2025 Building Code

2025 California Building Standards Code – Effective January 1, 2026

Effective January 1, 2026, all new plan review and permit applications submitted to El Dorado County must comply with the 2025 California Building Standards Code. This update includes the latest editions of the Building, Residential, Electrical, Mechanical, Plumbing, Energy, and Fire Codes, as adopted by the California Building Standards Commission.

Please visit the California Building Standards Commission Website for updates.

2025 California Energy Code Updates - visit the California Energy Commission website for updates.

2025 CalGreen Code Updates - visit the California Building Standards Commission Website for updates.

Below are the significant 2025 code changes:

• 2025 CA Building Code, Volume 1
• 2025 CA Building Code, Volume 2
• 2025 CA Residential Code
• 2025 CA Mechanical Code
• 2025 CA Electrical Code
• 2025 CA Plumbing Code
• 2025 CA Energy Code
• 2025 CA Fire Code
• 2025 CA Green Building Standards Code
• 2025 CA Historical Code
• 2025 CA Existing Code