LA County addresses tilt-up concrete buildings through voluntary ASCE 41-17 evaluation rather than a mandatory retrofit ordinance. LACoDPW guidance focuses on wall-to-roof anchorage failures observed in 1971 Sylmar and 1994 Northridge earthquakes for pre-1976 structures.
Tilt-up concrete buildings — common warehouses, light industrial, and big-box retail constructed by tilting precast wall panels into place — performed poorly in the 1971 Sylmar and 1994 Northridge earthquakes, with wall panels separating from wood roof diaphragms. The 1976 UBC introduced positive direct anchorage requirements that significantly improved performance. LA County has not adopted a mandatory retrofit ordinance for pre-1976 tilt-ups in unincorporated areas, unlike LA City Ordinance 184081. LACoDPW Building & Safety encourages voluntary upgrades using ASCE 41-17 Tier 1 screening followed by Tier 2 or 3 analysis. Common retrofits add subdiaphragm chord ties and continuous cross ties through the diaphragm.
No mandatory retrofit penalties apply in unincorporated areas. Owners face premises-liability exposure after seismic damage. Insurance carriers and CMBS lenders frequently require ASCE 41-17 evaluations as a condition of policy or refinancing.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
Compton, CA
Amplified music and sound devices are regulated in Compton under nuisance and disturbing-the-peace provisions. CA Penal Code 415 applies as a fallback for ex...
Compton, CA
California banned the sale of new gas-powered leaf blowers effective January 1, 2024. Existing gas blowers may still be used. Compton does not have a specifi...
Compton, CA
Industrial noise in Compton is regulated under nuisance code and LA County noise control standards. Industrial areas should not exceed 70 dB at any time. Cal...
Compton, CA
Compton adopts LA County animal regulations which discourage feeding of wildlife. CDFW regulations prohibit feeding of certain wildlife species. Attracting c...
Compton, CA
Beekeeping in Compton is regulated under general animal control provisions and California state law. Bee colonies must not constitute a public nuisance. Regi...
Compton, CA
Compton's zoning code (Chapter 30) and adopted LA County Animal Code regulate keeping chickens and livestock. Roosters are restricted. Keeping animals beyond...
Side-by-side rule comparisons with other cities in Los Angeles County.
See how Compton's tilt-up concrete retrofit rules stack up against other locations.
Help us keep this page accurate. If you notice an error or outdated information, let us know.