Building Setbacks & Zoning in Solano County, CA (2026)
2 county-level rules, plus city-specific rules for 3 cities in Solano County, California.
Verified from official government sources
Setback Rules
Solano County sets minimum yard setbacks by zoning district in Chapter 28 of the county code. In the Exclusive Agricultural districts (A-20 through A-160) a main dwelling needs a 30-foot front setback, at least 50 feet from the street centerline, 20-foot side setbacks, and a 25-foot rear setback. Rural Residential districts use the same front and rear figures but only 10-foot sides.
Solano County Yard Setback Minimums by Zone
Some RestrictionsSolano County Code §§ 28.21.30, 28.31.30 (Tables 28.21B, 28.31B)
TABLE 28.21B ... Setbacks (1) Front 30 feet, but at least 50 feet from the street centerline and unless otherwise indicated by building lines on the zoning maps. Sides (each) 20 feet. Rear 25 feet. Between structures 10 feet. Height limit 35 feet, and as allowed by Section 28.93, special regulations. ... TABLE 28.31B ... Setbacks(4) Minimum setbacks required. See Section 28-97 for setback measu...
Structure Height Limits
Solano County's Rural Residential districts cap main buildings and accessory dwelling units at 35 feet under Table 28.31B of the zoning code. The limit applies uniformly across the R-R 2-1/2, R-R 5, and R-R 10 districts that cover most unincorporated residential parcels, alongside minimum lot sizes of 2.5, 5, and 10 acres and yard setbacks tied to Section 28.93. Owners who need extra height must qualify for a specific exception in the code.
Solano County Residential Structure Height Limit
Some RestrictionsSolano County Code § 28.31.30, Table 28.31B
28.31.30 Rural Residential Districts General Development Standards A. General site and building standards. Subdivisions, new land uses, main buildings inclusive of primary dwellings, accessory dwelling units, and alterations to existing land uses and buildings shall be designed, constructed, and/or established in compliance with the applicable development standards delineated or referenced in T...
Building Setbacks & Zoning by City in Solano County
3 cities in Solano County have their own building setbacks & zoning rules. Each link goes to that city's dedicated page with code citations.
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