SB 48 and What It Could Mean for California Buildings

California is considering how to use the energy data large buildings already report to improve building performance.

At BOMA/GLA’s Sustainability Committee, Skyler Wonnacott shared where the state’s work stands and what BOMA California is advocating for. Michael Rochmes of USGBC California also demonstrated a tool property teams can use to look up requirements by building address.

What SB 48 could change

SB 48 directed the California Energy Commission (CEC) to develop a strategy for using building benchmarking data to track and manage energy use and greenhouse gas emissions.

The CEC’s July 2026 draft recommends creating a statewide building performance standard. If adopted, a standard could require covered properties to meet performance targets in addition to reporting their energy use. The recommendation is still a proposal. Read the CEC’s draft strategy.

Existing benchmarking requirements come from AB 802. Covered commercial buildings over 50,000 square feet generally report the prior year’s energy use by June 1 through ENERGY STAR Portfolio Manager. Local ordinances can carry separate requirements and deadlines. Visit the CEC’s benchmarking program.

What BOMA California is advocating for

An older office building with limited electrical capacity faces different choices than a newer property that already operates efficiently. BOMA California and its coalition urged the CEC to account for those differences in any future standard.

The coalition proposed a pathway for buildings that reduce on-site energy use per square foot by at least 20% over 10 years, a streamlined option for buildings that meet efficiency, emissions and clean energy criteria, and flexibility for affordable and workforce housing.

Check what applies at your building’s address

USGBC California’s California Building Performance Hub brings together benchmarking guides, policy information, incentives and technical support. Its Building Support Agent lets you enter a property address and ask which state and local rules may apply.

Try asking, “I manage a [size] sq. ft. office building at [address]. Which benchmarking or building performance requirements may apply? Please list the deadlines and link to the official reporting instructions.”

Use the results to identify which requirements to confirm with the CEC or your local agency.

Download BOMA/GLA’s Sustainability Committee's draft SB 48 member guide for a one-page overview to share with your property team.

USGBC is also having a Building Performance Standards Webinar coming up on December 2nd.