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Grennan Construction

Roofing Contractor Orion


Grennan Construction is a family-owned business that serves Oakland County and the surrounding area. It has a reputation for honesty, integrity, and hard work. Grennan Construction was founded in 1998 by Fred Grennan and Phil Grennan. Many people consider Grennan Construction to be the best in customer service. We will spend the time to get to understand you and your needs in a home-improvement project. This will allow us to provide the best solution for you. We’ve proven to be the lead Oakland County roofing and siding contractor, serving with integrity while offering a range of services that meet the needs of our customers.

Timezone: EDT
Monday08:00 AM - 05:00 PM
Tuesday08:00 AM - 05:00 PM
Wednesday08:00 AM - 05:00 PM
Thursday08:00 AM - 05:00 PM
Friday08:00 AM - 05:00 PM

Business Name:

Grennan Construction


Dora Ln
Lake Orion Michigan 48359
United States


(248) 243-4194

Facebook Link
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About Lake Orion

Lake Orion ( ORR-ee-ən) is a village in the northern outskirts of Metro Detroit in Oakland County, Michigan, United States. The population was 2,973 at the 2010 census. "Lake Orion" can refer to either the village or the much larger Orion Township, of which the village is a part. Lake Orion began as a resort town and over time has incorporated elements of a bedroom community. == History == Judah Church and Moses (or Samuel) Munson were among the first settlers.


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