Home Remodeling Costs in Saint Charles, MO
Remodeling costs in Saint Charles run about 43% above the Missouri median, based on home values and labor rates across its 3 ZIP codes in Saint Charles County. The ranges below reflect what Saint Charles homeowners actually pay, from the cheapest to the priciest part of town.
- Cost index
- 1.43×
- Missouri median
- Median home value
- $357,887
- Zillow ZHVI
- ZIP codes
- 3
- Saint Charles County
- Projects covered
- 10
- cost + ROI data
What Remodeling Projects Cost in Saint Charles (2026)
Ranges span Saint Charles'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
$12,805 - $19,838
Typical
$16,407
Cost range
$19,642 - $30,429
Typical
$25,166
Cost range
$30,065 - $46,575
Typical
$38,520
Cost range
$27,392 - $42,435
Typical
$35,096
Cost range
$5,011 - $7,762
Typical
$6,420
Cost range
$19,614 - $30,386
Typical
$25,131
Cost range
$64,026 - $99,187
Typical
$82,033
Cost range
$19,704 - $30,526
Typical
$25,246
Cost range
$2,622 - $4,062
Typical
$3,360
Cost range
$11,135 - $17,250
Typical
$14,267
| Project | Cost range | Typical | ROI | Details |
|---|---|---|---|---|
| Roofing Replacement | $12,805 - $19,838 | $16,407 | 54/100 | ZIP estimate → |
| Window Replacement | $19,642 - $30,429 | $25,166 | 70/100 | ZIP estimate → |
| Kitchen Remodel | $30,065 - $46,575 | $38,520 | 95/100 | ZIP estimate → |
| Bathroom Remodel | $27,392 - $42,435 | $35,096 | 77/100 | ZIP estimate → |
| Garage Door Replacement | $5,011 - $7,762 | $6,420 | 100/100 | ZIP estimate → |
| Deck Addition | $19,614 - $30,386 | $25,131 | 74/100 | ZIP estimate → |
| Basement Finishing | $64,026 - $99,187 | $82,033 | 74/100 | ZIP estimate → |
| Siding Replacement | $19,704 - $30,526 | $25,246 | 100/100 | ZIP estimate → |
| Entry Door Replacement | $2,622 - $4,062 | $3,360 | 100/100 | ZIP estimate → |
| HVAC Replacement | $11,135 - $17,250 | $14,267 | 63/100 | 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 15% across Saint Charles. Open your ZIP for the full local breakdown.