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George J. Keller & Sons Established in 1980 George J. Keller & Sons, LLC is Northern New Jersey's Premier Home Improvements Contractor, specializing in Roofs, Siding, Windows and Solar. We've been installing roofs and instilling trust since 1980! New windows and doors add value and curb appeal to your home. Without the hard sell we can provide windows from all the top names including Andersen, Marvin and Pella.

Acted professionally, answered all my questions, arrived and departed on time and did exactly what they said they would do.
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George J. Keller & Sons, LLC is a second generation family-owned home improvement company specializing in Roofing, Siding, Windows and Solar. We started as a "Mom & Pop" roofing company in 1980 working out of our Dad's house in Flanders, with one truck and one roofing crew. We're now one of the area's most well respected small businesses with ten crews being directed out of our facility on Laurel Drive in Flanders.
Just want to note that the crew you sent yesterday to do our roof did an excellent job. From the beginning when they went out of their way to protect the shrubbery with netting all the way through their smooth, well choreographed process of removing the old tiles, identifying and repairing deteriorated plywood sections and installing the new roof culminating in a complete clean-up to the extent that if we hadn't been there we would have had no indication that anybody had been there other than the appearance of a new roof.
If you have been searching online for roofing and have found yourself here chances are you need a new roof! We value YOU, our customer above all else. Once you get to know us you'll realize that we're in this for the long haul - we're not going anywhere and we value our relationship with you more than anything else.
1. Keep gutters clear. Make sure your gutters, downspouts, and drains are clear of leaves and other debris before storm season begins. Blocked gutters can cause water to back up and freeze, potentially damaging the roof. Have professionals clear your gutters after most of the leaves have fallen from the trees, or consider installing gutter screens that will prevent blockage.
Reviews (10)
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George Ottavinia
Jun 10, 2022
We have been using George J Keller & Sons for many years. They've installed a new roof, multiple exterior doors and windows. The product quality is excellent and the installation great too. The workers are prompt, personable and capable. Services: Roof installation, Window installation
Christina Popova Angelov
Jun 02, 2022
George K. Keller and sons changed our roof twice (once in our previous house and once in our current house). We could not be happier with their services - they are very professional and efficient and kept us well informed. Can only recommend them. Services: Roof installation, Skylight installation
Jon Farley
Apr 24, 2022
Keller and sons recently installed new gutters and reroofed our back roof which had started leaking. I was very impressed throughout the entire process Amanda was very detailed and thorough with the estimate, the installers did great work and left zero mess. Would absolutely use them again and recommend there services to anyone needing gutter, roofing, or siding work done.
Bud Cannaveno
Mar 18, 2022
The folks at Keller were a pleasure to deal with. Their quote was very close to two others I solicited, but was by far the most complete in explaining what it included. Their work was great. With the new roof and gutters, the house looks like new. For the most part, they were timely and cleaned up well and the people in their office were very responsive to any questions or concerns. Highly recommended.
Rachel Connolly Kwock
Jan 22, 2022
We rcvd estimates from 3 diff companies & went with George J. Keller as they seem to really know what they were doing & addressed details that other companies overlooked. The workmen were very professional & courteous. They worked quickly & efficiently & did proper clean-up. Communication with company was clear. We are very satisfied with our new roof & are very relieved it's not leaking during rainstorms anymore! Thank you!
Tony Lind
Jan 19, 2022
Best company ever. They installed Hardy board siding in my whole house and window trim. In time within budget exactly and fast. Can't say enough good things about George Keller and sons. Highly recommend.
Bob Scheffler
Dec 13, 2021
Another great job! Second time we have used George J. Keller & Sons for a roof installation. The crew was very friendly and professional. Setup through clean up was done with care and efficiency. We recommend you give them a call! Service: Roof installation
D. S.
Nov 10, 2021
Craftsmanship of an era gone by. Our home was fully transformed due to the meticulous detail and attentive nature of the onsite team. Working with George and his family was fantastic through the entire process. The Team at Keller was outstanding to work with! We had new siding, roofing and gutters put on our home. We highly recommend George Keller & Sons.
Dan Coughlin
Oct 18, 2021
Great family owned company that just did a fantastic and quick job on my roof, skylight & gutters. Everyone was so pleasant, the coordination was stellar, and the work quality & ethic of their roofers and gutters folks is beyond the pale. Services: Roof repair, Window installation, Gutter installation
Phil Weinpel
Dec 20, 2020
After putting it off for many years, we finally did it and we're so happy with how everything came out. We had George Keller & Sons install vinyl siding and replace/upgrade our 5" gutters with 6" ones. Everything came out great and we've received many complements from family, friends and neighbors on how amazing it all looks. We love the charcoal gray color siding that we chose, how our bay window looks now that its bumped out a bit with a dark metal roof, and the headers they installed above our front and garage doors. Thanks for a job well done, George J. Keller & Sons!