HomeCostGuide

Roofing cost guide

How much does roof replacement cost?

Use this guide to understand roof size, material choices, tear-off, decking repair, flashing, ventilation, and quote details before replacing a roof.

Quick planning action

Estimate roofing costs with the free calculator

Open roofing calculator

The calculator uses roof size, material, pitch, tear-off, and complexity to create a planning range.

Roof replacement cost drivers

Roof size and pitch

Roofing is often priced by roof area, and steep or complex roofs can increase labor, safety, and waste.

Material choice

Asphalt shingles, architectural shingles, metal, tile, and premium systems have very different installed costs.

Tear-off and decking

Multiple old layers, damaged decking, rot, and hidden repairs can add cost after work begins.

Flashing and ventilation

Valleys, chimneys, skylights, wall flashing, drip edge, underlayment, and attic ventilation are important quote details.

Three roofing budgeting rules

  • Compare full roof systems. Look beyond shingles and compare underlayment, flashing, vents, drip edge, starter, ridge cap, and warranty.
  • Plan for decking surprises. Ask how damaged plywood or boards will be priced if discovered during tear-off.
  • Confirm cleanup and protection. Landscaping protection, magnetic nail cleanup, disposal, and permits should be clear in the quote.

What to ask roofing contractors

How many existing layers are included in tear-off?

What underlayment, flashing, ventilation, and ridge materials are included?

How are decking repairs priced if damage is found?

What manufacturer and labor warranties apply?

Roofing cost FAQs

What is a roofing square?

A roofing square is 100 square feet of roof area. Roof area is usually larger than home footprint because of pitch and overhangs.

Does roof replacement include decking repair?

Usually not as a fixed amount. Contractors often price damaged decking separately after tear-off reveals the condition.

Is the cheapest roof quote the best choice?

Not necessarily. Compare materials, flashing, ventilation, warranty, cleanup, and repair allowances before choosing.

Why this guide matters

Roof quotes can vary because contractors include different materials and repair assumptions. A structured scope makes price differences easier to understand.