Does La Joya, TX need an earthquake retrofit?
La Joya 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. Nationally, La Joya ranks above 0% of the 4,875 cities in this dataset for seismic hazard - the 0th percentile.
La Joya by the numbers
The raw figures: peak ground acceleration 0.019g, short-period spectral response 0.041g, 1-second spectral response 0.013g. Among 384 Texas cities in this dataset, La Joya ranks 377 for seismic hazard, the 2th percentile within the state. About 5,129 people live in La Joya, Texas.
What a retrofit costs in La Joya
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.
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 La Joya address.
More on how this number was built
The methodology guide covers exactly how USGS's public design-maps API produced La Joya'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.