9 county-level rules, plus city-specific rules for 2 cities in Los Angeles County, California.
Verified from official government sources
California Health and Safety Code §17920.10 and federal EPA regulations require lead paint disclosure, testing, and safe work practices in pre-1978 buildings. LA County Environmental Health enforces childhood lead poisoning prevention programs.
U.S. EPA — Lead Renovation, Repair and Painting (RRP) Rule (40 CFR Part 745)
EPA's RRP Rule requires that anyone paid to perform work that disturbs painted surfaces in homes, childcare facilities and preschools built before 1978 be certified and their employees be trained (either as a certified renovator or on-the-job by a certified renovator) in the use of lead-safe work practices that minimize occupants' exposure to lead hazards. In general, the RRP Rule does not appl...
Elevators in LA County must comply with California Conveyance Safety Act (Labor Code §7300+). Annual inspections by the Division of Occupational Safety and Health are required. All elevator installations need permits from LA County Building and Safety.
Scaffolding on construction sites in unincorporated LA County must comply with Cal/OSHA Title 8 regulations and LA County Building Code. Sidewalk canopies and pedestrian protection are required for construction along public ways.
California Structural Pest Control Act (B&P Code §8500+) requires licensed operators for pest treatments. LA County Environmental Health enforces vector control in unincorporated areas. Termite reports are required for most real estate transactions.
LA County Building Code Title 26 adopts CRC R313, requiring automatic fire sprinklers in all new one- and two-family dwellings and townhomes. LACoFD reviews plans countywide for unincorporated and contract cities served by the district.
LA County Building Code Title 26 classifies childcare centers as Group E or I-4 occupancies with specific egress, fire-protection, and lead/asbestos clearances. CCR Title 22 licensing through CCLD adds operational rules on staffing, square footage, and outdoor space.
LA County Building Code Title 26 and Fire Code Title 32 incorporate California Fire Code §1010.1.9, restricting locks and latches on required egress doors. Single-action hardware, no double-cylinder deadbolts on exits, and panic hardware in assembly occupancies are mandatory.
LA County has no countywide BMO like LA City, but Title 22 Chapter 22.110 sets hillside grading and bulk limits, and several Community Standards Districts cap floor area ratio in unincorporated communities like Altadena, La Crescenta-Montrose, and Topanga.
LA County Code Title 31 adopts the California Green Building Standards Code (CALGreen, Title 24 Part 11) with local amendments. Mandatory measures cover construction-waste diversion, water-efficient fixtures, EV-ready parking, and indoor air quality for new buildings.
2 cities in Los Angeles County have their own building safety rules. Each link goes to that city's dedicated page with code citations.
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