California Building Code 2025. Green building standards code (“2025 calgreen”) and found in appendices a4 and a5 to part 11 of title 24 of the california code of regulations. California’s building energy efficiency standards, found in title 24, part 6, are updated every three years.
Filter by jurisdiction, code type, or code year. In line with this, the cea has developed three key proposals for the upcoming 2025 edition of california’s building energy efficiency standards.