Does Lake Jackson, TX need an earthquake retrofit?

Lake Jackson carries Seismic Design Category A under USGS's ASCE 7-16 model. Lowest seismic design category. Building code requires no seismic-specific detailing here beyond ordinary construction practice. Rank it against the rest of the country and Lake Jackson sits at the 10th percentile for seismic hazard among 4,875 US cities.

Where Lake Jackson sits in Texas

The raw figures: peak ground acceleration 0.029g, short-period spectral response 0.061g, 1-second spectral response 0.034g. Among 384 Texas cities in this dataset, Lake Jackson ranks 273 for seismic hazard, the 29th percentile within the state. About 28,158 people live in Lake Jackson, Texas.

What a retrofit costs in Lake Jackson

Outside California, no state-level retrofit grant equivalent to Brace + Bolt could be found for Texas. 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 Lake Jackson address.

More on how this number was built

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