Solano County, CA Short-Term Rentals: Insurance Requirements (2026)

Insurance is a stated prerequisite for operating a short-term rental in unincorporated Solano County. The County's official 'Apply for a New Vacation House Rental Operating Permit' page lists, among the required steps, that the applicant must 'have proof of commercial insurance,' alongside completing the Short-Term Rental Building Application, obtaining a business license, and registering for the Transient Occupancy Tax certificate. This makes commercial liability coverage a condition of issuance rather than an optional recommendation. The County's published materials reviewed here state the requirement as 'proof of commercial insurance' without printing a specific dollar coverage minimum on the public application overview, so the exact limit (and whether the County must be named or the policy must specifically cover transient-rental use) is confirmed through Planning Services or the permit conditions. Operators should obtain a commercial or short-term-rental-specific liability policy - standard homeowner policies frequently exclude or limit coverage for commercial transient-rental activity - and keep proof available, since the operating permit is renewed annually and renewal includes a business-license renewal and self-certification. Because we did not see a published numeric minimum in the County's primary application page, we do not assert a specific dollar figure.