Roofing Contractor in St. Charles County, MO
Serving St. Peters, O’Fallon, Wentzville & Surrounding Areas with Expert Roof Repair & Replacement Services
We’re Committed To Providing
Quality Roofing Services
For generations, Horizon Roofing & Exterior has been a trusted name in the St. Peters area as a leading roofing, guttering, and siding contractor. Our expert roofers in St. Peters ensure the best quality for all home exterior work, including roofing, siding, and gutter repair services, at affordable rates.
- Quality Control System
- 100% Satisfaction Guarantee
- 100 + Successful Projects done
- Accurate Testing Processes
Years of Experience
We’re Providing Quality
Roofing Services
As a roofing company in Saint Peters, Missouri, Horizon Roofing & Exteriors prioritizes quality roofing service in St. Peters with excellent customer service. We do roof repairs, replacements, storm damage roof repair and installations, using premium materials and providing unbeatable warranties. We’ve got top-notch roofers in St. Peters. With Horizon, you’re in good hands with roof repairs, gutter replacements, and gutter cleaning. We’re the #1 choice for roofing contractors in Saint Peter’s.
Siding and Gutters
If you are getting a new roof due to hail damage, good chances your gutters were also affected by the…
Roof Inspection
One of our trained project managers will come to your home to perform a free roof inspection. We take photos…
Residential
We always focus on providing you with the most cost-effective solution and will not
Roof Repairs
Horizon Roofing will complete your roof repair with the most quality materials in the…

Siding and Gutters
If you are getting a new roof due to hail damage, good chances your gutters were also affected by the…

Roof Inspection
One of our trained project managers will come to your home to perform a free roof inspection. We take photos…

Residential
We always focus on providing you with the most cost-effective solution and will not

Roof Repairs
Horizon Roofing will complete your roof repair with the most quality materials in the…
Need Modern Roofing Services?
Our experienced staff will assist you with every step along the way,
making the claims process stress-free and effortless.
Visualize Your New Roof with Our Interactive Shingle Tool
Projects Done
Happy Clients
Working Projects
Team Members
Projects Done
Happy Clients
Working Projects
Team Members
Explore Latest
Works
We provide our customers with the highest quality craftsmanship available and assist with the entire insurance claims process.
We Always Work as an
Energetic Team
Steven RobisonNo sales pitch. No bs, met with them on a Monday and the Roof was installed 10 days later. Look real good and cleaned up well.Trustindex verifies that the original source of the review is Google. GnT CasaExcellent New Roof Installation – Highly Recommend! We just had our roof completely replaced by Horizon Roofing & Exteriors and are very happy with the results. The crew was professional, on time, and worked efficiently while taking good care of our property. Brian explained everything clearly, answered all our questions, and even helped us choose the perfect shingles and color that match our home’s style. The new roof looks fantastic — clean lines, beautiful color, and a huge upgrade in curb appeal. If you’re looking for a reliable, honest, and high-quality roofing company, I highly recommend Horizon Roofing & Exteriors. They did an outstanding job. Would definitely use them again and will be referring friends and family!Trustindex verifies that the original source of the review is Google. Alan JohnsonFulton Mueller and his team were professionally recommended and installed a new roof on my home that looks great. Thank-you, Horizon Roofing of STL MO. AJTrustindex verifies that the original source of the review is Google. Duc NguyenFirst time homeowner navigating a roof replacement. Fulton was extremely kind and professional, making sure my family was taken care of. He was more than willing to answer our questions/concerns and kept us updated on scheduling around the chaotic spring weather. There was a minor miscommunication with the supplier on the scheduled delivery of materials, but Fulton was quick to pivot and actually got the installation done earlier than originally planned. Replacement went smoothly and the crew was very efficient.Trustindex verifies that the original source of the review is Google. mary baumgartnerThe people were very professional and hard working. The work was done in the time they had promised. They cleaned up daily. It was a very good experience.Trustindex verifies that the original source of the review is Google. Brandon D.Horizon did a great job on our roof. Brian, Kyle, and Sam were all super helpful and worked seamlessly with State Farm to get our roof repaired. Due