Roofing bid cost calculator

Estimate materials + labor + dump fees for an asphalt-shingle reroof. Squares-based estimate that mirrors how real roofers price.

Roof squares

1 square = 100 sqft of roof surface. A 2,000 sqft house with a 6/12 pitch is roughly 25 squares.Material $ per square

Architectural shingles: $90-130/sq. Premium / impact-rated: $150-220/sq.Labor $ per square

Residential tear-off + install: $150-250/sq. Steeper pitch = more.Tear-off $ per square

Dumpsters needed

One 20-yard dumpster handles ~20-25 squares of tear-off.Dumpster fee (each)

Permit fee

Contractor overhead + profit %

Industry standard markup on subbed labor & materials.

Total roofing bid

Materials + labor + overhead

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