Sugar Land's Seismic Design Category, explained

USGS's ASCE 7-16 seismic design model - the same standard building codes use - places Sugar Land in Seismic Design Category A: Lowest seismic design category. Building code requires no seismic-specific detailing here beyond ordinary construction practice. That puts Sugar Land in the 12th percentile nationally for seismic hazard - higher than 12% of the 4,875 US cities USGS was checked against here.

Sugar Land by the numbers

USGS's underlying values for Sugar Land: 0.032g peak ground acceleration, 0.065g at short period, 0.037g at 1 second. Within Texas alone, Sugar Land ranks 235 of 384 cities by seismic hazard - the 39th percentile in-state. Sugar Land has a population of about 109,851.

Retrofit economics for Sugar Land

A full earthquake retrofit typically runs $5,000-$10,000 nationally (around $7,000 typical), driven mainly by house size and foundation type, not by Texas specifically. California's Earthquake Brace + Bolt grant, which covers a large share of this cost, is a California-only program and does not apply in Texas.

Earthquake insurance for a Sugar Land home

A Sugar Land homeowner cannot buy a standalone earthquake policy in most cases - it is added to an existing homeowners policy as an endorsement, so the place to start is a regular home-insurance quote.

Where Sugar Land's figures come from

Sugar Land's Category A and every number above trace to USGS's own ASCE 7-16 Design Maps service - see the methodology guide. See the category explainer for what Category A does and doesn't tell you about Sugar Land.