Home Remodeling Costs in Helena, MT
Remodeling costs in Helena run about 14% above the Montana median, based on home values and labor rates across its 2 ZIP codes in Lewis and Clark County. The ranges below reflect what Helena homeowners actually pay, from the cheapest to the priciest part of town.
- Cost index
- 1.14×
- Montana median
- Median home value
- $480,557
- Zillow ZHVI
- ZIP codes
- 2
- Lewis and Clark County
- Projects covered
- 10
- cost + ROI data
What Remodeling Projects Cost in Helena (2026)
Ranges span Helena'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
$10,068 - $16,531
Typical
$13,110
Cost range
$15,444 - $25,357
Typical
$20,110
Cost range
$23,639 - $38,813
Typical
$30,780
Cost range
$21,537 - $35,363
Typical
$28,044
Cost range
$3,940 - $6,469
Typical
$5,130
Cost range
$15,422 - $25,322
Typical
$20,081
Cost range
$50,341 - $82,656
Typical
$65,550
Cost range
$15,493 - $25,438
Typical
$20,173
Cost range
$2,062 - $3,385
Typical
$2,685
Cost range
$8,755 - $14,375
Typical
$11,400
| Project | Cost range | Typical | ROI | Details |
|---|---|---|---|---|
| Roofing Replacement | $10,068 - $16,531 | $13,110 | 72/100 | ZIP estimate → |
| Window Replacement | $15,444 - $25,357 | $20,110 | 80/100 | ZIP estimate → |
| Kitchen Remodel | $23,639 - $38,813 | $30,780 | 100/100 | ZIP estimate → |
| Bathroom Remodel | $21,537 - $35,363 | $28,044 | 69/100 | ZIP estimate → |
| Garage Door Replacement | $3,940 - $6,469 | $5,130 | 100/100 | ZIP estimate → |
| Deck Addition | $15,422 - $25,322 | $20,081 | 97/100 | ZIP estimate → |
| Basement Finishing | $50,341 - $82,656 | $65,550 | 78/100 | ZIP estimate → |
| Siding Replacement | $15,493 - $25,438 | $20,173 | 100/100 | ZIP estimate → |
| Entry Door Replacement | $2,062 - $3,385 | $2,685 | 100/100 | ZIP estimate → |
| HVAC Replacement | $8,755 - $14,375 | $11,400 | 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 21% across Helena. Open your ZIP for the full local breakdown.