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Section 8-503

California Historical Building Code (Title 24, Part 8) · 2019 edition · updated 2026-09-10 · California

CBSC: official editions, supplements and errata

ESCAPE OR RESCUE WINDOWS AND DOORS Basements in dwelling units and every sleeping room below the fourth floor shall have at least one openable window or door approved for emergency escape which shall open directly into a public street, public way, yard or exit court. Escape or rescue windows or doors shall have a minimum clear area of 3.3 square feet (0.31 m 2 ) and a minimum width or height dimension of 18 inches (457 mm) and be operable from the inside to provide a full, clear opening without the use of special tools.

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▸Contents — California Historical Building Code (Title 24, Part 8)

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