Template and adopted code language for jurisdictions looking to implement low carbon concrete requirements through building code amendments. Includes a template document with model code modification language referencing the 2019 Title 24 California Building Standards Code, with placeholders for jurisdiction-specific details, express findings, definitions, compliance equations, and exemptions. Also includes the adopted Marin County Code Chapter 19.07, which serves as a real-world example of this template put into practice — covering cement content limits and embodied carbon limits by strength class, compliance pathways, enforcement procedures, and amendments to the California Building Code, Residential Code, and Green Building Standards Code.
Updated Mar 18, 2026