How much does window replacement cost in Wilmington?
Wilmington, DE · New Castle County · 10 ZIP codes · Data updated May 2026
A window replacement in Wilmington typically costs $10,496 - $30,429, with most homeowners paying around $17,252. Wilmington sits right around the Delaware median, and quotes can vary up to 114% between its cheapest and most expensive ZIP codes, so the neighborhood matters as much as the contractor.
It's a strong investment here: homeowners in this region recoup roughly 83% of the cost at resale, about $14,250 on a typical Wilmington job.
September is high-demand season for window replacement in this climate. Contractors in New Castle County are booking about 4 weeks out, and rates run about 5% above the annual average, so off-season quotes come in lower.
Wilmington Cost Range
$10,496 - $30,429
Typical: $17,252
Strong ROI
Equity Gain
$14,250
Added at resale
on a typical Wilmington job
High season · ~4 wk contractor lead time
Window Replacement Cost by ZIP Code in Wilmington
Each ZIP gets its own estimate from local home values and labor rates. Open yours for the full breakdown, seasonality, and ROI detail.
| ZIP | Estimated range | vs. city average | Details |
|---|---|---|---|
| 19801 | $10,496 - $14,200 | -28% | Full estimate → |
| 19802 | $10,496 - $14,200 | -28% | Full estimate → |
| 19805 | $10,496 - $14,200 | -28% | Full estimate → |
| 19804 | $11,246 - $15,214 | -23% | Full estimate → |
| 19809 | $12,895 - $17,446 | -12% | Full estimate → |
| 19806 | $14,094 - $19,069 | -4% | Full estimate → |
| 19808 | $14,994 - $20,286 | +2% | Full estimate → |
| 19810 | $18,892 - $25,560 | +29% | Full estimate → |
| 19803 | $20,542 - $27,792 | +40% | Full estimate → |
| 19807 | $22,491 - $30,429 | +53% | Full estimate → |
Frequently Asked Questions
How much does a window replacement cost in Wilmington?
Based on 2026 data, a window replacement in Wilmington, DE costs $10,496 - $30,429, with a typical price around $17,252. The range covers Wilmington's 10 ZIP codes and the ±15% variance between contractor bids.
Is a window replacement worth it in Wilmington?
Homeowners in this region typically recoup about 83% of the cost at resale, roughly $14,250 on a $17,252 project. That makes it one of the stronger-returning projects you can do here.
Why do window replacement quotes vary across Wilmington?
Local home values and labor rates differ by ZIP code. In Wilmington, the same project can cost up to 114% more in the most expensive ZIP than in the least expensive one. Check your exact ZIP below for a precise range.
Other Project Costs in Wilmington
Sources: Remodeling Magazine Cost vs. Value, Zillow ZHVI, BLS construction wages, US Census. Methodology