Home Business in Colusa County, CA (2026)
3 rules for unincorporated Colusa County, California.
Verified from official government sources
Zoning & Home Occupation Permits
Running a business from home in unincorporated Colusa County requires an administrative permit and compliance with Zoning Code Section 44-4.90, which caps the operation at 25% of a dwelling's floor space (50% of an accessory building), bars outside employees, and limits merchandise sales to goods made on site.
Colusa County Home Occupation Zoning Rules
Some RestrictionsColusa County Zoning Code § 44-4.90
44-4.90 Home Occupations. Home occupations shall be permitted as appurtenant and accessory uses to any residential uses. The following standards shall apply to each home occupation: A. The home occupation is confined completely within a legal structure and occupies not more than twenty-five percent of the floor space of a dwelling or fifty percent of that of an accessory building. B. The home o...
Signage Rules
In unincorporated Colusa County, a home occupation may display only one sign, sized under Section 44-3.50's sign rules. The business must stay fully enclosed within the dwelling or an accessory building, involve no outside employees, and sell only goods made on-site. An administrative permit from the Community Development Department is required before operation begins.
Colusa County Home Business Sign Limit
Some RestrictionsColusa County Zoning Code § 44-4.90
Home occupations shall be permitted as appurtenant and accessory uses to any residential uses. The following standards shall apply to each home occupation: A. The home occupation is confined completely within a legal structure and occupies not more than twenty-five percent of the floor space of a dwelling or fifty percent of that of an accessory building. B. The home occupation involves no sale...
Home Daycare
In unincorporated Colusa County, a small family day care home is treated exactly like any other residence and needs no special zoning permit. A large family day care, child care center, or group day care center needs a discretionary permit and must sit at least 300 feet from any other day care under Zoning Code Section 44-4.20.020.
Colusa County Home Daycare Zoning Rules
Some RestrictionsColusa County Zoning Code § 44-4.20.020
44-4.20.020 Family Day Care, Large, and Child or Group Day Care Center. Notwithstanding any other provision of this code, a large family day care, a child care center (non-residential), or a group day care center (non-residential) shall be allowed only if the following standards are met and with the approval of the appropriate discretionary permit. A. Location. The large family day care or chil...
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