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Los Angeles County Unincorporated, California Zoning Map

Zoning, overlays and hazards on every parcel — and an answer to what the code actually lets you build. Compiled from current zoning data for all 272 districts.

Coverage

What's in the Los Angeles County Unincorporated dataset

Every field below is available for any Los Angeles County Unincorporated parcel, on the map and through the AI.

Zoning

  • District code & full name
  • Parcel boundary & APN
  • All 272 districts mapped

Building controls

  • Maximum building height
  • Floor area ratio (FAR)
  • Front setback
  • Side setback
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Overlays, hazards & AI

  • Flood hazard & environmental layers
  • Ask the AI about any parcel
  • Powered by live parcel data

Where uses are permitted in Los Angeles County Unincorporated

Share of Los Angeles County Unincorporated's zoned land where each use is permitted.

Single-family
94.32%
Multi-family
42.43%
ADU
94.62%
Two-family
0.61%
Retail
56.91%
Eating & drinking
93.68%
Office
5.17%
Hotel / motel
91.55%
Industrial
38.01%
Storage & warehouses
98.12%
Zoning Districts

Los Angeles County Unincorporated, California Zoning Districts: What Do They Mean?

Zoning districts are areas regulated by specific laws that determine land use, building types, and development rules. Each district below shows its zone type and which uses it permits.

Zone CodeCategoryDetails
A-1
Light Agricultural
-Standards & uses →
A-1-1
Light Agricultural
-Standards & uses →
A-1-10
Light Agricultural
-Standards & uses →
A-1-10000
Light Agricultural
-Standards & uses →

Showing 4 of 272 districts

Common Questions

Start from what you're trying to build

Each one runs against the live Los Angeles County Unincorporated dataset and returns the districts, standards and approvals involved.

Are ADUs allowed in Los Angeles County Unincorporated?

Allowed statewide under California law, subject to local development standards.

Run it →

What does A-1 actually permit?

The full standards for one district, read straight from the source.

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City Context

What should developers know about Los Angeles County Unincorporated zoning?

Unincorporated Los Angeles County is governed by the LA County Department of Regional Planning rather than any city planning department, making it a distinct regulatory environment from the municipalities that surround it. The county code fields 272 zoning designations spanning light and heavy agricultural (A-1 and A-2), multiple residential tiers, commercial node types, and industrial categories, with development-program (DP) suffix variants that unlock phased or conditional build-out scenarios. Building controls in force cover FAR, lot area, density, coverage, pervious surface, lot width, and all four setback dimensions, providing a full suite of form parameters across every district.

The zoning geography of unincorporated LA County is highly fragmented - parcels within it are interspersed throughout the county between incorporated city boundaries, ranging from semi-rural hillside communities and foothill residential enclaves to logistics corridors and agricultural edges near the county's northern and eastern extents. Light Agricultural (A-1) districts appear in numerous lot-size variants (from A-1-5500 to A-1-40000) to accommodate the spectrum of foothill estates and rural residential uses, while Heavy Agricultural (A-2) zones support more intensive rural operations. Developers and investors targeting unincorporated parcels face a different entitlement pathway than city projects: the Regional Planning Commission and Board of Supervisors are the decision-makers, and community plan updates can shift applicable standards with little notice.

Commercial and industrial development is concentrated in county-designated commercial corridors and industrial nodes rather than spread uniformly, so site selection depends on understanding which specific county community plan area governs a parcel and what land-use designations it carries. This is pre-development intelligence, not legal advice - verify with the local planning department before acquisition.

FAQ

Los Angeles County Unincorporated zoning: frequently asked questions

Who has zoning jurisdiction over unincorporated LA County parcels?

The Los Angeles County Department of Regional Planning administers zoning for all unincorporated areas of the county - meaning parcels that lie within county boundaries but outside any incorporated city. This is a separate agency from any municipal planning department, and its processes, application forms, hearing schedules, and decision-makers differ accordingly. Buyers of parcels in unincorporated areas should confirm jurisdictional boundaries early, as some parcels with LA addresses are actually under city jurisdiction.

What do the A-1 and A-2 districts mean for development potential?

Light Agricultural (A-1) and Heavy Agricultural (A-2) are the dominant rural-area districts in unincorporated LA County and appear with numerous lot-size suffixes - ranging from A-1-5500 to A-1-40000 - indicating the minimum parcel size for a single unit. A-1 permits light agricultural uses plus residential development at the density implied by the lot-size suffix, while A-2 accommodates more intensive agricultural operations. The Development Program (DP) suffix variants allow phased residential subdivisions under specific conditions negotiated with the county.

How do California ADU and SB-9 laws apply in unincorporated LA County?

State law mandates that the county permit ADUs by right on residentially zoned parcels, including those in A-1 zones where a primary dwelling exists. SB-9 urban lot-splits and duplexes also apply in urbanized areas of unincorporated county land, though the county must determine eligibility based on each parcel's location within or outside the urban-rural boundary. Applicants should confirm which community plan area governs their parcel, as local design standards within state minimums vary by plan area.

What is the entitlement process for development in unincorporated LA County versus an incorporated city?

Entitlements in unincorporated LA County run through the Department of Regional Planning for discretionary approvals and the Regional Planning Commission or Board of Supervisors for hearings. Processing timelines and inter-agency referral requirements - especially for projects near sensitive habitat, hillside areas, or flood zones - can differ substantially from city procedures. Projects subject to community plan update cycles may face shifting standards, so applicants benefit from engaging county staff early in pre-application meetings.

Are there specific industrial or commercial zones in unincorporated LA County?

Yes - the county code includes commercial and industrial districts, but they are not uniformly distributed across unincorporated territory. Commercial zoning tends to cluster along major arterials and at community commercial nodes, while industrial uses are concentrated in specific logistics or manufacturing areas. Projects requiring heavy industrial entitlements in unincorporated areas often involve environmental review under CEQA and may trigger conditions related to truck routing, hazardous materials handling, or buffer distances from residential uses.

Analyze any Los Angeles County Unincorporated parcel in 60 seconds

Zoning, overlays, hazards, and what the code actually allows - in one place.

Zoning data is pre-development intelligence, not legal advice. Verify with the Los Angeles County Unincorporated planning department before acquisition or design.