Administrative overview · FIPS 06095
Solano County permit authority
The first compliance decision is jurisdictional: identify the office with statutory authority over your parcel, then use its filing and inspection sequence to keep the project moving.
Jurisdictional status
County
This county profile is the primary starting point for unincorporated-area permitting.
Responsible agency
Solano County Department of Resource Management - Building & Safety Services
For a project in or near Solano County, this office is the identified point of contact for permit intake, statutory code enforcement, plan review coordination, and inspection release conditions. Confirm the parcel’s boundary and project type before relying on the county lane.
Direct contact
(707) 784-6765; 24-hour inspection request line (707) 784-4750
Call before mobilizing if the project has a boundary, occupancy, fire, septic, or utility question.
Permit counter
Solano County Building & Safety Services, 675 Texas Street, Suite 5500, Fairfield, CA 94533
Operating hours
Monday-Friday, 8:00 a.m.-5:00 p.m.; closed noon-1:00 p.m.
Review expectation
N/A; the County explains that plan review begins after electronic submittal and payment of plan-check fees, but does not publish a standard review duration. Timing varies by project type, completeness, corrections, and agency requirements.
Compliance workbench
Choose the next project decision.
Apply online
Open the verified digital gateway, application form, and review timeline.
Open guide →Fees & penalties
Understand fee schedules, enforcement exposure, and stop-work liabilities.
Open guide →Codes & exemptions
Read the code framework, minor-work exemptions, and inspection lane.
Open guide →Agency website
Visit the primary public source for current notices and contact changes.
Open guide →Source trail
Official sources for this profile
Use these direct agency or licensing links to confirm current instructions before you file, pay, or schedule work. External pages control if their information differs from this directory.
Project questions
Frequently asked questions for Solano County
Who handles permitting for this jurisdiction?
Solano County Department of Resource Management - Building & Safety Services is the identified county-level authority for this profile. Confirm that the property is in its service area before filing.
How should I begin an application?
Begin with the online permit gateway listed in the application guide. If the portal does not recognize the address or project type, contact (707) 784-6765; 24-hour inspection request line (707) 784-4750.
How long might review take?
N/A; the County explains that plan review begins after electronic submittal and payment of plan-check fees, but does not publish a standard review duration. Timing varies by project type, completeness, corrections, and agency requirements.
How are inspections scheduled?
Call the 24-hour inspection request line at (707) 784-4750 and leave the permit number, job-site address, inspection type, and callback number. Requests made before 3:00 p.m. are scheduled for the following business day; later requests are scheduled two business days later. Specific times cannot be requested. Keep approved plans and the permit card on site, and do not cover work before inspection.
Which codes and exemptions should I review?
Solano County's current requirements page lists the 2025 California Building Code, 2025 California Residential Code, 2025 California Mechanical Code, 2025 California Electrical Code, 2025 California Plumbing Code, 2025 California Fire Code, 2025 California Energy Code, 2025 California Green Building Standards Code, 2025 California Wildland-Urban Interface Code, and 2025 California Existing Building Code, with applicable County ordinances and fire-hazard-severity-zone requirements for unincorporated areas. Under the County's CBC Section 105.2 guidance, exemptions include one-story detached accessory sheds/storage buildings/playhouses up to 120 sq. ft. with no utilities; fences up to 6 ft.; oil derricks; retaining walls up to 4 ft. measured from footing bottom unless supporting surcharge or certain liquids; grade-supported water tanks up to 5,000 gallons at no more than a 2:1 height-to-width/diameter ratio (piping and electrical still require permits); qualifying sidewalks and driveways no more than 30 inches above grade; painting, papering, tiling, carpeting, cabinets, countertops, and similar finish work; temporary stage sets; qualifying above-ground prefabricated pools under 24 inches deep and 5,000 gallons; agricultural/nursery shade-cloth structures without service systems; residential playground equipment; qualifying wall-supported window awnings projecting no more than 54 inches; and movable fixtures/cases/racks/counters/partitions no higher than 5 ft. 9 in. Commercial or industrial counters still require permits.