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  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon802
    Verified roofing services reviews

Top-Rated Roofers in Whippany - Updated Nov 2026

Avatar for 1 ALL AMERICAN ROOFING LLC
1 ALL AMERICAN ROOFING LLC
5.0(
208
)
Asphalt Shingle Roofing - Repair

Serving Whippany, NJ and surrounding areas

Approved

In business since 2001

Free estimates

Credit card accepted

We invite you to experience a tradition of customer satisfaction that will exceed your greatest expectations. Our professionalism and quality workmanship will accurately reflect your taste and lifestyle. From conception to completion, we work with you until the job is done. We are ethical, honest, and easy to communicate with. \n \nCall us today you'll be pleased you did. Thank you \n

Recommended by99%of homeowners
Avatar for George J Keller & Sons LLC
George J Keller & Sons LLC
4.4(
262
)
Asphalt Shingle Roofing - Install or ReplaceAsphalt Shingle Roofing - Install or Replace - For BusinessAsphalt Shingle Roofing - Repair+26 more

Serving Whippany, NJ and surrounding areas

Approved

In business since 1980

Free estimates

Warranties offered

"Our house was re-roofed in July 2016 by George J Keller & Sons. We had estimates from 7 roofing companies and felt most comfortable with Keller. We felt Keller was the most honest because they didn't try to low ball the work. Our roof had been leaking on and off so my husband walked the roof and knew that we had some warped and/or soft sheathing. The other companies that came out told us only 3 to 4 sheaths would require replacement but we knew there were many more. We didn't want to select a roofer who wasn't honest from the beginning, Our sales person was Mike Koty and we liked him from the beginning. He went into the crawl space to check the interior condition of the roof which was something the majority of the other roofers didn't do. He also walked the roof. We had tons of questions and he answered each one fully and completely. The work took almost 2 days because there was so much sheathing to replace and, yes, they did show (without us asking) the rotten/warped sheaths. The workers were all professional and quiet and there was no debris left after the job was completed. The roof looks great and there are no more leaks. Just an excellent job from start to finis ...in fact, my neighbor was so impressed, he just had Keller reroof his house."
Green With Envy
Modern Farmhouse
Metal Roofing
Green With Envy
Modern Farmhouse

+41

Response time12 hrs
Recommended by90%of homeowners
Avatar for Monarch Roofing LLC
Monarch Roofing LLC
5.0(
198
)
Asphalt Shingle Roofing - Repair

Serving Whippany, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2021

Free estimates

Emergency services offered

"I was most satisfied with the job quality for our replacement roof. Thanks a lot Monarch Roofing team. I will definitely call you again for any roofing and masonry needs."
Response time11 hrs
2 neighbors recently requested a quote
Recommended by97%of homeowners
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Roofing FAQs, answered by experts

Shingle damage comes in many forms, and the damage usually depends on the wind speed and the shape of the roof before the winds. Typically, when shingles are damaged by wind, they become torn, creased, or detached from the roof. Some might go missing entirely. More extensive roof damage might occur if a tree branch or other debris has fallen onto the roof as a result of the windstorm.

Always inform your insurance company when you get a new roof. A new roof may entitle you to lower rates or discounts, and if you need to make a claim, they’ll have up-to-date information on your roof. You’ll need to provide documentation—ask your insurance agent what you need to submit to prove you had your roof replaced.

Whether or not the terms of your roofing estimate are negotiable depends on the contractor. Some professional roofers will be willing to budge on labor fees to some extent, while others will simply walk away from the potential work rather than lower their fees. In most cases, it’s best not to negotiate the terms, as lower labor charges could lead to your contractor cutting corners. Material costs aren’t negotiable, but you could purchase them yourself to try to save on delivery fees and markups.

Yes, shingle brand can affect bundle sizes, with some brands weighing more than others and having slightly differing numbers of shingles.

While you technically can add a roof over shakes or shingles, it’s not a good idea. Roofing over existing roofing creates a moisture barrier underneath the new roof and since the trapped material is wood, you can expect a moisture problem. While you could get away with installing a new roof over asphalt or steel, wooden roofs should be removed, new underlayment installed, and the new roof installed over that. Also, the extra weight would add strain to your roof structure.

The Whippany, NJ homeowners’ guide to roofing services

From average costs to expert advice, get all the answers you need to get your job done.