Commercial Roof Replacement Cost Calculator
Use this free commercial roof replacement cost calculator to get an instant estimate by roof area, system type (EPDM, TPO, PVC, BUR, modified bitumen), access/complexity, and location. Most commercial replacements run $4–$10+ per square foot. Get a low, average, and high estimate plus cost per square foot below.
How much does commercial roof replacement cost?
Commercial roof replacement typically costs $4–$10+ per square foot installed, or $40,000–$500,000+ for roofs of 10,000–50,000 sq ft. EPDM is usually the least expensive; TPO and PVC cost more and are reflective. Cost depends on system type, roof size, access, and location. Get 2–3 local commercial roofing quotes for an accurate price.
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Important Disclaimer:
These estimates are based on current market data and average costs. Actual costs may vary depending on your location, specific materials chosen, contractor rates, and project complexity. We recommend getting multiple quotes from local contractors for the most accurate pricing.
Average Commercial Roof Replacement Cost
National averages for commercial roof replacement range from about $4 to $10+ per square foot depending on system type and complexity. Below are typical ranges by system type (per sq ft) and by roof size (total cost).
Cost by system type (per sq ft)
Installed cost ranges
| System type | Est. cost per sq ft |
|---|---|
| EPDM (rubber) | $4–$7 |
| TPO | $5–$8 |
| PVC | $5–$9 |
| Modified bitumen | $5–$8 |
| Built-up (BUR) | $6–$10 |
Cost by roof size (total)
Typical total cost (EPDM, standard access)
| Roof size | Estimated cost |
|---|---|
| 10,000 sq ft | $45,000–$70,000 |
| 20,000 sq ft | $90,000–$140,000 |
| 30,000 sq ft | $135,000–$210,000 |
| 50,000 sq ft | $225,000–$350,000 |
What Affects Commercial Roof Replacement Cost?
System type, roof area, access/complexity, and location drive most of the variation.
- System type — EPDM is often cheapest; TPO/PVC and BUR cost more.
- Roof area — Larger roofs often get better per-sq-ft rates (economies of scale).
- Access & complexity — HVAC units, drains, parapets, and difficult access add labor.
- Location — Labor and material costs vary by region.
- Tear-off vs recover — Full tear-off costs more but is recommended when layers are multiple or damaged.
- Insulation — Adding or replacing insulation adds cost but improves energy performance.
Data from contractor quotes & supplier pricing
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Commercial Roof Replacement Cost FAQs
Common questions about commercial roof cost, EPDM vs TPO, membrane types, and warranties.
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Disclaimer: These estimates are for planning only and are based on national averages and typical commercial roof projects. Actual costs depend on your location, exact system type and thickness, number of penetrations, tear-off vs recover, contractor experience, and site conditions. Always get 2–3 written quotes from licensed, experienced commercial roof contractors before committing.