Home Remodeling Costs in Wilmington, DE
Remodeling costs in Wilmington run right around the Delaware median, based on home values and labor rates across its 10 ZIP codes in New Castle County. The ranges below reflect what Wilmington homeowners actually pay, from the cheapest to the priciest part of town.
- Cost index
- 0.98×
- Delaware median
- Median home value
- $396,615
- Zillow ZHVI
- ZIP codes
- 10
- New Castle County
- Projects covered
- 10
- cost + ROI data
What Remodeling Projects Cost in Wilmington (2026)
Ranges span Wilmington's least to most expensive ZIPs, including the ±15% contractor variance. ROI is the share of cost typically recouped at resale in your census region.
Cost range
$6,842 - $19,838
Typical
$11,247
Cost range
$10,496 - $30,429
Typical
$17,252
Cost range
$16,065 - $46,575
Typical
$26,406
Cost range
$14,637 - $42,435
Typical
$24,059
Cost range
$2,678 - $7,762
Typical
$4,401
Cost range
$10,481 - $30,386
Typical
$17,227
Cost range
$34,213 - $99,187
Typical
$56,235
Cost range
$10,529 - $30,526
Typical
$17,307
Cost range
$1,401 - $4,062
Typical
$2,303
Cost range
$5,950 - $17,250
Typical
$9,780
| Project | Cost range | Typical | ROI | Details |
|---|---|---|---|---|
| Roofing Replacement | $6,842 - $19,838 | $11,247 | 70/100 | Wilmington guide → |
| Window Replacement | $10,496 - $30,429 | $17,252 | 83/100 | Wilmington guide → |
| Kitchen Remodel | $16,065 - $46,575 | $26,406 | 100/100 | Wilmington guide → |
| Bathroom Remodel | $14,637 - $42,435 | $24,059 | 75/100 | Wilmington guide → |
| Garage Door Replacement | $2,678 - $7,762 | $4,401 | 100/100 | Wilmington guide → |
| Deck Addition | $10,481 - $30,386 | $17,227 | 83/100 | Wilmington guide → |
| Basement Finishing | $34,213 - $99,187 | $56,235 | 76/100 | Wilmington guide → |
| Siding Replacement | $10,529 - $30,526 | $17,307 | 100/100 | Wilmington guide → |
| Entry Door Replacement | $1,401 - $4,062 | $2,303 | 100/100 | Wilmington guide → |
| HVAC Replacement | $5,950 - $17,250 | $9,780 | 74/100 | Wilmington guide → |
Sources: Remodeling Magazine Cost vs. Value, Zillow ZHVI, BLS construction wages. Data updated 2026-05. How we calculate estimates
Roofing Replacement Cost by ZIP Code
Pick a project and the prices below update. Costs vary up to 114% across Wilmington. Open your ZIP for the full local breakdown.