hierarchy and PASD/CSD rules: § 22.300.020 (hierarchy of standards for PASD/CSD) .
  • Coastal Development Permit purpose and thresholds: Chapter 22.56 (e.g., § 22.56.2270–2280) .
  • Parking and Parking-Use zones: § 22.54.040 and cross-references to parking design § 22.112.080 .

Sources

Retrieved passages

  • Los Angeles County Zoning Code (Section 22.46.1060) High relevance
  • Los Angeles County Zoning Code (Section 22.364.060.F.2) High relevance
  • Los Angeles County Zoning Code (§ 1) High relevance
  • Los Angeles County Zoning Code (Chapter 22.134) Medium relevance
  • Los Angeles County Zoning Code (Section identifies) Medium relevance
  • Los Angeles County Zoning Code (§ 1) Medium relevance
  • Los Angeles County Zoning Code (Section 22.140.585.F.18) Medium relevance
  • Los Angeles County Zoning Code (§ 22) Medium relevance
  • Los Angeles County Zoning Code (§ 1) Medium relevance
  • Los Angeles County Zoning Code (§ 39) Medium relevance
  • Los Angeles County Zoning Code (§ 1) Medium relevance
  • Los Angeles County Zoning Code (Chapter 22.18) Medium relevance
  • Los Angeles County Zoning Code (§ 1) Medium relevance
  • Los Angeles County Zoning Code (Section 22.44.1375) Medium relevance
  • Los Angeles County Zoning Code (Chapter 22.186) Medium relevance
  • Los Angeles County Zoning Code (Section 22.44.1400.) Medium relevance

Cited sections

Frequently asked questions

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

You can build the principal uses allowed in the R-1 Single-Family Residence zone (primarily single-family dwellings); dimensional rules (setbacks and height) and permit type come from the residential land‑use tables and development standards — see § 22.18.030 and § 22.18.040 (Table 22.18.040‑A) for the exact permitted uses and yard depths § 22.18.030–22.18.040 file.

What are Los Angeles County setback requirements for a single-family property?

Setback minimums for residential zones are in § 22.18.040 (Table 22.18.040‑A); for example, R-1 front yards are shown as 20 ft in the table — always confirm against the parcel’s zone and any Specific Plan that may modify setbacks § 22.18.040 .

Do I need a Conditional Use Permit in Los Angeles County?

If the zone’s land‑use table marks your proposed use as Conditional, you need a Conditional Use Permit under Chapter 22.158; many Specific Plan tables and some industrial zones explicitly list uses that require a CUP (see zone sections such as § 22.22.080 for M-2.5 and Specific Plan use lists) § 22.18.030 file.

How do Specific Plans affect permitted uses?

Specific Plans (e.g., CSLA, Catalina) contain their own land-use districts and tables; where a Specific Plan conflicts with Title 22, the Specific Plan prevails. Always read both the base-zone chapter and the applicable Specific Plan (see § 22.416.030 and § 22.46.1030) file.

Are Coastal Development Permits required for uses in unincorporated coastal areas?

Yes — many developments in the coastal zone require a Coastal Development Permit under Chapter 22.56; the Chapter explains purpose and thresholds (see § 22.56.2270–2280) and Specific Plan sections (e.g., Catalina) also list which district uses require CDPs § 22.56.2270–2280; § 22.46.090 file.

Where are manufacturing and heavy industrial uses allowed, and what limits apply?

Manufacturing and industrial uses are in the M-series zones; M-1 is for light manufacturing (with equipment restrictions), M-2.5 is for aircraft/heavy industrial uses and requires special CUP findings and possible recorded covenants to protect heavy uses — see § 22.22.020, § 22.22.070, and § 22.22.080 file.

Can I build an ADU under Title 22?

ADUs are addressed in Title 22 and in Planning Area / Specific Plan rules; where a PASD/CSD applies, ADUs are subject to § 22.140.640 and may have special provisions in a PASD/CSD § 22.300.020.B.3 — check the parcel's overlays and the County ADU guidance and relevant Specific Plan text § 22.300.020 .

What if my existing business was legal but the zone changed?

Nonconforming uses are protected under the County’s nonconforming provisions; specific limitations and amortization rules are addressed throughout Title 22 and may be referenced within Specific Plans (e.g., § 22.46.560 references Part 10 of Chapter 22.56 and Chapter 22.172) § 22.46.560 .

How do I find parcel-specific zone and overlay maps?

Parcel zoning and overlay status are determined from County zoning maps and Specific Plan mapping; the code instructs you to confirm both the base zone and any PASD / CSD / Specific Plan designation for the parcel (see § 22.300.020 and the specific plan organization sections) § 22.300.020 .

Do parking rules differ by zone?

Yes — parking requirements and permitted parking uses (including when a parking lot is a principal use) are in Chapter 22.54 and design rules in Chapter 22.112; ministerial site plan review can authorize certain accessory parking while parking buildings often require a CUP § 22.54.040 and § 22.112.080 .

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