Notice of 15-Day Public Comment Period: May 27, 2026 - June 11, 2026

The following state agencies have submitted proposed actions (code changes) that are intended for inclusion in the 2025 California Building Standards Code, Title 24, which were the subject of written comments from the initial 45-day public comment period that began on March 27, 2026, and ended on May 11, 2026. CBSC will accept additional written comments for at least 15 days from May 27, 2024, through June 11, 2026. All written public comments must be submitted no later than midnight on June 11, 2026.

State Agencies

Office of Statewide Hospital Planning and Development

OSHPD 05/25 — Amend the 2025 edition of the California Mechanical Code, Part 4, Title 24

Posted Public Comments:

* non-viewable via CBSC's website

  • No comments are available yet.

Rulemaking Activities

  • Code Adoption Cycles
  • Change Without Regulatory Effect
  • Emergency Rulemaking

State Agency Acronyms

  • BSC—California Building Standards Commission
  • CEC—California Energy Commission
  • DSA—Division of the State Architect
  • DWR—Department of Water Resources
  • HCD—Department of Housing & Community Development
  • OSHPD—Office of Statewide Hospital Planning and Development
  • SFM—Office of the State Fire Marshal

Request for Public Comments

For a copy of a public comment that is not linked, email CBSC. Include in your request: 

  • 45-day comment period
  • State agency rulemaking number
  • Name of the commenter