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Updated Mar 18, 2026

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.