Home Business in Brentwood, CA (2026)
4 verified home business rules for Brentwood, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Zoning & Home Occupation Permits
Brentwood requires a home occupation use permit under Municipal Code Chapter 17.840 for any home-based business, even one using the residence only as a mailing address. The activity must stay incidental to residential use and fit within 20% of the home's living space, and the Community Development Director can deny, condition, or revoke the permit.
Brentwood Home Occupation Permit Rules
Some RestrictionsBrentwood Municipal Code §§ 17.840.002, 17.840.006(A)
This procedure shall be required whenever a business license is required using a home as the "location of business in Brentwood" or in the absence of a location, using a home as a "mailing address" and in any case where a commercial or commercial-like activity or an activity not customarily conducted in the home, is being conducted in a home. ... ... A. The home occupation shall be conducted en...
Signage Rules
Brentwood bans all signage for home-based businesses outright. Municipal Code § 17.840.008(H) prohibits "the display of signs or advertising devices identifying the home occupation," along with any outside or window display of products, so a permit holder cannot post even a small placard advertising the business.
Brentwood Home Business Sign Ban
Heavy RestrictionsBrentwood Municipal Code § 17.840.008(H)
The following activities shall be prohibited in conjunction with any home occupation: ... ... H. The display of signs or advertising devices identifying the home occupation or any outside display or window display of materials or products;
Customer Traffic Restrictions
Brentwood bars home occupations from generating more traffic than a normal residence, but tutoring, counseling and music-instruction businesses get a carve-out: one vehicle and two students at a time, 12 students a day, inside set hours.
Brentwood Home Business Client Visit Limits
Some RestrictionsBrentwood Municipal Code §§ 17.840.008(E), 17.840.009
E. The generation of vehicular or pedestrian traffic in excess of that associated with the residential use, except as provided in Sections 17.840.009 and 17.840.010; ... ... A. Only one vehicle and two students are allowed at a time with a maximum of twelve students per day. B. Hours of operation are limited to seven a.m. to eight p.m., Monday through Friday, and eight a.m. to eight p.m. on Sat...
Home Daycare
Under California Health and Safety Code Section 1597.45, small family day care homes (up to 8 children) and large family day care homes (up to 14 children) are treated as residential uses by right. Brentwood cannot require a conditional use permit, and the home must be licensed by the California Department of Social Services, Community Care Licensing Division.
Home Business: Day Care Home
Significant RestrictionsCalifornia Health and Safety Code § 1597.45 (Family Daycare Homes)
1597.45. (a) The use of a home as a small or large family daycare home shall be considered a residential use of property and a use by right for the purposes of all local ordinances, including, but not limited to, zoning ordinances. (b) A local jurisdiction shall not impose a business license, fee, or tax for the privilege of operating a small or large family daycare home. (c) Use of a home as a...
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