Does Rye Brook, NY need an earthquake retrofit?

Under the seismic model IBC and ASCE 7 use for new construction, Rye Brook is Category B. Low seismic hazard. Code requires basic seismic detailing (bracing, connections) but no special structural system restrictions. Nationally, Rye Brook ranks above 64% of the 4,875 cities in this dataset for seismic hazard - the 64th percentile.

Where Rye Brook sits in New York

The raw figures: peak ground acceleration 0.173g, short-period spectral response 0.282g, 1-second spectral response 0.06g. Among 170 New York cities in this dataset, Rye Brook ranks 41 for seismic hazard, the 76th percentile within the state. About 9,900 people live in Rye Brook, New York.

What a retrofit costs in Rye Brook

Outside California, no state-level retrofit grant equivalent to Brace + Bolt could be found for New York. 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 Rye Brook address.

More on how this number was built

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