Does Freeport, FL need an earthquake retrofit?

Freeport carries Seismic Design Category B under USGS's ASCE 7-16 model. Low seismic hazard. Code requires basic seismic detailing (bracing, connections) but no special structural system restrictions. Nationally, Freeport ranks above 18% of the 4,875 cities in this dataset for seismic hazard - the 18th percentile.

Where Freeport sits in Florida

The raw figures: peak ground acceleration 0.035g, short-period spectral response 0.073g, 1-second spectral response 0.053g. Among 228 Florida cities in this dataset, Freeport ranks 29 for seismic hazard, the 88th percentile within the state. About 7,234 people live in Freeport, Florida.

Bracing and bolting: the actual cost

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.

Earthquake insurance for a Freeport home

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 Freeport address.

More on how this number was built

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