Are you looking for a roofing company in NJ? As a family-owned roofing company in NJ for over 25 years, Alte Roofing & Siding is your trusted source for roof replacement, solar roof, commercial flat roof services for both residential and commercial properties across New Jersey. As expert roofing contractors in NJ our team specializes in asphalt shingle roof replacement, commercial flat roofing (TPO & EPDM), James Hardie siding, gutter installation and cleaning, and solar-ready roofing systems — providing high-performance solutions that protect your property, enhance curb appeal, and improve energy efficiency. Explore all our roofing, siding, and exterior services. We are GAF Master Elite, an honor held by only 2% of roofers nationwide.
Looking to finance your next project? We also offer affordable roofing and siding financing options to help make your home improvement goals a reality. Here are some tips on choosing a roof shingle color for your New Jersey home.
Financing Available
We’ve got you covered. We provide financing options on new roof installation for qualified customers with approved credit.
Premium Products
We only use the highest quality products and materials offering the industry’s best warranty.
25+ Years of experience
We have more than 25 years of experience in exterior remodeling and roofing as fully insured and licensed professionals.
GAF Master Elite Certified
As a GAF Master Elite® Certified roofing contractor—an honor held by only 2% of roofers nationwide—we’re committed to exceptional craftsmanship, extended warranties, and long-term customer satisfaction.
Why Choose Alte Roofing & Siding – Trusted Roofing and Siding Contractors NJ
For over 25 years, Alte Roofing & Siding has proudly served homeowners and businesses across New Jersey, delivering high-quality roofing, siding, gutter, window, and fence installations. We treat every property like it’s our own—using only premium materials, offering industry-leading warranties, and upholding the highest standards in craftsmanship on every project. Alte Roofing & Siding proudly holds an A+ rating with the Better Business Bureau, a reflection of our commitment to honest communication, reliable service, and customer satisfaction across Northern and Central New Jersey.
Our experienced team specializes in both residential and commercial flat roofing, including full roof replacement, roof repair, and custom exterior remodeling solutions tailored to your needs. We are a certified James Hardie siding contractor, offering professional installation of HardiePlank®, HardiePanel®, and board and batten siding systems, built for durability and curb appeal. When you’re searching for a siding contractor near me, trust our James Hardie certified team for precision installation.
While exterior design trends have evolved over the years, one thing remains true: our customers want to protect and enhance the value of their home—and we’re here to make that happen with expert service and trusted results.
4.8
Out of 208 Reviews
4.7
Out of 479 Reviews
5.0
Out of 12 Reviews
Our Partners
Services
At Alte Roofing & Siding, we proudly offer free consultations and roofing inspections to homeowners and businesses throughout New Jersey and parts of Pennsylvania. As a premier roofing and siding contractor NJ, based in Port Murray NJ. Our team is known for fast response times, honest estimates, and top-tier craftsmanship on every project.
We serve a wide area across Northern and Central New Jersey, including:
Hunterdon County, Warren County, Somerset County, Sussex County, Passaic County, Morris County, and Bergen County, as well as select areas in Eastern Pennsylvania.
Whether you need a full roof replacement, siding installation, gutter work, or emergency repairs, Alte Roofing is your trusted local expert, ready to protect and enhance your home with industry-leading service.
Roof & Solar Roof Installation
Protect your home with premium GAF roofing systems. Alte Roofing is GAF Master Elite® certified and offers GAF Shingles and GAF Solar Roof installations backed by industry-leading warranties.
Siding Installation
Our siding comes in a variety of colors to fit your individual style; it’s low-maintenance and durable. We are proud installers of James Hardie Siding and Vinyl Siding.
Gutter Installation NJ & Cleaning Services
Alte Roofing & Siding installs durable gutters built for New Jersey’s weather. We offer one-time cleanings and ongoing gutter maintenance programs to protect your home from water damage.
Windows & Fencing
We offer Vinyl / PVC, Aluminum, Chain Link and Wood fencing options. We offer window replacement in NJ.
Residential & Commercial Roofing in NJ
From small repairs to complete replacements, we offer tailored roofing solutions to meet the needs of New Jersey homeowners and businesses. When you choose Alte Roofing, you’re not just finding roofers near me — you’re hiring a GAF Master Elite certified contractor
Asphalt Shingle Roofing Installation – Durable, attractive, and designed for longevity.
Roof Repairs & Maintenance – Extending the life of your roof with expert care.
Commercial Flat Roofing NJ – TPO & EPDM Specialists
Our commercial roofing team delivers reliable flat roofing installations that withstand the toughest weather. Our team is proud to be the go-to choice for homeowners looking for roofers near me in Warren, Hunterdon, Morris, and Sussex Counties.
TPO Flat Roofing – Energy-efficient and UV-resistant for long-lasting performance.
EPDM Flat Roofing – Flexible, durable, and ideal for commercial buildings.
Commercial Roof Coating – A protective layer applied to your commercial roof to shield it from the elements, prevent leaks, and extend its lifespan while improving energy efficiency.
Solar Roofing NJ – Energy-Efficient Roofing Solutions
Combine roof protection with energy savings through our solar-ready roofing options.
Solar Panel Integration – Built to maximize energy output.
Eco-Friendly Materials – Reduce your carbon footprint while protecting your property.
James Hardie Siding Contractor Near Me – Fiber Cement Installation Experts
We are certified installers of James Hardie fiber cement siding, offering exceptional protection, style, and longevity. Homeowners choose us as their go-to siding contractor near me for both durability and style.
Fiber Cement Benefits – Fire-resistant, pest-proof, and weather-ready.
Style Options – A variety of colors and textures to match your home’s design.
Gutter Installation NJ & Cleaning
Protect your foundation and landscaping with professional gutter services.
Seamless Aluminum Gutters – Custom-fitted for superior performance.
Gutter Cleaning – Prevent clogs, leaks, and water damage.
Why Choose Alte Roofing & Siding
Over 25 years of experience in NJ roofing and siding.
Proudly A+ BBB Rated by the Better Business Bureau
GAF Master Elite Certified for quality and reliability.
Fully licensed, insured, and committed to customer satisfaction.
Serving Warren, Hunterdon, Morris, Sussex, Somerset, and Bergen counties.
Trusted Roofers Near Me – Serving Homeowners Across NJ
If you’re searching for roofers near me who deliver quality and reliability, Alte Roofing & Siding has you covered. We proudly provide roofing, siding, gutter installation, and solar services in Hackettstown, Washington, Long Valley, Clinton, Flemington, Parsippany, Morristown, Denville, Randolph, and throughout New Jersey.
Looking for roofers near me with 25+ years of experience? Call us today at (908) 850-8558.
Same Day Inspections Available
For over 25 years, we valued each and every customer and their homes, like it was our own by using premium quality products with warranty and applying highest standards for craftsmanship.
Our Process
01
Complimentary Home Consultation
02
Trained And Knowledgeable Office Staff
03
Dedicated Project Manager
04
Factory Trained Installation Crews
05
Post Project Inspections
Happy Customers
We value our customers, find out for yourself why we come highly recommended.
I am very pleased with the team, and the quality of the materials and workmanship in this contract.
Excellent job replacing our roof and gutters. Everything done correctly. Professional
work and everything went without a hitch. I highly recommend using Alte Roofing. We are very happy and our house looks great! The neighbors even complemented us about how nice it looks!
Your people did a good job. I have received many compliments on both roof and work habits of your people.