2101A General — 2025 California Building Code
California Building Code (Title 24, Part 2) · 2025 edition · updated 2026-09-25 · California
CBSC: official editions, supplements and errata
Italicized text is a California amendment to the model code, as printed in the official publication.
Cite as: 2025 California Building Code (Title 24, Part 2) § 2101A · Effective January 1, 2026 · Official source: Building Standards Commission
2101 A .1 Scope. This chapter shall govern the materials, design, construction and quality of masonry.
2101A.1.1 Application. The scope of application of Chapter 21A is as follows: 1. Structures regulated by the Division of the State Architect-Structural Safety (DSA-SS), which include those applications listed in Section 1.9.2.1. These applications include public elementary and secondary schools, community colleges and state- owned or state-leased essential services buildings. 2. Applications listed in Sections 1.10.1 and 1.10.4 regulated by the Department of Health Care Access and Information/Office of Statewide Hospital Planning and Development (OSHPD). These applications include hospitals and correctional treatment
centers.
2101A.1.2 Amendments in this chapter. DSA-SS and OSHPD 1 & 4 adopt this chapter and all amendments.
Exception: Amendments adopted by only one agency appear in this chapter preceded with the appropriate acronym of the adopt- ing agency, as follows: 1. Division of the State Architect-Structural Safety:
[DSA-SS] For applications listed in Section 1.9.2.1. 2. Office of Statewide Hospital Planning and Development:
[OSHPD 1] - For applications listed in Section 1.10.1.
[OSHPD 4] - For applications listed in Section 1.10.4.
2101A.1.3 Prohibition. The following design methods, systems and materials in TMS 402/602 are not permitted by DSA-SS and OSHPD:
1. Unreinforced masonry. 2. Autoclaved aerated concrete (AAC) masonry. 3. Empirical design of masonry.
4. Adobe construction.
5. Ordinary reinforced masonry shear walls. 6. Intermediate reinforced masonry shear walls. 7. Prestressed masonry shear walls. 8. Direct design of masonry. 9. Design of masonry infill. 10. Prescriptive design of masonry partition walls. 11. Limit design method. 12. Glass fiber reinforced polymer (GFRP) reinforced masonry.
2101 A .2 Design methods. Masonry shall comply with the provisions of TMS 402 or TMS 404 as well as applicable requirements of this chapter.
2101 A .2.1 Masonry veneer. Masonry veneer shall comply with the provisions of Chapter 14.
2101 A .3 Special inspection. The special inspection of masonry shall be as defined in Chapter 17 A, or an itemized testing and inspection program shall be provided that meets or exceeds the requirements of Chapter 17 A .
MASONRY
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