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
Harold CooperOutstanding service from start to finish! The crew was professional, punctual, and did excellent work. They completed the job on time, kept everything clean, and the new roof looks fantastic. I highly recommend them to anyone looking for quality workmanship and honest service.Trustindex verifies that the original source of the review is Google. Jennifer GallagherWe love our new roof. They did a wonderful job on it. Clean up was great as well.Trustindex verifies that the original source of the review is Google. Barb Callahan6/16/26. Fulton from Horizon Roofing and Exteriors came out to the house today regarding my roof. Right from the start, I was impressed with his followup. So often you have to sit around and wait for somebody to show up, but I knew exactly when he was coming and I appreciate that. I told Fulton my concerns, he went up on the roof, then came back down with pictures and advise on what needed to be done. I felt very comfortable with his suggestions. Fulton is definitely an asset to Horizon Roofing and Exteriors. I look forward to working with them further. Thank you.Trustindex verifies that the original source of the review is Google. John NaumannHorizon did a great job on my new roof at a great price. The whole process was smooth and simple. Would recommend them to anyone looking for roof work.Trustindex verifies that the original source of the review is Google. Mary Jo GilsinnVery happy that I chose Horizon. Working with Fulton Mueller was amazing. His knowledge helped me to get my home back in great shape. Can’t recommend Fulton and his crew enough for the quality work they accomplished. Thank you for doing a wonderful job!Trustindex verifies that the original source of the review is Google. Steve PuzachBrian and his crew took great care of us. Great communication, competitive pricing, good availability, and a quality install. It’s never fun buying a new roof but there’s nobody I’d rather work with for future roofing needs.Trustindex verifies that the original source of the review is Google. Michelle PuzachHorizon Roofing & Exteriors were prompt and professional. Great to work with. Would definitely reach out to them again for any roofing needs.Trustindex verifies that the original source of the review is Google. Sylvia SyfertFulton was my project manager. I can’t say enough great things him. From start to finish, he was easy to work with, a great communicator, and followed up on a timely manner. The guys did a great job on the roof. They made sure I didn’t get any nails in my pool. . But most importantly, my roof looks great! Would definitely recommend to anyone needing a roof replaced.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.
Harold CooperOutstanding service from start to finish! The crew was professional, punctual, and did excellent work. They completed the job on time, kept everything clean, and the new roof looks fantastic. I highly recommend them to anyone looking for quality workmanship and honest service.Trustindex verifies that the original source of the review is Google. Jennifer GallagherWe love our new roof. They did a wonderful job on it. Clean up was great as well.Trustindex verifies that the original source of the review is Google. Barb Callahan6/16/26. Fulton from Horizon Roofing and Exteriors came out to the house today regarding my roof. Right from the start, I was impressed with his followup. So often you have to sit around and wait for somebody to show up, but I knew exactly when he was coming and I appreciate that. I told Fulton my concerns, he went up on the roof, then came back down with pictures and advise on what needed to be done. I felt very comfortable with his suggestions. Fulton is definitely an asset to Horizon Roofing and Exteriors. I look forward to working with them further. Thank you.Trustindex verifies that the original source of the review is Google. John NaumannHorizon did a great job on my new roof at a great price. The whole process was smooth and simple. Would recommend them to anyone looking for roof work.Trustindex verifies that the original source of the review is Google. Mary Jo GilsinnVery happy that I chose Horizon. Working with Fulton Mueller was amazing. His knowledge helped me to get my home back in great shape. Can’t recommend Fulton and his crew enough for the quality work they accomplished. Thank you for doing a wonderful job!Trustindex verifies that the original source of the review is Google. Steve PuzachBrian and his crew took great care of us. Great communication, competitive pricing, good availability, and a quality install. It’s never fun buying a new roof but there’s nobody I’d rather work with for future roofing needs.Trustindex verifies that the original source of the review is Google. Michelle PuzachHorizon Roofing & Exteriors were prompt and professional. Great to work with. Would definitely reach out to them again for any roofing needs.Trustindex verifies that the original source of the review is Google. Sylvia SyfertFulton was my project manager. I can’t say enough great things him. From start to finish, he was easy to work with, a great communicator, and followed up on a timely manner. The guys did a great job on the roof. They made sure I didn’t get any nails in my pool. . But most importantly, my roof looks great! Would definitely recommend to anyone needing a roof replaced.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.
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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Call Us To Get a Quick Estimate
636.734.7532
Our Latest News And
Blog Post
Can a Roof Leak Cause Mold? What St. Louis Homeowners Need to Know
- by Brian Donohue
- Comment: 0
Most homeowners understand that roof leaks can damage ceilings, insulation, and drywall. What many don’t…
Why Are Black Streaks Appearing on My Roof? Causes, Risks, and Solutions
- by Brian Donohue
- Comment: 0
If you’ve noticed dark streaks running down your roof, you’re not alone. Many homeowners throughout…
Why Do Roof Leaks Appear Weeks After a Storm?
- by Brian Donohue
- Comment: 0
Most homeowners expect roof leaks to show up immediately after a severe storm. If heavy…
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