Home Improvement Costs in St. Louis, MO
Budgeting ranges for 30 popular projects in St. Louis, Missouri. Click any project for a full calculator and detailed factors.
City multiplier used on this hub: ×0.92 (approximation). Last updated December 28, 2025.
Project cost overview
These are rough ranges to help you plan. For an accurate quote, measure your scope and request bids from local pros.
| Project | Low | Typical | High |
|---|---|---|---|
| Fence Installation per ft |
$2,760 | $4,830 | $8,280 |
| Deck Installation per sq ft |
$6,624 | $12,144 | $19,872 |
| Pergola Installation per sq ft |
$5,888 | $10,304 | $17,664 |
| Paver Patio Installation per sq ft |
$3,312 | $5,520 | $9,660 |
| Concrete Patio / Slab per sq ft |
$2,576 | $4,508 | $7,084 |
| Asphalt Driveway per sq ft |
$2,208 | $3,864 | $6,624 |
| Roof Replacement per sq ft |
$6,624 | $11,592 | $19,872 |
| Window Replacement per window |
$4,140 | $7,360 | $12,880 |
| Siding Replacement per sq ft |
$8,832 | $14,720 | $26,496 |
| Gutter Installation per ft |
$994 | $1,987 | $3,312 |
| HVAC Replacement per system |
$5,980 | $8,740 | $13,340 |
| Water Heater Replacement (Tank) per unit |
$1,104 | $1,748 | $2,944 |
| Tankless Water Heater Installation per unit |
$2,300 | $3,496 | $5,520 |
| Bathroom Remodel per bathroom |
$5,474 | $12,512 | $27,370 |
| Kitchen Remodel per kitchen |
$13,800 | $32,200 | $69,000 |
| Basement Finishing per sq ft |
$16,560 | $30,360 | $55,200 |
| Attic Insulation per sq ft |
$1,380 | $2,760 | $5,520 |
| Solar Panel Installation per kW |
$13,800 | $17,664 | $23,184 |
| EV Charger Installation per charger |
$736 | $1,196 | $2,300 |
| Interior Painting per sq ft (floor area) |
$3,312 | $5,796 | $10,764 |
| Exterior Painting per sq ft (floor area) |
$5,060 | $9,108 | $16,192 |
| Flooring Installation (LVP / Laminate) per sq ft |
$2,944 | $5,152 | $8,832 |
| Drywall Installation / Replacement per sq ft |
$1,840 | $3,220 | $5,520 |
| Electrical Panel Upgrade per panel |
$1,380 | $2,760 | $5,060 |
| Recessed Lighting Installation per light |
$1,104 | $1,840 | $3,312 |
| Whole-Home Repipe (Plumbing) per home |
$3,680 | $8,280 | $14,720 |
| French Drain Installation per ft |
$1,380 | $2,484 | $4,692 |
| Epoxy Garage Floor Coating per sq ft |
$1,242 | $2,484 | $4,140 |
| Tree Removal per tree |
$276 | $782 | $2,024 |
| Landscaping (Full Yard Refresh) per sq ft |
$7,360 | $14,720 | $29,440 |
Next steps
- Pick a project above and use the calculator to match your scope.
- Confirm permit requirements for St. Louis with your city/county building department.
- Get 2–3 written quotes and compare scope line-by-line.