Home Remodeling Costs in Trenton, NJ
Remodeling costs in Trenton run about 22% below the New Jersey median, based on home values and labor rates across its 9 ZIP codes in Mercer County. The ranges below reflect what Trenton homeowners actually pay, from the cheapest to the priciest part of town.
- Cost index
- 0.78×
- New Jersey median
- Median home value
- $367,756
- Zillow ZHVI
- ZIP codes
- 9
- Mercer County
- Projects covered
- 10
- cost + ROI data
What Remodeling Projects Cost in Trenton (2026)
Ranges span Trenton'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 - $14,944
Typical
$9,021
Cost range
$10,496 - $22,923
Typical
$13,838
Cost range
$16,065 - $35,086
Typical
$21,180
Cost range
$14,637 - $31,968
Typical
$19,297
Cost range
$2,678 - $5,848
Typical
$3,530
Cost range
$10,481 - $22,891
Typical
$13,818
Cost range
$34,213 - $74,721
Typical
$45,106
Cost range
$10,529 - $22,996
Typical
$13,882
Cost range
$1,401 - $3,060
Typical
$1,847
Cost range
$5,950 - $12,995
Typical
$7,844
| Project | Cost range | Typical | ROI | Details |
|---|---|---|---|---|
| Roofing Replacement | $6,842 - $14,944 | $9,021 | 58/100 | ZIP estimate → |
| Window Replacement | $10,496 - $22,923 | $13,838 | 64/100 | ZIP estimate → |
| Kitchen Remodel | $16,065 - $35,086 | $21,180 | 100/100 | ZIP estimate → |
| Bathroom Remodel | $14,637 - $31,968 | $19,297 | 80/100 | ZIP estimate → |
| Garage Door Replacement | $2,678 - $5,848 | $3,530 | 100/100 | ZIP estimate → |
| Deck Addition | $10,481 - $22,891 | $13,818 | 94/100 | ZIP estimate → |
| Basement Finishing | $34,213 - $74,721 | $45,106 | 63/100 | ZIP estimate → |
| Siding Replacement | $10,529 - $22,996 | $13,882 | 99/100 | ZIP estimate → |
| Entry Door Replacement | $1,401 - $3,060 | $1,847 | 100/100 | ZIP estimate → |
| HVAC Replacement | $5,950 - $12,995 | $7,844 | 69/100 | ZIP estimate → |
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 61% across Trenton. Open your ZIP for the full local breakdown.