$8,200 – $18,500 to replace the windows in an average home
What most homeowners spend; the full range runs $4,100–$41,200 by scope. That’s about 3% above the national average for Wilmington.
Get a free quote from local pros →Cost swings widely with what you're actually doing — a cosmetic refresh and a full replacement are different projects. Here's the range at each scope.
In Wilmington, DE, most homeowners spend $8,200–$18,500 to replace the windows in an average home — the full range runs $4,100–$41,200 depending on scope. Wilmington tracks close to national averages, so a typical national ballpark is a reasonable starting point.
Source: ZeroFi estimate · national industry cost ranges, updated 2026-07 · adjusted to Wilmington by ZeroFi's local cost index (×1.03). Planning ranges, not quotes — describe your job for a real estimate.
Double-pane low-E vinyl windows are the US standard — the ranges above assume a whole-home replacement in these. The regional product — not just labor rates — is why prices differ, so the ranges above reflect Wilmington's typical setup.
Read the full window replacement guide →
In Wilmington, DE, expect $8,200–$18,500 to replace the windows in an average home — about 3% above the national average. Your exact price depends on frame material — vinyl vs. fiberglass vs. wood and glass package (double vs. triple pane, low-e). Describe your job to get a real quote from local pros.
Wilmington tracks close to national averages, so a typical national ballpark is a reasonable starting point.
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