Home Remodeling Costs in Thornton, CO
Remodeling costs in Thornton run right around the Colorado median, based on home values and labor rates across its 4 ZIP codes in Adams County. The ranges below reflect what Thornton homeowners actually pay, from the cheapest to the priciest part of town.
- Cost index
- 1.03×
- Colorado median
- Median home value
- $514,762
- Zillow ZHVI
- ZIP codes
- 4
- Adams County
- Projects covered
- 10
- cost + ROI data
What Remodeling Projects Cost in Thornton (2026)
Ranges span Thornton'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
$8,309 - $17,060
Typical
$11,816
Cost range
$12,745 - $26,169
Typical
$18,125
Cost range
$19,508 - $40,055
Typical
$27,743
Cost range
$17,774 - $36,494
Typical
$25,277
Cost range
$3,251 - $6,676
Typical
$4,624
Cost range
$12,727 - $26,132
Typical
$18,099
Cost range
$41,544 - $85,301
Typical
$59,081
Cost range
$12,785 - $26,252
Typical
$18,183
Cost range
$1,701 - $3,494
Typical
$2,420
Cost range
$7,225 - $14,835
Typical
$10,275
| Project | Cost range | Typical | ROI | Details |
|---|---|---|---|---|
| Roofing Replacement | $8,309 - $17,060 | $11,816 | 72/100 | ZIP estimate → |
| Window Replacement | $12,745 - $26,169 | $18,125 | 80/100 | ZIP estimate → |
| Kitchen Remodel | $19,508 - $40,055 | $27,743 | 100/100 | ZIP estimate → |
| Bathroom Remodel | $17,774 - $36,494 | $25,277 | 69/100 | ZIP estimate → |
| Garage Door Replacement | $3,251 - $6,676 | $4,624 | 100/100 | ZIP estimate → |
| Deck Addition | $12,727 - $26,132 | $18,099 | 97/100 | ZIP estimate → |
| Basement Finishing | $41,544 - $85,301 | $59,081 | 78/100 | ZIP estimate → |
| Siding Replacement | $12,785 - $26,252 | $18,183 | 100/100 | ZIP estimate → |
| Entry Door Replacement | $1,701 - $3,494 | $2,420 | 100/100 | ZIP estimate → |
| HVAC Replacement | $7,225 - $14,835 | $10,275 | 80/100 | 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 52% across Thornton. Open your ZIP for the full local breakdown.