Mendocino 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 103 districts.
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What's in the Mendocino County Unincorporated dataset
Every field below is available for any Mendocino County Unincorporated parcel, on the map and through the AI.
Zoning
- District code & full name
- Parcel boundary & APN
- All 103 districts mapped
Building controls
- Maximum building height
- Floor area ratio (FAR)
- Front setback
- Side setback
Overlays, hazards & AI
- Flood hazard & environmental layers
- Ask the AI about any parcel
- Powered by live parcel data
Where uses are permitted in Mendocino County Unincorporated
Share of Mendocino County Unincorporated's zoned land where each use is permitted.
- Single-family
- 99.86%
- Multi-family
- 0.34%
- Two-family
- 0.34%
- Retail
- 61.05%
- Eating & drinking
- 0.33%
- Office
- 0.35%
- Hotel / motel
- 95.36%
- Industrial
- 99.95%
- Storage & warehouses
- 36.02%
Mendocino 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 Code | Category | Area | Details |
|---|---|---|---|
AG-40 Agricultural | - | 56,864.7 ac | Standards & uses → |
AG-40-CR Agricultural Contract Rezone | - | 5.8 ac | Standards & uses → |
AG-60 Agricultural | - | 5,587.8 ac | Standards & uses → |
AG-60-DL Agricultural And Development Limitations | - | 33.7 ac | Standards & uses → |
Showing 4 of 103 districts
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Each one runs against the live Mendocino County Unincorporated dataset and returns the districts, standards and approvals involved.
What should developers know about Mendocino County Unincorporated zoning?
Mendocino County Unincorporated is among the most zoning-complex jurisdictions on the California coast, with 103 distinct zone codes spanning rugged coastal headlands, redwood timberland, inland agricultural valleys, and small coastal villages. Forest Land (FL) at 63,906.44 acres and Agricultural AG-40 at 56,864.68 acres are by far the dominant land categories - together they account for the overwhelming majority of the county's unincorporated acreage. Agricultural AG-60 adds another 5,587.79 acres of large-parcel farmland. These three district types establish Mendocino's defining character as a county of working forests and agriculture with limited developable footprint.
Coastal and community-scale districts add significant nuance for targeted development: Fishing Village (FV, 178.46 acres) designates historic coastal communities; the Gualala corridor includes distinct Highway Mixed Use (GHMU), Village Mixed Use (GVMU), Planned Development (GPD), and Industrial (GI) districts. Industrial land in aggregate is meaningful - I2 (General Industrial) covers 1,553.2 acres and I1 (Limited Industrial) 685.86 acres - primarily serving timber milling, agricultural processing, and resource extraction sectors. Commercial options range from C1 (Limited Commercial, 507.32 acres) and C2 (General Commercial, 446.45 acres) down to village-scale MC (Mendocino Commercial, 23.31 acres). Building controls across all districts include FAR, multi-unit, density, coverage, pervious, lot width, and all setback categories.
This is pre-development intelligence, not legal advice - verify with the local planning department before acquisition.
Mendocino County Unincorporated zoning: frequently asked questions
What makes the Mendocino County Coastal Zone so significant for development due diligence?
A substantial portion of Mendocino County Unincorporated falls within the California Coastal Zone, meaning development projects require both a county permit and a Coastal Development Permit (CDP) from the county acting under Coastal Act authority. Coastal Zone requirements add environmental review, public access, visual resource, and ESHA (Environmentally Sensitive Habitat Area) analysis to any standard zoning review. Timeline and cost implications are material to project underwriting.
Can timberland (Forest Land, FL) zoned parcels be converted to other uses?
The FL district (63,906.44 acres) is explicitly structured to preserve commercial timber production and forestland character. Conversion to residential or commercial use requires a general plan amendment and rezoning, which the county's Coastal and Timberland policies make difficult absent compelling public benefit findings. Timber Harvest Plans (THPs) remain the primary regulatory instrument for productive use of FL-zoned land.
What are the village-scale mixed-use districts in Mendocino County and what can be built there?
The county maintains purpose-built districts for coastal villages including MMU (Mendocino Mixed Use, 11.7 acres), MC (Mendocino Commercial, 23.31 acres), FV (Fishing Village, 178.46 acres), and the Gualala-specific GHMU and GVMU districts. These zones allow a mix of retail, small-scale lodging, residential, and marine-related uses calibrated to village character. Parcel supply is tight and design review standards are significant given the historic and visual character of these areas.
Are large-acreage agricultural parcels in Mendocino County viable for rural residential development?
AG-40 and AG-60 districts set minimum parcel sizes that make subdivision and rural residential development difficult by design. Williamson Act contracts on many parcels add a layer of agricultural preservation that restricts non-agricultural uses for contract terms. Prospective buyers should verify whether a specific AG parcel is under Williamson Act contract and review the county general plan's agricultural land use policies before assuming residential entitlement is achievable.
How does industrial zoning in Mendocino County unincorporated relate to resource extraction and processing?
The I2 (General Industrial, 1,553.2 acres) and I1 (Limited Industrial, 685.86 acres) districts primarily serve the county's timber, agriculture, and resource sectors - sawmills, lumber yards, food processing, and mineral extraction support operations. These districts are not located in urban cores but are distributed near resource production areas and highway corridors. New industrial entitlement in the Coastal Zone requires additional review under Coastal Act industrial development policies.
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Zoning data is pre-development intelligence, not legal advice. Verify with the Mendocino County Unincorporated planning department before acquisition or design.