GENERAL.
Los Angeles Municipal Code § 91.2.501
in effectSEC. 91.2.501. GENERAL.
(Added by Ord. No. 188,797, Eff. 12/31/25.)
Section 501 of the CEBC is hereby adopted by reference except as amended herein.
91.2.501.1. Scope. The provisions of this division shall control the alternation, addition and change of occupancy of existing buildings and structures, including historic buildings and structures, [BSC] including state-regulated structures in accordance with Section 501.1.2 of the CEBC. Historic buildings and structures shall comply with Part 8, Title 24, C.C.R. In addition to the requirements of the CEBC, existing buildings and structures shall comply with the applicable regulations of Divisions 81, 82, 83, 84, 85, 86, 88, 89, 91, 93, 95 and 97 of the Los Angeles Building Code (LABC), Article 1, Chapter IX of the LAMC, Appendix A Chapters A1, A2, A3, A4 and A5 of the LAEBC, and the voluntary earthquake hazard reduction standards of Divisions 92, 94 and 96 of Article 1, Chapter IX of the LAMC.
91.2.501.6. Unreinforced Masonry Buildings. For unreinforced masonry (URM) buildings with an approved occupant load greater than 100, the occupant load may be increased by a maximum of 10 percent as long as the Rating Class or Risk Category is not changed.
If the occupant load increase is over 10 percent, then compliance with CEBC Appendix Chapter A1 is required as long as there is no change in Risk Category. If there is a change in Risk Category, then compliance with CEBC Section 304.3.1 is required.
Source: City of Los Angeles, Charter and Codes (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/los_angeles/latest/lamc/0-0-0-431865Fetched: 10/24/2026