A San Antonio Homeowner's Guide to Window Replacement
Updated July 2026. A local resource for San Antonio homeowners, not a window company.
Old windows have a way of introducing themselves in San Antonio. The AC runs all day. The room with the west-facing glass never quite cools off. Then the CPS Energy bill arrives, and suddenly you are counting windows.
Before anyone takes a seat at your kitchen table, know what the local numbers actually say. A standard replacement here runs $700 to $1,800 per window installed. The heavily advertised brand-name replacement programs run $1,800 to $3,500 or more per window. Both are real local numbers. The useful question is what kind of window, glass, installation, and company stands behind each one.
What this covers
The facts that matter most are usually the ones a sales appointment rushes past. This guide lays out the published price range, the permit rule the city's own list settles, what historic district guidelines really allow, why demand peaks in September at nearly double the yearly average, and the one warranty question that may matter most in year ten.
If you would rather talk through your project, the contact page sends serious requests to one local company.