Home Renovation Cost Estimator
Get a quick cost estimate for any home renovation project. Select the project type, enter your square footage, and see estimated costs instantly.
Estimate Your Renovation Cost
Estimated Total
Renovation Cost per Square Foot
National average costs by project type and finish level.
| Project Type | Budget / sq ft | Mid-Range / sq ft | Premium / sq ft |
|---|---|---|---|
| Kitchen Remodel | $75 – $150 | $150 – $300 | $300 – $600 |
| Bathroom Remodel | $70 – $140 | $140 – $280 | $280 – $500 |
| Deck Addition | $15 – $25 | $25 – $50 | $50 – $100 |
| Siding Replacement | $5 – $10 | $10 – $18 | $18 – $35 |
| Roofing | $5 – $8 | $8 – $14 | $14 – $25 |
| Flooring | $3 – $7 | $7 – $15 | $15 – $30 |
| Interior Painting | $2 – $4 | $4 – $7 | $7 – $12 |
| Basement Finishing | $25 – $50 | $50 – $80 | $80 – $150 |
| Room Addition | $80 – $150 | $150 – $250 | $250 – $500 |
| Window Replacement | $15 – $25 | $25 – $45 | $45 – $80 |
Frequently Asked Questions
Start by identifying the project type, then multiply the square footage by the per-square-foot cost for your chosen finish level. Add 10-20% for contingency. Our calculator above does this automatically, adjusting for your region.
It varies widely by project. Interior painting costs $2 to $7 per square foot. Flooring runs $3 to $15. Kitchen remodels cost $75 to $300+ per square foot. Additions cost $80 to $250 per square foot. Always get multiple quotes for your specific project.
Budget 10-20% of your total project cost as contingency. For older homes (30+ years), lean toward 20%. Common surprises include outdated wiring, water damage behind walls, asbestos abatement, and foundation issues.
The highest ROI projects include garage door replacement (194% ROI), manufactured stone veneer (153%), minor kitchen remodels (96%), and fiber-cement siding (95%). Interior painting and landscaping also offer strong returns relative to their cost.
Labor costs are the primary driver of regional differences. The Northeast and West Coast are 10-15% above the national average. The South and Midwest are 10-15% below. Material costs are more uniform but still vary by local availability.
Yes, especially for major renovations. A pre-renovation inspection ($300 to $500) can reveal hidden problems like termite damage, mold, or outdated systems. Finding these early prevents costly surprises mid-project.
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