Roofing Contractors in Gainesville, VA

Roof Repair & Replacement You can Trust

American Group Construction repairs and replaces roofs throughout Gainesville. If you are comparing a few roofing companies right now, this page is written to help you do that properly rather than just to pitch you.

Why homeowners choose us:

• Itemized written estimates, not one line and a number
• Photos with every inspection so you see what we found
• GAF Certified Plus installer
• Full tear off, never a layover
• We handle HOA architectural submissions
• Workmanship warranty plus manufacturer coverage, both in writing

American Group Construction

How to Compare Roofing Companies in Gainesville

Most people searching for a roofer in Gainesville are not looking for one company. They are comparing several, and they are doing it without much basis for comparison, because roofing estimates are hard to read side by side.

Three quotes for a roof replacement can differ by thousands of dollars and still describe completely different work. One includes a full tear off and the others do not. One includes new flashing and the others reuse the old. One is a manufacturer certified installer and the others are not.

So here is what we would check, including on our own estimate.

GAF Certified Plus Installer

Factory certified, which is what makes the enhanced warranty available.

Photos With Every Inspection

You see what we found rather than taking our word for it.

Itemized Written Estimates

Scope, materials, flashing, and what happens if we find rot. Not one line and a number.

Two Warranties, Both in Writing

Workmanship on our installation, manufacturer coverage on the product.

SEE OUR WORK IN GAINESVILLE

I am pleased to provide an enthusiastic reference for American Group Construction for the outstanding roofing job they completed on our home. From start to finish, their team demonstrated exceptional professionalism, skill, and attention to detail.

Full roof replacement for an aging roof, including replacement of water-damaged plywood. Installed a new GAF roofing system for long-lasting protection. Homeowner very pleased with the result.

10,000+ PROJECTS COMPLETED

PROUDLY SERVING HOMES JUST LIKE YOURS

We have worked on homes across Gainesville, Haymarket, Bristow, Nokesville and the surrounding Prince William County communities.

Certifications & Warranties

EVERY GAINESVILLE ROOF WE INSTALL IS BACKED IN WRITING

Two separate warranties, and you should have both.

Manufacturer coverage protects against product defects. It does not cover installation. Our workmanship warranty covers the install. Those are two different documents and a complete quote includes both.

Roof Replacement Services in Gainesville, VA

If your roof is showing its age, has storm damage, or keeps leaking, American Group Construction replaces roofs for homeowners in Gainesville, Haymarket, and surrounding Prince William County communities. Our local team inspects your roof, walks you through material options, and completes your new roof efficiently with minimal disruption to your household.

Roof Repair and Emergency Roof Repair in Gainesville, VA

Whether it is a few missing shingles or serious storm damage, our crews repair roofs of every size across Gainesville. For an active roof leak or emergency roof repair, call us at (571) 200-9317. We respond quickly to keep water out and protect your home.

Five Questions Worth Asking Any Roofer

Is it a tear off or a layover? Installing new shingles over the old layer is cheaper and it hides whatever caused the first roof to fail. Ask which one you are being quoted.

Is new flashing included? Flashing at chimneys, walls and valleys is where most leaks start. Reusing old flashing on a new roof is a common way to shave a quote.

Is the contractor manufacturer certified? Enhanced warranty coverage is generally only available through certified installers. We are GAF Certified Plus.

Who carries the warranty on the labor? Manufacturer coverage protects against product defects. It does not cover installation. Those are two separate documents and you want both.

Is the contractor licensed and insured in Virginia? Ask for the DPOR number and the certificate of insurance, not just a verbal yes.

Exterior Excellence You Can Count On

If you are comparing estimates, compare the scope rather than the number. Tear off or layover, new flashing or reused, what underlayment, and what happens if rot is found. The price differences almost always live there.

What a Real Estimate Should Contain

A written estimate should tell you the scope, not just the price.

It should say whether the old roof is coming off, what underlayment is going down, whether flashing is new or reused, what shingle product and color, what happens if rotten decking is found once the roof is open, and what the workmanship warranty covers and for how long.

If an estimate is one line and a number, that is not an estimate. It is a bid with the details left out, and the details are where the price differences live.

What Fails First on Gainesville Roofs

Gainesville grew quickly through the 2000s, and a lot of the housing went up in planned communities in concentrated phases.

On that housing stock the common failures are wind lifted shingles, flashing at roof to wall junctions on the two story elevations, and pipe boot cracking at the fifteen to twenty year mark. Builder grade three tab shingles from that era are also reaching the end of a twenty to twenty five year service life.

