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What is the average cost of a roof replacement?

Roofing team installing new gray GAF roof on stucco home

In 2021, the average roof replacement cost for an asphalt shingle roof was $10,419*

A new roof is a significant financial investment and roof costs can vary greatly depending on factors unique to your home. See more about factors that affect the cost of a new roof.
*Based on the 2021 Ipsos Project Decision Study, published 2021 by Home Improvement Research Institute

Factors that impact the cost of a new roof

The size and pitch of your roof, the location of your home, and the roofing materials you select are important factors that will influence the cost of your roof replacement.

Home size
The size of your roof is the biggest cost factor. Divide the number of square feet of roof surface area by 100 to get the roofing square number. Cost per square usually includes materials and installation.

Nail and hammer on top of asphalt roof shingles

Roof materials
This is the most variable cost. Asphalt shingles are the most popular and typically cost the least. Metal, wood, slate, clay or solar roofing materials usually cost more.

Slope and pitch of roof
Steep roofs can be more labor intensive, which may increase the estimate. The pitch and complexity of the roof may influence the roofing materials selected, which will also impact cost.

Where you live
The area you live in - its cost of living, climate, local building codes and permit requirements - are variables that also factor into the cost of your new roof.

Understanding your roof replacement cost

A new roof is so much more than just shingles. Before you talk to a contractor about your roof replacement project, it’s helpful to know some of the elements that go into a typical roofing estimate.

How many pros calculate an estimate for a roof replacement

  • Roof square footage - Contractors get most roof measurements digitally, using satellite images or drones. The measurements include facets, pitch, eaves, rakes and more. Learn about the parts that make up a residential roof.

  • Condition of Roof - The contractor may get up on your roof to check the condition of the shingles and other parts of the roof to figure out the scope of the project.

  • Recommended roof materials - Your contractor will outline the materials you need for your roof replacement, including shingles, ventilation products, and underlayment.  The cost of products varies depending on the materials you choose.

  • Warranty options - Eligible warranties may vary depending on the combination of products that are installed, as well as the certification of the contractor installing them. Contractors certified by GAF can offer our strongest warranties for your roof replacement. It’s always a good idea to learn about all of your warranty options. If you think your roof was damaged by a storm, or may be at risk of future storm damage, see our storm resources

  • Calculate labor costs -  To complete the estimate, your contractor will add in labor costs, and any fees that may apply for services such as permitting and disposal.

How to avoid hidden roof replacement costs

It pays to be an educated consumer for a home project like a roof replacement. Be sure that you understand all project costs before you accept an estimate. Click to learn more about how to plan for your new roof.

  • Choose a trusted contractor - A reliable contractor will readily answer any questions you have about your roof replacement and work with you to recommend the best roofing materials for your home and budget.

  • Look for a cost breakdown - Know exactly what you’ll get for the money you’re spending. Your contractor should be able to provide an itemized cost breakdown as part of your estimate and answer any questions you have.

  • Missing warranty information - Your contractor should be able to give you a full, clear explanation of available warranties and coverage, and that information should be reflected in your cost estimate.

  • Ask about clean up costs - The cost to remove old roofing material and clean the work area during and after installation should be part of your estimate, not a surprise cost that pops up later. A reliable contractor will be able to provide you with a solid number on your estimate.

  • Be wary if the estimate looks too good to be true - Because if it does, it probably is. Be sure your cost estimate isn’t missing any roofing materials or expenses. A low cost is not always the best choice.

Benefits of a GAF roof, installed by a GAF certified contractor

Roof replacement costs depend on many factors. Remember, the estimate with the best price may not get you the best roof.

factory-certified roofer on top of a roof

Certified Contractors
Contractors are certified by GAF, and insured and licensed in states that require it*.

closeup of a roof with GAF shingles

Quality roof materials
GAF is North America's largest roofing manufacturer, known for producing quality, innovative roofing products.

homeowners reviewing residential warranties

Strong warranties
Only contractors certified by GAF can offer our strongest warranties on your new roofing system.

*Contractors enrolled in GAF certification programs are not employees or agents of GAF, and GAF does not control or otherwise supervise these independent businesses. Contractors may receive benefits, such as loyalty rewards points and discounts on marketing tools from GAF for participating in the program and offering GAF enhanced warranties, which require the use of a minimum amount of GAF products. Your dealings with a Contractor, and any services they provide to you, are subject to the Contractor Terms of Use.

Not sure how to pay for a new roof? Learn about your options

Has the need for a roof repair or replacement caught you off guard? If so, it’s helpful to explore your payment options

homeowner filling out an insurance policy


If your roof issue was caused by an unexpected event, such as a storm or a tree falling on your house, your homeowner’s insurance can be a great resource. If the issue is age or wear and tear, you will probably need to explore other payment options.
Human hand with calculator and paper reviewing credit card information.

Credit cards

Using a credit card may be a good solution to short-term cash flow gaps, especially if you have access to low interest rates or rewards. Not all contractors accept credit cards — ask if yours does.
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