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Home / California Permits / Fairfield

Building Permits in Fairfield, California

City in Solano County
Verified August 2026

Adopted Construction Codes

These are the state-level code editions for California. They apply in Fairfieldunless a verified local adoption or amendment is noted — in local-adoption states, confirm the city or county's own code editions with the building department.

CodeEditionAdoption
CBC — 2024California Building Code, 24 CCR Part 2, based on the 2024 International Building Code. Adopted in the 2024 Triennial Code Adoption Cycle by the California Building Standards Commission; 2025 edition effective 1/1/2026. · source ↗
CEBC — 2024California Existing Building Code, 24 CCR Part 10, based on the 2024 International Existing Building Code. Adopted in the 2024 Triennial Code Adoption Cycle; 2025 edition effective 1/1/2026. · source ↗
CEC — 2023California Electrical Code, 24 CCR Part 3, based on the 2023 National Electrical Code (NFPA 70). Adopted in the 2024 Triennial Code Adoption Cycle; 2025 edition effective 1/1/2026. · source ↗
CFC — 2024California Fire Code, 24 CCR Part 9, based on the 2024 International Fire Code. Adopted in the 2024 Triennial Code Adoption Cycle; 2025 edition effective 1/1/2026. · source ↗
CMC — 2024California Mechanical Code, 24 CCR Part 4, based on the 2024 Uniform Mechanical Code. Adopted in the 2024 Triennial Code Adoption Cycle; 2025 edition effective 1/1/2026. · source ↗
CPC — 2024California Plumbing Code, 24 CCR Part 5, based on the 2024 Uniform Plumbing Code. Adopted in the 2024 Triennial Code Adoption Cycle; 2025 edition effective 1/1/2026. · source ↗
CRC — 2024California Residential Code, 24 CCR Part 2.5, based on the 2024 International Residential Code. Adopted in the 2024 Triennial Code Adoption Cycle; 2025 edition effective 1/1/2026. · source ↗
Energy — 2025California Energy Code, 24 CCR Part 6. Developed by the California Energy Commission and adopted in the 2024 Triennial Code Adoption Cycle; 2025 edition effective 1/1/2026. · source ↗

Permit Requirements

building permit
Fees, required documents and the inspection sequence is available to BuildSpec members. Sign inShow fees — free trial

Building Department

Building department website ↗

Apply online — Fairfield permit portal ↗

Permit fee schedule ↗ · fee schedule checked August 2026

Building inspection fees are valuation-based tiers; plan check is 75% of the inspection fee for residential and 90% for commercial/multifamily, with flat rates for common permits.

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