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Solano County, CA Home Business: Zoning Restrictions (2026)

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Key Facts

Primary Code Section: Solano County Code Sec. 28.72.40
Type I Area Cap: 400 sq ft (plus 120 sq ft accessory storage)
Type I Employees: Resident family members only
Type I Customers: No clients/customers on-site
Type II Area Cap: 640 sq ft
Type II Customers: Maximum 10 per day
Type II Outside Employee

City-specific rules exist: Vallejo, Fairfield, and Vacaville have their own zoning restrictions rules that differ from Solano County's county-level regulations. If you live in one of those cities, check the city-specific page instead.

Summary

Home occupations in unincorporated Solano County are regulated by Solano County Code Section 28.72.40 (Home Occupations, Cottage Industries, Hosted Rentals, and Other Commercial Uses), under Chapter 28 (Zoning Regulations). The County distinguishes two tiers. A Type I home occupation is a low-impact service business: only resident family members may participate, no clients or customers may come to the property, total area used cannot exceed 400 square feet (plus up to 120 sq ft of incidental storage in an accessory structure), and on-site equipment is limited to one vehicle/truck up to one-ton capacity plus one trailer. A Type II home occupation allows limited retail and customer visits — up to 10 customers per day, area up to 640 square feet, family members plus one outside employee if the parcel is at least two net acres — and is generally permitted only on larger lots through an Administrative or Use Permit. All home occupations require a Solano County business license (Chapter 14) and must remain accessory and subordinate to the residential use.

Frequently Asked Questions

Can I run a business from my home in unincorporated Solano County?

Yes, under Sec. 28.72.40. A Type I home occupation (service business, no customers, family only, up to 400 sq ft) is allowed by right with a business license. A Type II (retail-capable, up to 10 customers/day, up to 640 sq ft) typically requires an Administrative or Use Permit and a parcel of at least 2 net acres for an outside employee.

Can I have employees at a home business?

Type I is limited to family residents only. Type II allows family plus one outside employee, but only where the parcel is at least 2 net acres.

Solano County, CA Home Business: Zoning Restrictions (2026)

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