2025 California Standards for Accessible Design Guide (effective January 1, 2026)
11B-809.10.6.3 Clearance.
A clearance of 36 inches (914 mm) wide minimum by 48 inches (1219 mm) long minimum measured from the control wall shall be provided outside the shower as illustrated in Figure 11B-809.10.6.3. [Safe Harbor 11B-809.10.6.3].
ETA Editor's Note:
From DSA's "Summary of New and Amended 2025 California Building Code (CBC) Regulations for Accessibility in the Triennial Code Cycle": "Amendments increase clear floor space at showers in residential dwelling units with adaptable features and a figure has been provided illustrating the clear floor space position relative to the shower control wall."
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