The 2019 Building Energy Efficiency Standards improve upon the 2016 Energy Standards for new construction of, and additions and alterations to, residential and nonresidential buildings. Buildings whose permit applications are dated on or after January 1, 2020, must comply with the 2019 Standards. The California Energy Commission updates the standards every three years.
Email title24@energy.ca.gov or call Toll-free in California: 800-772-3300 or Outside California: 916-654-5106 for any 2019 worksheets
- Rulemaking - Docket Log (17-BSTD-02)
- Pre-Rulemaking - Docket Log (17-BSTD-01)
- Residential Standards Infographic
- NonResidential Standards Infographic
Supporting Content

News Release: 2019 Building Standards Adoption
The California Energy Commission adopted building standards that require solar photovoltaic systems starting in 2020.