Commercial Real Estate in Hopland: Downtown, Old Hopland and the Highway 101 Corridor

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

Hopland sits in the narrow Sanel Valley on Highway 101 at the southern gateway to Mendocino County wine country, with a small downtown on the highway and the separate cluster of Old Hopland along Highway 175 east of the Russian River. Commercial property here means tasting rooms, restaurants, inns, service businesses and some light industrial land. The town is unincorporated, so Mendocino County controls zoning, but Hopland is one of the few inland towns where a public district supplies both water and sewer, and that changes what a lot can carry.

Who controls the parcel

Mendocino County Planning and Building Services applies the Inland Zoning Code, Division I of Title 20, updated in full on September 10, 2024 according to the notice of determination. Land use direction comes from the Hopland section of General Plan Chapter 6, policies coded CP-H.

The special districts, according to Mendocino LAFCo’s Ukiah Valley special districts review (approved May 16, 2013) and rural fire review (approved April 4, 2016):

Hopland Public Utility District (HPUD), established in 1955, provides water and sewer to the Hopland community. The 2013 review counted 350 water connections and 303 sewer connections.
Hopland Fire Protection District covers about 99.5 square miles. Fire service began in 1952 with a volunteer company, and the district separated from the utility district in November 1997. The 2016 review lists an ISO rating of 7 in hydrant-served Hopland and 8/9 in rural areas, which affects commercial insurance.

LAFCo’s special districts list also shows a Hopland Cemetery District. Parcels outside HPUD’s boundary rely on wells and septic.

Hopland zoning for commercial, industrial and mixed use

These inland districts allow business uses. We did not verify which are mapped on individual Hopland parcels, so confirm with a County Letter of Zoning.

District	Intended uses	Notes for Hopland
C-1 Limited Commercial (Ch. 20.088)	Local retail, offices, restaurants, services and housing	No minimum lot size for commercial use with both water and sewer; 35 ft
C-2 General Commercial (Ch. 20.092)	Full retail and services at community cores; lodging permitted outright	Same no-minimum rule inside HPUD; 50 ft; 10 ft front setback
R-C Rural Community (Ch. 20.084)	Mixed homes, shops and limited industry	Retail, restaurants and repair by administrative permit; lodging and custom manufacturing by use permit
I-1, I-2 Industrial (Ch. 20.096, 20.100)	Light and general industry	Valley floor is constrained by floodplain and farmland
A-G Agricultural and R-L Rangeland	Vineyards, grazing and farm uses	Winery and tasting uses depend on the district’s use list

In C-1, C-2 and R-C, commercial uses need no minimum lot area when both water and sewer districts serve the parcel. Inside HPUD that rule can apply. Just outside it, the standard becomes 12,000 or 40,000 square feet. This is the single biggest zoning difference between Hopland and towns like Laytonville or Philo that lack public sewer.

Downtown Hopland, Old Hopland and the Highway 101 corridor

The General Plan treats Hopland’s two centers as the place for business:

Two commercial centers. CP-H-1 and CP-H-2 support downtown Hopland and Old Hopland as commercial and social centers and back expanding downtown. Action CP-H-3.1 calls for a downtown plan.
No new strip development. CP-H-4 discourages new commercial development along the Highway 101 corridor outside Hopland. A highway parcel south or north of town is a weak rezoning candidate.
Historic design. CP-H-5 through CP-H-7 aim to preserve historic character and ask that new buildings reflect downtown’s historic style.
Wine and visitors. CP-H-12 supports commercial uses that serve residents and visitors, and Action CP-H-11.1 promotes wine production and sales as a tourist draw.
Tribal and rail ties. CP-H-15 supports joint-use opportunities with the Hopland Sho Ka Wah Casino. CP-H-16 supports using the North Coast Railway for trail, passenger or freight service.
Bypass planning. CP-H-17 and CP-H-18 address a possible Highway 101 Hopland bypass, aiming to keep downtown access, including ramps to commercial areas, and to hold land use patterns around any interchange.

The plan’s introduction names the constraints: a narrow valley, the Russian River floodplain, the highway and railway, farmland protection, and possible limits on HPUD water and sewer.

Signs, water supply and flood rules

Billboards. CP-H-14 prohibits new billboards along Highway 101 in Sanel Valley, and Action CP-H-14.1 calls for an amortization program to phase out existing ones. CP-H-13 encourages consolidated gateway signs and multi-business signboards. Do not underwrite billboard rent as permanent.

Water. The 2013 LAFCo review says HPUD holds no water rights of its own and contracts with the Russian River Flood Control district for up to 400 acre-feet of Lake Mendocino water a year, against reported demand of about 350 acre-feet. The state placed a moratorium on new water hookups in September 2007, lifted in 2011. A restaurant, tasting room or inn should get a current will-serve letter.

Sewer. The same review reports average daily sewer flow of 45,000 gallons against a capacity of 90,000. Ask HPUD for current figures and connection fees.

Floodplain. The inland code has a Special Flood Plain combining district, and the Russian River floodplain runs through the valley. Check FEMA maps and County flood rules before buying low-lying commercial land.

Transfer tax, business tax and property tax

Hopland has no city government, so only the county documentary transfer tax applies. Fidelity National Financial’s transfer tax guide (rev. January 2026) lists it at $1.10 per $1,000, customarily paid by the seller. The County Recorder collects it without posting a rate. Inns and vacation rentals remit transient occupancy tax and a Business Improvement District assessment through the Treasurer-Tax Collector. A change of ownership generally triggers Proposition 13 reassessment.

Due diligence that matters in Hopland

Confirm whether the parcel is inside HPUD for water, sewer or both.
Get a will-serve letter and connection fee estimate for any new or intensified use.
Order a County Letter of Zoning and check for flood plain and other combining districts.
Read the CP-H policies before planning anything on Highway 101 outside town.
Price fire and flood insurance using the district’s ISO rating and FEMA zone.
Work through our commercial due diligence checklist.

Questions people ask

Does Hopland have public sewer?

Yes, within the Hopland Public Utility District, which LAFCo says provides both water and sewer.

Why does sewer service matter for a commercial lot?

In C-1, C-2 and R-C, a commercial use needs no minimum lot size only with both water and sewer service.

Can I build new commercial along Highway 101 south of town?

The General Plan discourages new commercial development on the 101 corridor outside Hopland.

Can I put up a billboard?

No new billboards are allowed along Highway 101 in Sanel Valley under policy CP-H-14.

Where does Hopland’s water come from?

HPUD contracts for up to 400 acre-feet a year of Lake Mendocino water through the Russian River Flood Control district.

What is Old Hopland?

The older cluster along Highway 175 east of the Russian River, which the General Plan treats as a second commercial center.

Does Diamond handle commercial property in Hopland?

Contact Matthew Martinez to discuss buying, selling or leasing commercial property in Hopland.

Sources & notes

HPUD connection and flow figures are from 2013 and may have changed. Parcel zoning was not verified. This page is general information, not legal or tax advice. Last reviewed October 2026 by Matthew Martinez.

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