Home Remodeling Costs in Waltham, MA
Remodeling costs in Waltham run about 37% above the Massachusetts median, based on home values and labor rates across its 3 ZIP codes in Middlesex County. The ranges below reflect what Waltham homeowners actually pay, from the cheapest to the priciest part of town.
- Cost index
- 1.37×
- Massachusetts median
- Median home value
- $831,489
- Zillow ZHVI
- ZIP codes
- 3
- Middlesex County
- Projects covered
- 10
- cost + ROI data
What Remodeling Projects Cost in Waltham (2026)
Ranges span Waltham'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
$13,099 - $18,912
Typical
$15,755
Cost range
$20,092 - $29,009
Typical
$24,167
Cost range
$30,753 - $44,402
Typical
$36,990
Cost range
$28,019 - $40,455
Typical
$33,702
Cost range
$5,126 - $7,400
Typical
$6,165
Cost range
$20,063 - $28,968
Typical
$24,133
Cost range
$65,493 - $94,559
Typical
$78,775
Cost range
$20,156 - $29,101
Typical
$24,244
Cost range
$2,682 - $3,873
Typical
$3,226
Cost range
$11,390 - $16,445
Typical
$13,700
| Project | Cost range | Typical | ROI | Details |
|---|---|---|---|---|
| Roofing Replacement | $13,099 - $18,912 | $15,755 | 63/100 | ZIP estimate → |
| Window Replacement | $20,092 - $29,009 | $24,167 | 71/100 | ZIP estimate → |
| Kitchen Remodel | $30,753 - $44,402 | $36,990 | 100/100 | ZIP estimate → |
| Bathroom Remodel | $28,019 - $40,455 | $33,702 | 91/100 | ZIP estimate → |
| Garage Door Replacement | $5,126 - $7,400 | $6,165 | 100/100 | ZIP estimate → |
| Deck Addition | $20,063 - $28,968 | $24,133 | 79/100 | ZIP estimate → |
| Basement Finishing | $65,493 - $94,559 | $78,775 | 70/100 | ZIP estimate → |
| Siding Replacement | $20,156 - $29,101 | $24,244 | 100/100 | ZIP estimate → |
| Entry Door Replacement | $2,682 - $3,873 | $3,226 | 100/100 | ZIP estimate → |
| HVAC Replacement | $11,390 - $16,445 | $13,700 | 92/100 | 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 7% across Waltham. Open your ZIP for the full local breakdown.