Cost Per Square Foot Calculator
Two calculators in one. Find cost per square foot from a total budget, or calculate the total project cost from a rate. Perfect for comparing contractor bids, estimating renovation budgets, and benchmarking real estate values.
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Construction Cost Per Square Foot Benchmarks (2024–2025)
Use these benchmarks to evaluate contractor bids or establish initial project budgets. Rates include materials and labor but exclude land, site work, and soft costs unless noted.
| Project Type | Low Range | Average | High End |
|---|---|---|---|
| New Home Construction | $110/sq ft | $200/sq ft | $500+/sq ft |
| Home Addition | $90/sq ft | $175/sq ft | $350/sq ft |
| Kitchen Remodel | $75/sq ft | $175/sq ft | $400/sq ft |
| Bathroom Remodel | $120/sq ft | $250/sq ft | $600/sq ft |
| Basement Finish | $45/sq ft | $90/sq ft | $200/sq ft |
| Office Build-Out (TI) | $60/sq ft | $140/sq ft | $300/sq ft |
| Retail Space | $80/sq ft | $180/sq ft | $380/sq ft |
| Warehouse / Industrial | $40/sq ft | $90/sq ft | $160/sq ft |
| Garage (Detached) | $35/sq ft | $65/sq ft | $130/sq ft |
| Deck / Outdoor Structure | $15/sq ft | $35/sq ft | $80/sq ft |
State-by-State Cost Per Square Foot Index (New Home, Standard Grade)
These are estimated cost per square foot rates for standard-grade new home construction, adjusted by regional labor and material cost multipliers.
| State | Cost Multiplier | Low ($/sq ft) | Average ($/sq ft) | High ($/sq ft) |
|---|---|---|---|---|
| California | 1.25x | $138 | $250 | $625+ |
| Texas | 0.92x | $101 | $184 | $460+ |
| Florida | 0.96x | $106 | $192 | $480+ |
| New York | 1.2x | $132 | $240 | $600+ |
| Pennsylvania | 1.02x | $112 | $204 | $510+ |
| Illinois | 1.06x | $117 | $212 | $530+ |
| Ohio | 0.9x | $99 | $180 | $450+ |
| Georgia | 0.93x | $102 | $186 | $465+ |
| North Carolina | 0.91x | $100 | $182 | $455+ |
| Michigan | 0.98x | $108 | $196 | $490+ |
What's Included in Cost Per Square Foot?
Understanding what is (and isn't) typically included in a $/sq ft figure is critical to accurate budgeting:
✅ Usually Included
- Framing materials and labor
- Exterior envelope (roofing, siding, windows)
- Rough plumbing, electrical, HVAC
- Insulation and drywall
- Standard interior finishes
- General contractor overhead
❌ Usually Excluded
- Land purchase and closing costs
- Site preparation and grading
- Utility connections (water, sewer, electrical)
- Landscaping and driveways
- Architectural and engineering fees
- Permit and inspection fees
Frequently Asked Questions
What is the average cost per square foot to build a house in the US?
The national average cost to build a house is approximately $150 to $350 per square foot for standard to mid-range construction in 2024–2025. Custom luxury homes often exceed $500 per square foot.
How do I calculate cost per square foot for flooring?
Divide the total flooring cost (materials + installation) by the total square footage. For example, $3,500 for 800 sq ft of LVP flooring = $4.38 per square foot.
Is cost per square foot the best way to compare contractor bids?
Cost per square foot is useful for initial ballpark comparisons, but you must also compare scope of work, material specifications, warranty terms, and the contractor's reputation. Two identical $/sq ft bids can have very different deliverables.
How does lot size affect cost per square foot?
Lot size affects site work, grading, utility runs, and landscaping costs — none of which are included in the building's square footage. These can add $20,000–$80,000+ to a project without changing the per-square-foot building cost.
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Read Cost Guide →Average Cost to Build a House in the US (State-by-State Cost Guide)An in-depth breakdown of residential home building costs, framing estimates, permits, and finishing budgets.
Read Cost Guide →Related Articles
Related State Cost Pages
Select a state to view localized material costs, labor rates, and custom estimates adjusted for regional price variations.
Related FAQs
Why is cost per square foot useful in construction?
It provides a standardized metric to compare builder bids, material costs, and real estate valuations across different regions.
Does a larger building have a lower cost per square foot?
Yes. Due to economies of scale, larger buildings spread the fixed costs of site work, foundations, and mobilization over more square footage, reducing the cost per unit area.