Repair or Replace

Localized damage from a specific cause is a repair. Granule loss across whole slopes, curling, or leaks in more than one location point to replacement.

A roofer who inspects your roof and immediately recommends full replacement without showing you why is worth a second opinion. We will show you photos of what we found.

HOA Communities and Approvals

Most Gainesville communities are governed by an HOA with guidelines on roof color and sometimes material. Approval is usually required before work begins.

We handle the submission. Tell us your community during the estimate.

Where We Work in Gainesville

We work throughout Gainesville and the surrounding Prince William County communities, including Haymarket, Bristow, Nokesville, Manassas and Manassas Park.

See What Our Clients Are Saying

Homeowners across Prince William County choose American Group Construction for straight answers and work that holds up. We carry a 4.9 star average across more than 125 reviews.

WARRANTY + FINANCING SECTION

Warranty and Financing for Gainesville Homeowners

Every roof replacement by American Group Construction comes with two layers of warranty protection — one covering the installation, one covering the materials.

Up to 25-Year Workmanship Warranty

American Group Construction backs every roof replacement in Gainesville with a workmanship warranty of up to 25 years. This covers defects in how the roof was installed — flashing, sealing, fastening, and all workmanship. Most contractors offer 1 to 5 years. A 25-year workmanship warranty is one of the strongest available from a residential roofing contractor in Northern Virginia.

GAF Silver Pledge™ Limited Warranty

As a GAF Certified Plus installer, American Group Construction installations qualify for the GAF Silver Pledge Limited Warranty on materials — Lifetime† coverage on manufacturing defects with a 50-year non-prorated period, WindProven™ wind protection with no maximum wind speed restriction, and 25 to 30 years of algae protection depending on the shingle selected.

Full warranty details: /gaf-roofing-products/

Financing Available

A new roof is a significant investment. American Group Construction offers flexible financing options for qualified homeowners in Gainesville, including financing through Synchrony Financial. Contact us to discuss options and eligibility for your project.

Financing details: /financing/

Gainesville Roofing FAQs

How do I compare roofing quotes properly?

Compare scope, not price. Ask whether it is a tear off or a layover, whether flashing is new or reused, what underlayment is specified, whether the contractor is manufacturer certified, and what happens if rotten decking is found. Two quotes thousands apart often describe completely different work.

What should a written estimate include?

Whether the old roof is coming off, what underlayment is going down, whether flashing is new, the shingle product and color, the per sheet price if decking needs replacing, and what the workmanship warranty covers and for how long.

What is the difference between a tear off and a layover?

A layover installs new shingles over the existing layer. It is cheaper, it adds weight the framing was not designed for, and it hides whatever caused the first roof to fail. We tear off to the decking on every replacement.

Are you licensed and insured?

Yes. Ask any contractor for the Virginia DPOR license number and a certificate of insurance rather than accepting a verbal confirmation. We will provide both.

What roof problems do you see most often in Gainesville?

Wind lifted shingles, flashing failures at roof to wall junctions on two story elevations, and pipe boot cracking at the fifteen to twenty year mark. Builder grade shingles from the 2000s construction wave are also reaching the end of their service life.

Do you handle HOA approval?

Yes. Most Gainesville communities require architectural approval before work starts and many specify shingle color. We handle the submission.

How long does a roof replacement take?

Most single family homes take one to two days. A quote that promises half a day on a full tear off is worth questioning.

Do you also handle gutters and siding?

Yes, roofing, siding, gutters and windows. Replacing gutters at the same time as the roof avoids paying twice for the same setup and access.

Why are my three quotes so far apart?

Usually because they describe different work. Tear off versus layover, new flashing versus reused, different shingle grades, and different warranty terms. Compare the scope line by line before comparing the totals.

Do you offer financing?

Yes. We walk through the options during the estimate so you know the monthly payment before committing.

How much does a new roof cost in Gainesville?

It depends on size, pitch, material and the condition of the decking underneath. We give a written itemized estimate after a free inspection. Be cautious of anyone quoting a roof over the phone.

An Unmatched Reputation

See What Our Clients Are Saying

    
 
 
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   Richard Trombly 
 
 
 
 Trustindex verifies that the original source of the review is Google. American Group's installation crew did a great job installing my gutter helmet.  I'm sold on this roofing company.
  
 
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   Amy Drake 
 
 
 
 Trustindex verifies that the original source of the review is Google. Isai with American Group Construction is just wonderful. I first found Isai about 9 years ago when had a leaky skylight when we first moved in to our home (we bought >100 year old house). I went through about 20 contractors before I found Isai. He was the only one to actually get on the roof to check and found it was the roof, not the skylight, causing problems. His crew replaced the lower roof with new skylights in just a day. He also has a great guarantee on his services.

