Does DeSoto, TX need an earthquake retrofit?

Under the seismic model IBC and ASCE 7 use for new construction, DeSoto is Category B. Low seismic hazard. Code requires basic seismic detailing (bracing, connections) but no special structural system restrictions. That puts DeSoto in the 23th percentile nationally for seismic hazard - higher than 23% of the 4,875 US cities USGS was checked against here.

Where DeSoto sits in Texas

USGS's underlying values for DeSoto: 0.042g peak ground acceleration, 0.089g at short period, 0.052g at 1 second. Within Texas alone, DeSoto ranks 144 of 384 cities by seismic hazard - the 63th percentile in-state. DeSoto has a population of about 56,711.

Retrofit economics for DeSoto

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.

Insuring against this, not just retrofitting

A DeSoto 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 DeSoto's figures come from

DeSoto's Category B 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 B does and doesn't tell you about DeSoto.