5 rules for unincorporated Colusa County, California.
Verified from official government sources
Under Colusa County Zoning Code Section 44-4.90, home occupations are allowed as accessory uses to residential uses countywide, provided the use stays inside the dwelling or an accessory building, occupies limited floor space, and is conducted by resident family members only.
A home occupation in unincorporated Colusa County may display one sign under Zoning Code Section 44-4.90, regulated by the Sign Regulations in Section 44-3.50. Small signs of 8 square feet or less are allowed without a sign permit, subject to the section's standards.
Colusa County Zoning Code Section 44-4.120 permits cottage food operations in residential dwellings. The operation must be registered or permitted by the County Health Officer under state law, limited to one non-family employee, use no more than 25% of the dwelling, and display only a sign up to two square feet.
Under Colusa County Zoning Code Section 44-4.20, a small family day care home is treated as a residential use subject to the same standards as a residence in the same zone. Large family day care and child care centers must meet added standards and a discretionary permit, consistent with state law.
Colusa County requires an administrative permit before a home occupation may operate. Zoning Code Section 44-4.90(E) states no home occupation is allowed unless an administrative permit has first been issued under the Administrative Provisions in Article 44-1.
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