We are excited to announce that we have been named Detroit's Best of the Best for siding, roofing, and windows! Thank you to all of our wonderful customers and community members who took the time to vote for us. We appreciate your support. We pride ourselves on offering the highest quality of service and look forward to many more years of serving the community. As a family-owned and operated company servicing Oakland County and the surrounding areas, Grennan Construction has earned a reputation for honesty and integrity.
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A huge thank you to the AFSP for awarding us the 2021 Sponsor of the Year. The American Foundation for Suicide Prevention is an organization that we hold very close to our hearts. We are honored to have been recognized by such a wonderful foundation. We look forward to continuing to support your efforts to the best of our ability.
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An employee of our licensed and insured company will be in touch to discuss your free estimate. Join over 3.5K Oakland County residents by signing up for our informative, monthly newsletter. Since 1988 we have been serving our community by providing the best roofing and siding services in Oakland County.
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I had a masonry job on my late 1920s home and Grennan Construction did an absolutely outstanding job. I would definitely use them again in the future! Join over 3.5K Oakland County residents by signing up for our informative, monthly newsletter. Since 1988 we have been serving our community by providing the best roofing and siding services in Oakland County.
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We proudly offer a wide range of residential roofing and siding services to Oakland County and the surrounding Southeast Michigan areas. We are a full-service, licensed, and insured residential roofing and siding company serving the Southeast Michigan area for over 20 years. Let our trained residential roofing and siding technicians inspect your roof to give you the answers. As a fully licensed, bonded, and insured company, Grennan Construction is here to take care of all your residential roofing and siding requirements.
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