Does Schaumburg, IL need an earthquake retrofit?

Under the seismic model IBC and ASCE 7 use for new construction, Schaumburg is Category B. Low seismic hazard. Code requires basic seismic detailing (bracing, connections) but no special structural system restrictions. That puts Schaumburg in the 39th percentile nationally for seismic hazard - higher than 39% of the 4,875 US cities USGS was checked against here.

Schaumburg by the numbers

USGS's underlying values for Schaumburg: 0.062g peak ground acceleration, 0.122g at short period, 0.062g at 1 second. Within Illinois alone, Schaumburg ranks 195 of 330 cities by seismic hazard - the 41th percentile in-state. Schaumburg has a population of about 77,099.

What a retrofit costs in Schaumburg

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 Illinois 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 Illinois.

What this means for insurance

A Schaumburg 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 Schaumburg's figures come from

Schaumburg'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 Schaumburg.