BASIC PROVISIONS.
Los Angeles Municipal Code § 95.300
in effectSEC. 95.300. BASIC PROVISIONS.
(Amended by Ord. No. 187,719, Eff. 1/23/23.)
Chapter 3 of the CMC is hereby adopted by reference with the following amendment:
311.3. Prohibited Source. Outside or return air for heating or cooling air systems shall not be taken from the following locations:
(1) less than 10 feet (3048 mm) in distance from an appliance vent outlet, a vent opening of a plumbing drainage system, or the discharge outlet of an exhaust fan or a medical-surgical vacuum outlet, unless the outlet is 3 feet (914 mm) above the outside-air inlet.
Source: City of Los Angeles, Charter and Codes (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/los_angeles/latest/lamc/0-0-0-188214Fetched: 10/24/2026