Home Remodeling Costs in Longmont, CO
Remodeling costs in Longmont run about 21% above the Colorado median, based on home values and labor rates across its 3 ZIP codes in Boulder County. The ranges below reflect what Longmont homeowners actually pay, from the cheapest to the priciest part of town.
- Cost index
- 1.21×
- Colorado median
- Median home value
- $605,874
- Zillow ZHVI
- ZIP codes
- 3
- Boulder County
- Projects covered
- 10
- cost + ROI data
What Remodeling Projects Cost in Longmont (2026)
Ranges span Longmont'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
$9,580 - $19,573
Typical
$13,877
Cost range
$14,694 - $30,023
Typical
$21,286
Cost range
$22,491 - $45,954
Typical
$32,580
Cost range
$20,492 - $41,869
Typical
$29,684
Cost range
$3,749 - $7,659
Typical
$5,430
Cost range
$14,673 - $29,981
Typical
$21,255
Cost range
$47,898 - $97,865
Typical
$69,383
Cost range
$14,741 - $30,119
Typical
$21,353
Cost range
$1,962 - $4,008
Typical
$2,842
Cost range
$8,330 - $17,020
Typical
$12,067
| Project | Cost range | Typical | ROI | Details |
|---|---|---|---|---|
| Roofing Replacement | $9,580 - $19,573 | $13,877 | 72/100 | ZIP estimate → |
| Window Replacement | $14,694 - $30,023 | $21,286 | 80/100 | ZIP estimate → |
| Kitchen Remodel | $22,491 - $45,954 | $32,580 | 100/100 | ZIP estimate → |
| Bathroom Remodel | $20,492 - $41,869 | $29,684 | 69/100 | ZIP estimate → |
| Garage Door Replacement | $3,749 - $7,659 | $5,430 | 100/100 | ZIP estimate → |
| Deck Addition | $14,673 - $29,981 | $21,255 | 97/100 | ZIP estimate → |
| Basement Finishing | $47,898 - $97,865 | $69,383 | 78/100 | ZIP estimate → |
| Siding Replacement | $14,741 - $30,119 | $21,353 | 100/100 | ZIP estimate → |
| Entry Door Replacement | $1,962 - $4,008 | $2,842 | 100/100 | ZIP estimate → |
| HVAC Replacement | $8,330 - $17,020 | $12,067 | 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 51% across Longmont. Open your ZIP for the full local breakdown.