Demolition Cost Calculator
Last updated: October 15, 2026
Estimate a building-demolition project cost from square footage, demolition rate, hazardous materials, disposal, utilities, permits and restoration.
Starting figures illustrate this model. Enter your own measurements, quoted costs and applicable terms; this page does not retrieve live prices or provider rates.
Estimated demolition project cost
—
- Area-based demolition: —
- Hazardous materials and disposal: —
- Utilities, permits and restoration: —
- Estimated cost per sq ft: —
On this page
Quick summary: Estimate a building-demolition project cost from square footage, demolition rate, hazardous materials, disposal, utilities, permits and restoration.
Read the complete guide
Updated reference sections in this guide are in English.
What this calculator estimates
Estimate a building-demolition project cost from square footage, demolition rate, hazardous materials, disposal, utilities, permits and restoration.
How to use it
Enter Building area (sq ft); Demolition cost per sq ft ($); Hazardous-material allowance ($); Debris hauling and disposal ($); Utility disconnects and site safety ($); Permits, surveys and notifications ($); Grading and site restoration ($); Contingency (%). Select Calculate to update the results.
How the calculation works
The estimate combines area-based demolition with hazardous-material, disposal, utility, permit and restoration allowances, then applies contingency.
Worked example: starting scenario
| Building area (sq ft) | 2000 |
|---|---|
| Demolition cost per sq ft ($) | 10 |
| Hazardous-material allowance ($) | 5000 |
| Debris hauling and disposal ($) | 5000 |
| Utility disconnects and site safety ($) | 2000 |
| Permits, surveys and notifications ($) | 1000 |
| Grading and site restoration ($) | 3000 |
| Contingency (%) | 10 |
| Estimated demolition project cost | $39,600.00 |
|---|---|
| Area-based demolition | $20,000.00 |
| Hazardous materials and disposal | $10,000.00 |
| Utilities, permits and restoration | $6,000.00 |
| Estimated cost per sq ft | $19.80 |
Important limitations
Structure type, access, recycling, hazardous materials, foundation removal, neighboring buildings, permits, utility coordination and disposal fees affect actual bids.