Home Remodeling Costs in Chelmsford, MA
Remodeling costs in Chelmsford run about 4% above the Massachusetts median, based on home values and labor rates across its 2 ZIP codes in Middlesex County. The ranges below reflect what Chelmsford homeowners actually pay, from the cheapest to the priciest part of town.
- Cost index
- 1.04×
- Massachusetts median
- Median home value
- $633,011
- Zillow ZHVI
- ZIP codes
- 2
- Middlesex County
- Projects covered
- 10
- cost + ROI data
What Remodeling Projects Cost in Chelmsford (2026)
Ranges span Chelmsford'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
$8,895 - $15,605
Typical
$12,018
Cost range
$13,645 - $23,937
Typical
$18,434
Cost range
$20,885 - $36,639
Typical
$28,215
Cost range
$19,028 - $33,382
Typical
$25,707
Cost range
$3,481 - $6,106
Typical
$4,703
Cost range
$13,625 - $23,904
Typical
$18,408
Cost range
$44,476 - $78,028
Typical
$60,087
Cost range
$13,688 - $24,013
Typical
$18,492
Cost range
$1,822 - $3,196
Typical
$2,461
Cost range
$7,735 - $13,570
Typical
$10,450
| Project | Cost range | Typical | ROI | Details |
|---|---|---|---|---|
| Roofing Replacement | $8,895 - $15,605 | $12,018 | 63/100 | ZIP estimate → |
| Window Replacement | $13,645 - $23,937 | $18,434 | 71/100 | ZIP estimate → |
| Kitchen Remodel | $20,885 - $36,639 | $28,215 | 100/100 | ZIP estimate → |
| Bathroom Remodel | $19,028 - $33,382 | $25,707 | 91/100 | ZIP estimate → |
| Garage Door Replacement | $3,481 - $6,106 | $4,703 | 100/100 | ZIP estimate → |
| Deck Addition | $13,625 - $23,904 | $18,408 | 79/100 | ZIP estimate → |
| Basement Finishing | $44,476 - $78,028 | $60,087 | 70/100 | ZIP estimate → |
| Siding Replacement | $13,688 - $24,013 | $18,492 | 100/100 | ZIP estimate → |
| Entry Door Replacement | $1,822 - $3,196 | $2,461 | 100/100 | ZIP estimate → |
| HVAC Replacement | $7,735 - $13,570 | $10,450 | 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 30% across Chelmsford. Open your ZIP for the full local breakdown.