Seismic retrofit requirements, soft-story compliance, and earthquake preparedness regulations.
Earthquake Safety rules vary widely between U.S. cities and counties. What is permitted in one jurisdiction may carry fines or require permits in another. These differences matter whether you are a homeowner, renter, landlord, or business owner.
We research each city's municipal code, official department guidelines, and council records to summarize the rules that affect daily life. Every entry links to the original source so you can verify the details yourself. Browse the topics below to explore specific earthquake safety regulations by city.
Mandatory retrofit requirements for multi-story buildings with weak first floors, including compliance deadlines, engineering standards, and cost responsibilities.
Requirements to bolt houses to their foundations and brace cripple walls, including which buildings are affected and available rebate programs.
Retrofit requirements for older brick and masonry buildings that are vulnerable to earthquake damage, including compliance timelines and strengthening standards.
Requirements for automatic earthquake gas shutoff valves on residential and commercial properties to prevent post-earthquake fires.
Mandatory retrofit programs for older non-ductile concrete buildings vulnerable to collapse, including LA's ordinance, compliance deadlines, and engineering standards.
Strengthening rules for older multi-unit wood-frame buildings beyond standard soft-story compliance, including shear-wall and tie-down requirements.
Retrofit requirements for pre-Northridge steel moment-frame buildings whose welded connections proved brittle in 1994, including identification and remediation programs.
Periodic inspection of exterior balconies, decks, and elevated walkways under California SB-326 (HOAs) and SB-721 (apartment buildings).
Retrofit requirements for tilt-up concrete buildings whose roof-to-wall connections often fail in earthquakes, including anchorage and continuity standards.