Fairfield, CA Home Business: Zoning & Home Occupation Permits (2026)

5 (Home Occupations) requires a Home Occupation Permit, issued alongside the Business License required under Chapter 10b of the City Code, before conducting any home-based business; the permit cannot transfer to a new person or location. 5. Operating standards under subsection B bar equipment not customarily incidental to domestic use (cement mixers, tractors, paint booths), processes creating noise, smoke, glare, fumes, odor, or vibration offensive at the property line, welding or similar occupancy-changing activity, electromagnetic interference, motor vehicle repair, and escort services. , with no cap on simultaneous visitors as long as the daily total stays at eight.

Subsection D bars deliveries and pickups other than postal and small parcel, and limits small-parcel deliveries to four per day. Subsection E confines the workforce to household residents only. Subsection F requires the occupation to be conducted entirely inside the dwelling, bars any garage storage that displaces required parking, prohibits home alterations not customary to residential use, and bans any exterior sign, window display, or off-site sign advertising the occupation's location. Subsection G imposes special conditions on firearms dealers: no firearms, ammunition, or accessories may be sold or offered on the premises, exchanges must occur only at gun shows, and no stock in trade may be kept on-site; a permit becomes void if state or federal law bars off-site exchange.

Subsection H prohibits vehicles altered for mobile services, such as ice cream trucks, catering trucks, or tow trucks, from operating in connection with a home occupation.