Overview
About Us
My father, Jeff Alte Sr started the original Jeff Alte Roofing in 1970. In 2017 Dan Alte, who owned Alte Exteriors (speciality roofing) joined up with his father to combined the two great companies. Dan Alte brought with him his GAF Master Elite status with the largest roofing manufacturer in the United States. We are now able to seamlessly provide an amazing customer experience you can recommend to your friends and neighbors. Focusing on the best customer experience, installing top of line material, with the highest level of training, we are confident Alte Exteriors is the best choice for your home. Offering all standard and specialty roofing: custom copper work, metal roofing, slate, cedar, shingles, and flat roofs. Roofing specialist since 1970. Note: hackettstown company called Alte Roofing is not related To our family owned business
*Contractors enrolled in GAF certification programs are not employees or agents of GAF, and GAF does not control or otherwise supervise these independent businesses. Contractors may receive benefits, such as loyalty rewards points and discounts on marketing tools from GAF for participating in the program and offering GAF enhanced warranties, which require the use of a minimum amount of GAF products. Your dealings with a Contractor, and any services they provide to you, are subject to the Contractor Terms of Use.
Customer Reviews

"Dan provided me a detailed quote of the job, thoroughly explained the entire process along with materials. The work was completed in a neat & timely fashion. The roof & gutters look great. They left our property in immaculate condition. I will not hesitate to refer Alte Exteriors."
"Great company, I would highly recommend! They originally came to give us a quote on our roof when we were negotiating with the, to put it nicely, ~difficult~ sellers of our current house. Throughout the whole process they were great and when they did the job, showed up with two days notice and finished the same day. Dan, Mike, and Allie are great!"
"What a pleasure to work with Dan Alte! From our first phone contact until our new roof was complete, Dan, Allie, and his entire crew were friendly and professional. The job was well done in a timely manner for the price contracted. Cleanup was beyond what I could reasonably expect. Dan"s crew even filled and seeded a small tire rut, left by a truck in my lawn, next to the driveway. I cannot recommend Alte highly enough. I would call only them if I needed further roof work."

"Great service."
"Customer asked us not to share his/her review."

- "Great service."
- "Customer asked us not to share his/her review."
- "Alte staff were all knowledgeable and helpful."
- "No Surprises%21"
- "Professional and Knowledgeable Contractor"
- "Customer asked us not to share his/her review."
- "Customer asked us not to share his/her review."
- "Alte Exteriors LLC"
- "Customer asked us not to share his/her review."
- "Customer asked us not to share his/her review."
- "Excellent Contractor - would highly recommend"
- "Customer asked us not to share his/her review."
- "EXCEPTIONAL SERVICE PROVIDER"
- "PROFESSIONAL & KNOWLEDGEABLE CONTRACTOR"
- "LOCAL CONTRACTOR WITH LOTS OF EXPERIENCE"
- "Easy to work with, kept me informed all along the duration of the job"
- "ALTE EXTERIORS"
- "VERY PROFESSIONAL-GREAT"
- "GREAT CONTRACTOR"
- "Customer asked us not to share his/her review."
- "Customer asked us not to share his/her review."
- "EXCELLENT SERVIE"
- "AITE EXTERIORS"
- "PROFESSIONAL & KNOWLEDGEABLE CONTRACTOR"
- "NEW JERSEYS FINEST!"
- "Good communicators%2C highly professional"
- "A-1 CONTRACTOR"
Awards
Installation Excellence Award
This award is for contractors that consistently install with a very high level of quality and provide their customers the highest protection that GAF offers.
Consumer Protection Excellence Award
This award recognizes those contractors that best protect their clients with system selling and enhanced warranties.
Training Excellence Award
This award is for contractors that are committed to training and continuous improvement.
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