North Lauderdale's Seismic Design Category, explained

Under the seismic model IBC and ASCE 7 use for new construction, North Lauderdale is Category A. Lowest seismic design category. Building code requires no seismic-specific detailing here beyond ordinary construction practice. Nationally, North Lauderdale ranks above 2% of the 4,875 cities in this dataset for seismic hazard - the 2th percentile.

How North Lauderdale compares

The raw figures: peak ground acceleration 0.021g, short-period spectral response 0.044g, 1-second spectral response 0.022g. Among 228 Florida cities in this dataset, North Lauderdale ranks 166 for seismic hazard, the 27th percentile within the state. About 46,335 people live in North Lauderdale, Florida.

What a retrofit costs in North Lauderdale

Outside California, no state-level retrofit grant equivalent to Brace + Bolt could be found for Florida. A typical retrofit still runs $5,000-$10,000 nationally, about $7,000 for a common single-family job.

What this means for insurance

Outside California, earthquake coverage is typically sold as an endorsement added to a standard homeowners policy, not a separate product - worth asking about directly when getting a home-insurance quote for a North Lauderdale address.

More on how this number was built

The methodology guide covers exactly how USGS's public design-maps API produced North Lauderdale's numbers. The guide to what a Seismic Design Category actually means covers why a category is never a substitute for an engineer's assessment of one specific house.