About us
Business highlights
27 years of trusted experience
Family Owned & Operated
Services we offer
Services we don't offer
Amenities
Free Estimates
YesWarranties
YesSenior Discount
5%
Accepted payment methods
Photos of past projects
Reviews
4.7326 Reviews
Filter reviews by category
Showing 326-326 of 326 reviewsJulie G.
03/2013
decks, gutter repair, roofing, siding
+ 2 moreI would give them an A+
Description of Work: They installed a new roof, gutters, siding, and a deck.
| Rating Category | Rating out of 5 |
|---|---|
| quality | |
| value | |
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Yes, I recommend this pro
Response from Grennan Construction
Contact information
917 Orchard Lake Dr, Pontiac, MI 48341
http://www.grennanconstruction.comService hours
Sunday:
ClosedMonday:
8:00 AM - 5:00 PMTuesday:
8:00 AM - 5:00 PMWednesday:
8:00 AM - 5:00 PMThursday:
8:00 AM - 5:00 PMFriday:
8:00 AM - 5:00 PMSaturday:
ClosedLicensing
Insured
Licensed*
Trade License Number
2102154879
Trade License Locale
Michigan
Trade License Authority
Michigan: Contractors
Trade License Expiration
05/31/2026
Eco-friendly Accreditations
LEED Accredited Professional
No
Energy Star Partner
No
EPA Lead-Safe Certified
Yes
Use Green Products or Work Practices
No
State Contractor License Requirements
All statements concerning insurance, licenses, and bonds are informational only, and are self-reported. Since insurance, licenses and bonds can expire and can be cancelled, homeowners should always check such information for themselves. To find more licensing information for your state, visit our State Contractor License Requirements page.
*Contact business to see additional licenses.
Service Categories
Roofing,
Siding,
Deck Maintenance
FAQ
Grennan Construction is currently rated 4.7 overall out of 5.
Sunday: Closed
Monday: 8:00 AM - 5:00 PM
Tuesday: 8:00 AM - 5:00 PM
Wednesday: 8:00 AM - 5:00 PM
Thursday: 8:00 AM - 5:00 PM
Friday: 8:00 AM - 5:00 PM
Saturday: Closed
Grennan Construction accepts the following forms of payment: Check,MasterCard,Visa
Yes, Grennan Construction offers free project estimates.
Yes, Grennan Construction offers eco-friendly accreditations.
Yes, Grennan Construction offers a 5% senior discount.
No, Grennan Construction does not offer emergency services.
Yes, Grennan Construction offers warranties.
Grennan Construction offers the following services: Roofing, gutters, siding, James Hardie Fiber cement siding, vinyl siding, windows.
We are not offering repair or handyman services at this time. Thank you.
Contact information
917 Orchard Lake Dr, Pontiac, MI 48341
http://www.grennanconstruction.comService hours
Sunday:
ClosedMonday:
8:00 AM - 5:00 PMTuesday:
8:00 AM - 5:00 PMWednesday:
8:00 AM - 5:00 PMThursday:
8:00 AM - 5:00 PMFriday:
8:00 AM - 5:00 PMSaturday:
Closed