Overview
About Us
O'Hara's Son Roofing Company (OSR) is a full service contractor working in the commercial and industrial market. In 2020, we ranked among the Top 100 Roofing Contractors in the country. We specialize in the installation of numerous styles of roof applications and coatings. Additionally, we provide extensive roof repairs, OSHA compliant safety items, renewable energy solutions, and wall panel systems.
Customer Reviews

"Living in Chicago it's always hard to find a good company and people you can trust. I have been using O'hara's for years now and they are great to work with. Lucus Nelander was able to provide us with the right longer solution for our building's roof where other roofing companies just didn't have a clue."
"O'Hara's Son Roofing completed a tear off / new roof for our 3-flat Logan Square building last month. They were easy to work with, and responded to our every question with detail. The sales person Lucas even is available for immediate texting which is great. The workers took less than a week for a big job and were all nice and courteous. Competitive pricing as well, so I would recommend O'Hara's Son Roofing and would use them again."
- "Living in Chicago it's always hard to find a good company and people you can trust. I have been using O'hara's for years now and they are great to work with. Lucus Nelander was able to provide us with the right longer solution for our building's roof where other roofing companies just didn't have a clue."
- "O'Hara's Son Roofing completed a tear off / new roof for our 3-flat Logan Square building last month. They were easy to work with, and responded to our every question with detail. The sales person Lucas even is available for immediate texting which is great. The workers took less than a week for a big job and were all nice and courteous. Competitive pricing as well, so I would recommend O'Hara's Son Roofing and would use them again."
- "The process of getting my roof replaced by O"Hara's Son Roofing Company was first class from beginning to end. The representative, Lucas, who first explored the job and then provided the estimate and oversaw the work was proactive in messaging with our condo building and was quick to respond to any questions as well. The workers were professional and seemed to be very detail oriented in getting our roof sealed up. The warrantee of 20 years on materials and 2 years on labor seemed reasonable. I feel good knowing that if there is a problem that O"Hara Son will be professional and responsive as they have been all along. I highly recommend O'Hara and Son."
- "Friendly and quick to respond."
Awards
Asphaltic Roofer
This contractor specializes in installing Asphaltic roofing systems.
Certified Maintenance Professional
This contractor will provide an extensive annual inspection to review the condition of your roof. CMPs have the exclusive ability to offer the WellRoof® Guarantee Extension to a building owner, which extends the Diamond Pledge™ NDL Roof Guarantee by 25% at no extra cost.
Installation Excellence Award
This award is for contractors that consistently install with a very high level of quality and provide their customers the highest protection that GAF offers.
Single-Ply Roofer
This contractor specializes in installing Single-Ply roofing systems.
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