Reliable Roofing That Lasts

Expert Roof Replacement Services in Greater New Jersey You Can Trust

Protect your home with a professionally installed roof replacement from GenSun Roofing, New Jersey’s trusted local roofing contractor. We pride ourselves on delivering top-quality workmanship and using durable materials designed to withstand NJ’s unique weather conditions. Our experienced team ensures every project is completed efficiently and to the highest standards. When it comes to protecting your home, you can count on GenSun Roofing for reliability and peace of mind.

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What Our Customers Are Saying

We’re proud to have 100% satisfaction and 100% project completion rates. Our returning clients trust us for consistent service, expert installation, and ongoing support.

      
   Gensun Roofing and Solar
   10 Google reviews 
  Write a review 
  
 
 
   
 
 
       Posted on Google  
   
   Kenneth 
 
 
 
 Trustindex verifies that the original source of the review is Google. The solar installer were very professional and were very professional with the install. I love to see contractors take pride in their installs which looked like a work of art. I would buy a home just to have them do the solar install. A +  ,Rating and I don't  give out compliments so easy. Thank you
  
 
      Posted on Google  
   
   Chava Samet 
 
 
 
 Trustindex verifies that the original source of the review is Google. Gensun is a phenomenal company.
They did the job in 2 days .. they “ rolled “ a brand new roof into the deal and now my electric bill is no higher then $179  ALL YEAR ROUND” ( our electric bill used to be around $400 to $500 during the winter and $600 to $700 during the summer months . They took care of the headaches involved with township etc .. we didn’t lift a  finger
We give them a
“ 100 STAR RATING “
Sarah S.
  
 
      Posted on Google  
   
   Jacks 
 
 
 
 Trustindex verifies that the original source of the review is Google. Exceptional quality! Very fast and efficient! I would hire this company 10 times out of 10. What a great job they did.
  
 
      Posted on Google  
   
   Len Jones 
 
 
 
 Trustindex verifies that the original source of the review is Google. I have to say this company has turned around for me.  They came out here today.Took care of everything. I'm just waiting for a day for the fire.Inspectors to take care of the solar. The pallet has been gone.Cause the guy picked it up. So I decided to give it 5 stars, because they have redeemed themselves.
  
 
      Posted on Google  
   
   Paul 
 
 
 
 Trustindex verifies that the original source of the review is Google. This company does outstanding work, stand behind their products and services. Very nice and clean installation, staff is friendly and communicative. I would definitely recommend for anyone to use them if you are looking for roofing and solar services.
  
 
      Posted on Google  
   
   Vel 
 
 
 
 Trustindex verifies that the original source of the review is Google. Professional and friendly!
  
 
      Posted on Google  
   
   Joe Sullivan 
 
 
 
 Trustindex verifies that the original source of the review is Google. Matt C. Was great. Made sure I fully understood the options I had as well as was there during installation to make sure everything went smoothly. He always answered when I had a question. If you’re planning on going Solar (you should) this is your guy.
  
 
      Posted on Google  
   
   Sergey Balashov 
 
 
 
 Trustindex verifies that the original source of the review is Google. Diego and his team did a great job with installing Andersen patio doors. My new doors fit like a glove and slide effortlessly. I am very happy with result. Gensun Solar will be my choice for all future home improvement projects.
  
 
      Posted on Google  
   
   Joel Vasquez 
 
 
 
 Trustindex verifies that the original source of the review is Google. This company was great to work with and I am very happy with my new roof and solar system
  
 
  
  
 
     Verified by Trustindex  Trustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more

Expert Roof Replacements

A Roofing Company You Can Trust

At GenSun, we specialize in roof replacement services that protect your home and improve curb appeal. With over 30 years of experience as a leading roofing contractor, we’ve helped hundreds of homeowners upgrade aging, leaking, or storm-damaged roofs. Our roofing company uses high-quality materials, precise installation, and fast turnaround — all handled in-house, never outsourced.

High-Quality Materials

We install asphalt shingles and other durable roofing systems built to withstand the Northeast climate.

Fast, Professional Installation

Our in-house crew replaces most roofs in just a few days — clean, efficient, and hassle-free.

Licensed & Insured Roofing Contractor

GenSun is a fully licensed and insured roofing company with decades of proven results.

Need a New Roof? Let’s Talk.

Request a free roof inspection and estimate today. We’ll help you determine if you need a roof replacement or roof repair — and give you a clear, honest quote.

When Is It Time for a Roof Replacement?

If your roof is over 20 years old, has missing shingles, or shows signs of leaks or sagging — it may be time for a replacement. GenSun offers professional evaluations and honest recommendations. Whether you need a full roof replacement or a targeted roof repair, we’re the roofing company homeowners across the region trust to get it done right.

Complete Roofing Solutions — and More

Our Services

From residential roof replacements to siding, gutters, and solar-compatible roofing, GenSun delivers high-quality exterior services with speed, precision, and zero outsourcing. Every project is handled in-house by our expert team — with fast turnarounds and no surprises.

Residential Roofing

We specialize in asphalt shingle and low-slope roofing systems for homes across New Jersey and Pennsylvania. Expect fast turnarounds and clean, professional installs.

Commercial Roofing

From small retail buildings to multi-family properties, we offer commercial roofing designed for durability and efficiency.

Gutters & Drainage

Keep water away from your foundation with custom-fit gutter systems and downspouts, installed by our in-house team.

Siding Installation

Boost your home’s curb appeal and energy efficiency with high-quality siding materials and expert installation.

Solar

Need roofing work on a solar-equipped home? We specialize in roofing projects that work with and around existing solar panel systems — no removal necessary.