Commercial Real Estate in Mendocino County: Inland, Coastal and Town Zoning Codes

By Matthew Martinez, Founder, CEO & Managing Broker, Diamond Real Estate Group. California DRE #01869679.

Commercial property in Mendocino County sits in four small cities and in a long string of unincorporated towns, from Hopland and Laytonville on Highway 101 to Gualala, Elk and Albion on the coast. Outside the cities, the County runs three separate zoning codes, and which one applies depends on whether the parcel is inland, in the Coastal Zone or inside the Town of Mendocino. Confirm the jurisdiction and the code division before you price a building.

Who controls the parcel

Mendocino LAFCo lists four incorporated cities: Fort Bragg, Point Arena, Ukiah and Willits. Each writes its own zoning. Everywhere else, Mendocino County Planning and Building Services applies Title 20 of the County Code. The County’s zoning explainer splits that title into three divisions:

LAFCo also oversees city annexations and special districts, which matters because many County lot size and density rules change depending on whether a parcel is served by a water district, a sewer district, both or neither.

Mendocino County zoning for commercial, industrial and mixed use

The County’s Inland Zoning Code was updated in full on September 10, 2024, according to the notice of determination filed with the state. That update added two mixed-use districts and replaced minor use permits with administrative permits or use permits. The Coastal Zoning Code carries its own district list.

Rural towns, coastal villages and what business uses fit

Inland towns. Most inland storefronts in places like Laytonville or Covelo are zoned R-C or C-1/C-2. In the R-C district, a parcel outside any water or sewer district needs 40,000 square feet, while a commercial use inside both districts has no minimum lot size. That one fact often explains why a highway building has room to expand in one town and not the next.

Coastal villages. The RV district aims to keep village character while allowing neighborhood services. Offices, restaurants, retail, auto repair, inns and motels are conditional uses requiring a coastal development use permit, and development in Westport, Caspar, Little River, Albion, Elk, Manchester, Anchor Bay and Gualala must also meet visual resource criteria.

Working harbors. The Fishing Village district reserves the limited flat land at Noyo and Albion for coastal-dependent industry. Coastal-related support services are permitted outright; anything else must show it is water-dependent.

Cottage industry. On rural coastal parcels, the cottage industry chapter allows a small business with a dwelling, by use permit, in AG, FL, TP, RL, RR, RMR, SR and RV districts. It caps outside workers at two, total floor area at 1,000 square feet and customers at 10 a day.

Coastal permits, the Town of Mendocino and cannabis

Coastal Development Permits. The County’s Coastal Zone page says a CDP is needed for development, which includes changes in water use and major vegetation removal, and that the process typically takes six to twelve months with a public hearing. Applicants must also show an adequate water supply. Plan escrow timelines around that.

Town of Mendocino. The village has its own Division III code. Its rental chapter caps the town at 10 vacation home rentals and 20 single unit rentals, limits new vacation rentals to the MU and MC districts, and requires a County business license. For inn and B&B buyers, the license count is part of the value.

Cannabis. The County’s Cannabis Division sits inside Planning and Building Services and issues cultivation licenses. Separate County business licenses exist for cultivation and for cannabis facilities, so confirm both the zoning and the license status before buying a property marketed for cannabis use.

Transfer tax, business tax and property tax

The County Recorder collects documentary transfer tax on real property transfers and requires a Preliminary Change of Ownership Report with each deed, but its fee schedule does not post a transfer tax rate, so confirm the amount on the escrow estimate. A change of ownership generally triggers Proposition 13 reassessment. Lodging operators in the unincorporated area remit transient occupancy tax and a Business Improvement District assessment through the Treasurer-Tax Collector; the payment page does not list the rates. We did not verify an unincorporated general business license tax for this page.

Due diligence that matters in Mendocino County

• Confirm city or County, then which of the three County code divisions applies.
• Order a County Letter of Zoning; Planning charges a $152 initial deposit per parcel and reports overlays such as coastal zone and floodplain.
• Check water and sewer district service, since it changes lot size and density.
• On the coast, budget time for a CDP and proof of water supply.
• For lodging, verify TOT registration and, in the Town of Mendocino, the rental license.
• Work through our commercial due diligence checklist.

Questions people ask

Sources & notes

1. Mendocino LAFCo, cities
2. Mendocino County, How is property zoned?
3. Mendocino County Code Ch. 20.040, inland districts
4. CEQAnet, Inland Zoning Code Update NOD, SCH 2008062074
5. Mendocino County Coastal Zoning Code, Division II
6. Ch. 20.388 RV Rural Village
7. Ch. 20.392 FV Fishing Village
8. Ch. 20.452 Cottage Industries
9. R-C district standards
10. Ch. 20.748 Town of Mendocino rentals
11. County Planning Division
12. County Coastal Zone information
13. County Cannabis Division
14. County Recorder
15. County TOT payment page

City rules are covered on each linked city page. This page is general information, not legal or tax advice. Last reviewed October 2026 by Matthew Martinez.

Related: Mendocino County real estate guide · Multifamily property in Mendocino County · Commercial real estate services