to the storms last summer, there was a ton of roofs being repaired in the area and ours got slotted right into a busy schedule and turned out great.Trustindex verifies that the original source of the review is Google. Nathan ThompsonThey replaced the soffits and fascia on our house, and everything came out fantastic and was done quickly. We hit a couple speed bumps (caused from our side) in terms of scheduling the project, and they were beyond kind and understanding in moving the project date back as we needed. Will definitely use them again if it comes time to do the roof!Trustindex verifies that the original source of the review is Google. Joe CExcellent experience with Horizon fixing my roof after the May tornado. The building is three stories, over 120 years old and the job wasn’t easy. Fulton stayed in contact with me throughout the whole project with updates and solutions to issues encountered along the way. What I thought would be a nightmare to deal with was made very easy by Fulton and his team. I will be using Horizon for all my future needs.Trustindex verifies that the original source of the review is Google. Ken BarrowsIn March of this year our home and unattached garage suffered hail and wind damage to roofs, siding and windows. 4 contractors evaluated our property and we chose Horizon to work with the insurance Co and eventually do the repairs. Horizon worked side by side with the insurance adjuster to evaluate and categorize damage. When the insurance report came back Horizon acted on our behalf to point out missed damage and inaccuracies in the report eventually getting us a second inspection resulting in a much fairer settlement. At that point Horizon replaced 2 roofs, 3 skylights, siding and gutters. The work crews were hard working, professional, courteous men who did a great job including clean up. We had one unexpected problem in our garage with a power outtage caused by the siding installers. Horizon acted quickly to repair the problem using Union certified electricians at no cost to us. In summary, we chose EXACTLY the right contractor to take us through a stressful process. They represented our interests the entire way being mindful to get a FAIR settlement. When it came to the actual repairs their crews did a great job and when there were problems, Horizon took ownership and got the problem fixed quickly. We were very fortunate to have Kyle as our lead on the project, coordinating the work, communicating at every step, dispensing advice, reviewing the work as it was completed. It's obvious to us that Horizon is a truly professional, reputable, dependable company. They know what they're doing and if we need siding, roofing or window work we'll look to them before looking anywhere else. We'll done Horizon!Trustindex verifies that the original source of the review is Google.
Steven RobisonNo sales pitch. No bs, met with them on a Monday and the Roof was installed 10 days later. Look real good and cleaned up well.Trustindex verifies that the original source of the review is Google. GnT CasaExcellent New Roof Installation – Highly Recommend! We just had our roof completely replaced by Horizon Roofing & Exteriors and are very happy with the results. The crew was professional, on time, and worked efficiently while taking good care of our property. Brian explained everything clearly, answered all our questions, and even helped us choose the perfect shingles and color that match our home’s style. The new roof looks fantastic — clean lines, beautiful color, and a huge upgrade in curb appeal. If you’re looking for a reliable, honest, and high-quality roofing company, I highly recommend Horizon Roofing & Exteriors. They did an outstanding job. Would definitely use them again and will be referring friends and family!Trustindex verifies that the original source of the review is Google. Alan JohnsonFulton Mueller and his team were professionally recommended and installed a new roof on my home that looks great. Thank-you, Horizon Roofing of STL MO. AJTrustindex verifies that the original source of the review is Google. Duc NguyenFirst time homeowner navigating a roof replacement. Fulton was extremely kind and professional, making sure my family was taken care of. He was more than willing to answer our questions/concerns and kept us updated on scheduling around the chaotic spring weather. There was a minor miscommunication with the supplier on the scheduled delivery of materials, but Fulton was quick to pivot and actually got the installation done earlier than originally planned. Replacement went smoothly and the crew was very efficient.Trustindex verifies that the original source of the review is Google. mary baumgartnerThe people were very professional and hard working. The work was done in the time they had promised. They cleaned up