Palmetto Bay's Seismic Design Category, explained

Under the seismic model IBC and ASCE 7 use for new construction, Palmetto Bay is Category A. Lowest seismic design category. Building code requires no seismic-specific detailing here beyond ordinary construction practice. Nationally, Palmetto Bay ranks above 0% of the 4,875 cities in this dataset for seismic hazard - the 0th percentile.

How Palmetto Bay compares

The raw figures: peak ground acceleration 0.018g, short-period spectral response 0.04g, 1-second spectral response 0.02g. Among 228 Florida cities in this dataset, Palmetto Bay ranks 223 for seismic hazard, the 2th percentile within the state. About 25,402 people live in Palmetto Bay, Florida.

What a retrofit costs in Palmetto Bay

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.

Insuring against this, not just retrofitting

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 Palmetto Bay address.

More on how this number was built

The methodology guide covers exactly how USGS's public design-maps API produced Palmetto Bay'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.