How to Price a Roofing Job

A practical pricing guide for roofing contractors covering measurement, waste, materials, labor, and a complete 25-square re-roof example.

Measuring the roof correctly

Calculate roof squares, factor in pitch, and add the right waste percentage for shingle vs metal vs tile installations.

Pricing materials and labor

Cover shingles, underlayment, drip edge, flashing, ridge vent, fasteners, dump fees, and a fully loaded labor rate per square.

Worked example: 25-square re-roof

Step through a realistic 25-square architectural shingle re-roof, including tear-off, decking allowance, and a target margin.