Building Setbacks & Zoning in Fontana, CA (2026)
3 verified building setbacks & zoning rules for Fontana, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Setback Rules
Fontana setbacks are set in FMC Title 17. Typical R-1 setbacks are 20 ft front, 5 ft side, 15 ft rear. ADUs enjoy 4 ft side and rear setbacks under California Gov Code 65852.2.
Fontana Building Setback Rules
Some RestrictionsStructure Height Limits
Fontana height limits are set in FMC Title 17. R-1 primary structures cap at about 35 ft or 2.5 stories. ADUs must reach at least 16-18 ft under Gov Code 65852.2.
Fontana Structure Height Limits
Some RestrictionsLot Coverage Limits
Fontana FMC Title 17 caps the share of a lot that buildings may occupy. R-1 zones typically allow 40-50 percent coverage. Accessory structures count; state ADU law guarantees an 800 sq ft ADU.
Fontana Lot Coverage Rules
Some RestrictionsLooking for San Bernardino County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Fontana city rules.
Building Setbacks & Zoning in San Bernardino County →