FOOTINGS FOR LIGHT-FRAME CONSTRUCTION.
Los Angeles Municipal Code § 91.1906
in effectSEC. 91.1906. FOOTINGS FOR LIGHT-FRAME CONSTRUCTION.
(Added by Ord. No. 188,797, Eff. 12/31/25.)
Section 1906 of the CBC is adopted by reference with the following exceptions, modifications and additions:
91.1906.1. Plain Concrete Footings. The design and construction of structural plain concrete, both cast-in-place and precast, shall comply with the minimum requirements of ACI 318, as modified in CBC Section 1905 and LAMC Section 91.1905.
EXCEPTION: For Group R-3 occupancies and buildings of other occupancies less than two stories above grade plane of light-frame construction, the required footing thickness of ACI 318 is permitted to be reduced to 6 inches (152 mm), provided that the footing does not extend more than 4 inches (102 mm) on either side of the supported wall. This exception shall not apply to structural elements designed to resist seismic lateral forces for structures assigned to Seismic Design Category D, E, or F.
Source: City of Los Angeles, Charter and Codes (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/los_angeles/latest/lamc/0-0-0-431593Fetched: 10/24/2026