When we thought we had a leak in the roof when it started pouring like a waterfall from the dining room, he came right out the next day to check it out. Turns out, the HVAC left a hole in the side of our house when HVAC guy installed a new unit upstairs (that is a whole other story). But Isai also determined that the upstairs roof had some issues that needed to replaced. Once again, his crew replaced the upper roof in a day and did a great job. He also replaced our garage roof at a later date.

We then had a leak through one of the skylights that we replaced. Isai came out the next day. He determined that the skylight was fine but found that an upstairs window was leaking in water (whoever originally fixed up this house just literally put bandaids over everything and now everything was coming off). We saved up the money to fix our whole outside of our house. We needed a general contractor to do the outside porch/deck, mudroom repair, and stone foundation. Isai did all the siding, windows, and doors. Isai has made our house look beautiful - a red farmhouse type.

Isai is great to work with, especially as a woman. I have had so many contractors treat me poorly or ignore me because of being a woman. But he treats everyone with respect. He is very detailed, reasonable, and gives many options. He was willing to work with us when we had hiccups and delays with the first general contractor (too bad Isai is not also a general contractor). He will fine tune until you get your vision. I now have my dream home. Trust Isai, Harry, and American Group Construction and you will not be disappointed.
  
 
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   Ann Timbers 
 
 
 
 Trustindex verifies that the original source of the review is Google. I have dealt with several roofers over the years and this company has, by far, been the best. Everyone is courteous, and knowledgeable. They show up promptly and document their work. I can't say enough good things about this company. I would highly recommend them for your roofing and gutter needs.
  
 
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   Toryalai Alami 
 
 
 
 Trustindex verifies that the original source of the review is Google. American Group Construction recently completed my house roof replacement, nice people and very professional. I am very happy with their work and quality.
  
 
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   ST D 
 
 
 
 Trustindex verifies that the original source of the review is Google. I can’t recommend Isai from American Group highly enough—outstanding service, clear and detailed explanations, and very fair pricing. He’s incredibly honest and immediately pointed out that others had misdiagnosed the issue—I didn’t need to replace the entire gable after all. He saved me time, money, and a lot of unnecessary stress!
  
 
      Posted on Google  
   
   Mike Tarlton 
 
 
 
 Trustindex verifies that the original source of the review is Google. American Group Construction, Inc. did a fantastic job replacing my roof!  Isai Fonseca, the owner, was very knowledgeable, professional, and easy to work with from start to finish.  The actual work was done quickly and professionally at a very fair and reasonable price.  I would definitely recommend him and I will use again when I need roofing.
  
 
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   Carlos Marquina 
 
 
 
 Trustindex verifies that the original source of the review is Google. We highly recommend American Group Construction.  I found them through Angie’s list, because we needed to replace our roof. I called them on a late Saturday for a quote and they came the next day, on Sunday.  They were the only company who agreed to work on my schedule.  At the beginning, I had in my mind to do repairs only and replacing the roof in a couple of years, because my 3 previous quotes to replace the roof were too expensive for my budget.  When Isai came he took several pictures of my roof, and his quote for replacing the entire roof was very, very, very affordable.  Then, he explained to me the process and we discussed about any hidden damage that he could discover when replacing the roof, so everything was crystal clear. He found 5 damaged plywood, sent me the pictures and proceeded to replace them. After finishing the job, they gave me the certificate of completion for my insurance company, that lowered my annual insurance premium from $2800 to $928.  We are very happy with American Group Construction, a family owned company, they were very professional, reliable, and with the lifetime warranty on my roof, we couldn’t ask for more.  Call them, they will go above and beyond and you’ll end up with an extraordinary result. Thank you!
  
 
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   Rich Dudley 
 
 
 
 Trustindex verifies that the original source of the review is Google. I'm very happy with the work American Group Construction did replacing an outside door, painting other outside doors, solving an issue with my gutters, and caulking my skylights.  Isai Fonseca, President of the company, was personally involved in all aspects of the work and quickly replied to texts as we tried to find a solution for a gutter issue.  American Group Construction replaced my roof several years ago, which was a positive experience and led me to request the recent work.  I've been very happy with the quality of work and the attentiveness of Isai.

Certifications & Awards

A Trusted Home Improvement Contractor

American Group Construction Inc. has earned numerous customer service awards and respected industry certifications.