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California

State Profile

Code Type: Commercial Residential
Current State Code 2025 Building Energy Efficiency Standards 2025 Building Energy Efficiency Standards
Effective Date
Adoption Date
State Amendments No No
Can use COM/REScheck

Certifications

Commercial Residential
Current Model Code ASHRAE Standard 90.1-2016 2015 IECC
Yes No
Commercial
Previous Model Code
ASHRAE Standard 90.1-2013
ASHRAE Standard 90.1-2010
ASHRAE Standard 90.1-2007
Residential
Previous Model Code
2012 IECC
2009 IECC