Grennan Construction

Roofing, Siding, Deck Maintenance

About us

Grennan Construction has earned a reputation for honesty and integrity for over 20 years. We specialize in residential roofing, siding, and exterior remodeling. Employees of our licensed and insured company will treat you like family – providing a free estimate, and delivering prompt, courteous, and honest service. We are professional, neat, and efficient. We will follow up your project with a comprehensive customer satisfaction survey to ensure that we fulfilled every commitment and that you are 100% satisfied with the end result. We hope to hear from you soon. www.GrennanConstruction.com

Business highlights

27 years of trusted experience
Family Owned & Operated

Services we offer

Roofing, gutters, siding, James Hardie Fiber cement siding, vinyl siding, windows.

Services we don't offer

We are not offering repair or handyman services at this time. Thank you.

Amenities

Free Estimates
Yes
Warranties
Yes
Senior Discount

5%



Accepted payment methods

Check
MasterCard
Visa

Photos of past projects

Reviews

4.7327 Reviews
Number of StarsImage of DistributionNumber of Ratings
5
83%
4
7%
3
2%
2
4%
1
4%


Rating CategoryRating out of 5
quality
4.7
value
4.8
professionalism
4.7
responsiveness
4.6
punctuality
4.7

Filter reviews by category

Showing 226-250 of 327 reviews

Harold P.
02/2016
5.0
roofing
  + -1 more
unknown
Description of Work: Siding.
Rating CategoryRating out of 5
Yes, I recommend this pro

Trudy N.
01/2016
5.0
gutter cleaning, gutter repair, roofing
  + 1 more
unknown
Description of Work: They were on time, did a great job and I'll have them again to clean our gutters.

Rating CategoryRating out of 5
quality
5.0
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro

Narendra D.
01/2016
4.0
gutter cleaning, gutter repair, roofing
  + 1 more
unknown
Description of Work: Cleaned gutters and inspected the roof. They promised to send a report and a quote for fixing the problems. But I never received the quote.

Rating CategoryRating out of 5
quality
5.0
value
4.0
professionalism
5.0
responsiveness
4.0
punctuality
4.0

Yes, I recommend this pro
$100

Annette H.
01/2016
5.0
gutter cleaning, gutter repair, roofing, chimney repair
  + 2 more
unknown
Description of Work: Cleaned gutters, examined roof, chimney, photographed.

Rating CategoryRating out of 5
quality
5.0
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro
$90

Cynthia S.
01/2016
5.0
gutter cleaning, gutter repair, roofing
  + 1 more
unknown
Description of Work: The gutters got cleaned.

Rating CategoryRating out of 5
quality
5.0
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro
$99

Prasad K.
01/2016
5.0
gutter cleaning
  + -1 more
.
Description of Work: .
Rating CategoryRating out of 5
Yes, I recommend this pro
$99

John S.
01/2016
5.0
gutter cleaning, gutter repair, roofing
  + 1 more
unknown
Description of Work: Cleaned my gutters.

Rating CategoryRating out of 5
quality
5.0
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro
$99

Kemal T.
01/2016
5.0
roofing
  + -1 more
unknown
Description of Work: Excellent people. Made contact, made appointment, showed-up on time, did the job as required. Serviceperson Terry was very courteous and professional. I will have them back in the spring for additional work.

Rating CategoryRating out of 5
quality
5.0
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro
$99

amy S.
01/2016
5.0
gutter cleaning, roofing
  + 0 more
.
Description of Work: Clean gutters, roof evaluation

Rating CategoryRating out of 5
quality
5.0
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro
$100

Rosella B.
01/2016
5.0
roofing
  + -1 more
unknown

Rating CategoryRating out of 5
quality
5.0
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro
$99

Parviz M.
01/2016
5.0
roofing
  + -1 more
unknown
Description of Work: He cleaned the gutters very well. Cleaned up all the debris after the job was done. Did a very thorough job. He was very polite and helpful.

Rating CategoryRating out of 5
quality
5.0
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro
$89

Walter B.
12/2015
5.0
roofing
  + -1 more
unknown

Rating CategoryRating out of 5
quality
5.0
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro

John B.
12/2015
5.0
gutter cleaning, gutter repair, roofing
  + 1 more
unknown
Description of Work: Roof inspection |Clean gutter

Rating CategoryRating out of 5
quality
4.0
value
5.0
professionalism
4.0
responsiveness
4.0
punctuality
5.0

Yes, I recommend this pro
$100

David S.
12/2015
5.0
roofing
  + -1 more
unknown

Rating CategoryRating out of 5
quality
5.0
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro
$100

Michael R.
12/2015
5.0
gutter cleaning, gutter repair, roofing
  + 1 more
unknown
Description of Work: Fall gutter clean-out

Rating CategoryRating out of 5
quality
5.0
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro
$99

Mary Jo M.
12/2015
5.0
roofing
  + -1 more
unknown

Rating CategoryRating out of 5
quality
5.0
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro

Maggie S.
12/2015
4.0
gutter cleaning, gutter repair, roofing
  + 1 more
unknown
Description of Work: They took pictures of my roof to show if I needed any service but it would have been nice to see before and after pictures of the work they did cleaning the gutters.

Rating CategoryRating out of 5
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro
$99

xingping C.
12/2015
5.0
roofing
  + -1 more
unknown

Rating CategoryRating out of 5
quality
5.0
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
4.0

Yes, I recommend this pro

Peter O.
12/2015
5.0
gutter cleaning, gutter repair, roofing
  + 1 more
unknown
Description of Work: cleaned gutters and inspected roof

Rating CategoryRating out of 5
quality
5.0
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro
$100

Gary G.
12/2015
5.0
gutter cleaning, gutter repair, roofing
  + 1 more
.
Description of Work: Did a great job cleaning all debris out of gutters and inspecting roof. |Very prompt and cleaned up all debris.

Rating CategoryRating out of 5
quality
5.0
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro
$119

Louise L.
12/2015
5.0
roofing
  + -1 more
unknown

Rating CategoryRating out of 5
quality
5.0
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro
$111

Gerald E.
12/2015
5.0
roofing
  + -1 more
unknown

Rating CategoryRating out of 5
quality
5.0
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro
$100

Gary G.
11/2015
5.0
gutter repair, roofing
  + 0 more
unknown
Description of Work: Did an outstanding job. Removed old gutter debris and several oak acorn plants growing in the gutters.

Rating CategoryRating out of 5
quality
5.0
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro
$119

Bob K.
11/2015
5.0
roofing
  + -1 more
unknown

Rating CategoryRating out of 5
quality
5.0
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro

Matthew A.
11/2015
5.0
gutter cleaning, gutter repair, roofing
  + 1 more
unknown
Description of Work: They cleaned my gutters and inspected my roof and gave a report. There were no leaves off my trees the first time they came by, so they let me have my gutters cleaned later instead, which was great.

Rating CategoryRating out of 5
quality
5.0
value
5.0
professionalism
5.0
responsiveness
5.0
punctuality
5.0

Yes, I recommend this pro
$85

Contact information

917 Orchard Lake Dr, Pontiac, MI 48341

http://www.grennanconstruction.com

Service hours

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

Licensing

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.com

Service hours

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