daily. It was a very good experience.Trustindex verifies that the original source of the review is Google. Brandon D.Horizon did a great job on our roof. Brian, Kyle, and Sam were all super helpful and worked seamlessly with State Farm to get our roof repaired. Due to the storms last summer, there was a ton of roofs being repaired in the area and ours got slotted right into a busy schedule and turned out great.Trustindex verifies that the original source of the review is Google. Nathan ThompsonThey replaced the soffits and fascia on our house, and everything came out fantastic and was done quickly. We hit a couple speed bumps (caused from our side) in terms of scheduling the project, and they were beyond kind and understanding in moving the project date back as we needed. Will definitely use them again if it comes time to do the roof!Trustindex verifies that the original source of the review is Google. Joe CExcellent experience with Horizon fixing my roof after the May tornado. The building is three stories, over 120 years old and the job wasn’t easy. Fulton stayed in contact with me throughout the whole project with updates and solutions to issues encountered along the way. What I thought would be a nightmare to deal with was made very easy by Fulton and his team. I will be using Horizon for all my future needs.Trustindex verifies that the original source of the review is Google. Ken BarrowsIn March of this year our home and unattached garage suffered hail and wind damage to roofs, siding and windows. 4 contractors evaluated our property and we chose Horizon to work with the insurance Co and eventually do the repairs. Horizon worked side by side with the insurance adjuster to evaluate and categorize damage. When the insurance report came back Horizon acted on our behalf to point out missed damage and inaccuracies in the report eventually getting us a second inspection resulting in a much fairer settlement. At that point Horizon replaced 2 roofs, 3 skylights, siding and gutters. The work crews were hard working, professional, courteous men who did a great job including clean up. We had one unexpected problem in our garage with a power outtage caused by the siding installers. Horizon acted quickly to repair the problem using Union certified electricians at no cost to us. In summary, we chose EXACTLY the right contractor to take us through a stressful process. They represented our interests the entire way being mindful to get a FAIR settlement. When it came to the actual repairs their crews did a great job and when there were problems, Horizon took ownership and got the problem fixed quickly. We were very fortunate to have Kyle as our lead on the project, coordinating the work, communicating at every step, dispensing advice, reviewing the work as it was completed. It's obvious to us that Horizon is a truly professional, reputable, dependable company. They know what they're doing and if we need siding, roofing or window work we'll look to them before looking anywhere else. We'll done Horizon!Trustindex verifies that the original source of the review is Google.
What our customers
say about us
Brian and Kyle were very professional, prompt, and easy to work with. They communicated with me every step of the way, my roof looks great, and the property was cleaned up well. I couldn't recommend their services more, and will be sending my friends and family their way.
Michael Templeton
Brian helped guide me through a roof replacement due to hail damage. He was quick, responsive, and patient with attention to detail throughout the process. Would recommend!
Spencer Mainous
I had my roof and gutters replaced due to hail damage. I can’t recommend Brian and Horizon roofing enough! Brian was extremely professional, provided excellent communication, and made the entire process smooth and easy. Brian was truly a pleasure to work with and is a consummate professional. The Horizon team did outstanding work and I was extremely pleased with the final product. Our new roof and gutters look great. All dealings with insurance were seamless and hassle free. If you need work done, I HIGHLY recommend reaching out to Brian and letting Horizon take care of your project. Five stars across the board ️
Jake Hoffmeister
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636.734.7532
Our Latest News And
Blog Post
What That Hail Storm in Troy, MO Might Have Done to Your Roof
- by Brian Donohue
- Comment: 0
It Hit Fast — and Most People Didn’t Have Time to React If you were…
Can Wind Lift Asphalt Shingles in St. Louis Without Breaking Them?
- by Brian Donohue
- Comment: 0
Hidden Damage Most Homeowners Miss If your home just went through a strong windstorm in…
7 Costly Roof Problems Wentzville Homeowners Face
- by Brian Donohue
- Comment: 0
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