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TRUSTED BY CHELMSFORD, MA HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon1k+
    Verified roofing services reviews

Top-Rated Roofers in Chelmsford - Updated Nov 2026

Avatar for All Under One Roof
All Under One Roof
4.7(
131
)
Asphalt Shingle Roofing - Install or ReplaceAsphalt Shingle Roofing - Install or Replace - For BusinessFlat, Foam, or Single Ply Roofing - Install or Replace+17 more

Serving Chelmsford, MA and surrounding areas

Approved

In business since 1974

Free estimates

Warranties offered

"All Under One Roof recently replaced my roof on a 3-story, 200+ year old Federal in Newburyport. It was a big job that entailed removing 3 layers of rolled roofing/asphalt shingles; removing original skylight & taking down old dormant chimney to roof line and roofing over both; installing ½ “ plywood and asphalt shingles over new roof. I can’t say enough good things about All Under One Roof. They had a great crew and did a fantastic job. In fact, my neighbor across the street who had a birds eye view of work in progress, then hired them to replace his roof. John Lanzafame, the company’s owner, is a jewel. He’s very professional, responsible and communicative – a “take charge” guy in the best meaning possible. I was completely comfortable and confident that I was in good hands, and did not have to worry about micro managing the work. I should also point out that All Under One Roof began work on date scheduled (a month in advance) and completed the job (start to finish) in short order. I highly recommend All Under One Roof. Have dealt with various contractors for numerous issues over the years as I own several rental properties, and this has been my most positive experience by far. Kathy Quill"
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+26

Response time6 hrs
2 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for Global Home Exteriors, Inc.
Global Home Exteriors, Inc.
4.8(
86
)
Flat, Foam, or Single Ply Roofing - Install or Replace- For BusinessSealant for Roof - Apply- For BusinessAsphalt Shingle Roofing - Repair - For Business+2 more

Serving Chelmsford, MA and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"I had a leak that can be seen from a ceiling. Called several roofing companies and got no reply back. Used home advisor and have Andrea called me and scheduled the visit promptly for Freddy to come and check the leak. Freddy was very professional, identified the leak that was due to improper seal of one of the skylights and fixed it right away. He also checked my other skylights and some had the same problem which he fixed. Freddy checked my roof for issues and provided tips for maintenance so it can last long. Definitely will recommend Global Home Improvement, Inc as a honest and very professional company !"
Roof Replacement
Roof Underlayment
Roof Installation
Roof Prep & Install
Shingle Installation

+1

Response time3 days
161 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for RB FARINA ROOFING & CONSTRUCTION, INC.
RB FARINA ROOFING & CONSTRUCTION, INC.
4.2(
80
)
Asphalt Shingle Roofing - RepairAsphalt Shingle Roofing - Install or ReplaceFlat, Foam or Single Ply Roofing - Repair+19 more

Serving Chelmsford, MA and surrounding areas

Approved

In business since 1984

Free estimates

Emergency services offered

"Leo and Ricardo showed up to look at the job on time and they were very professional. They evaluated all the troubled spots and took pictures. They provided a comprehensive quote within a day or two complete with the photos they had taken. I had a few questions on the quote which May in the office tried to answer. Once she was unable to answer some of these questions she had Leo and Ricardo call me. May is very easy to get in touch with but Leo and Ricardo are a little more difficult to reach since they are out in the field all day. Once I approved the quote the were at the house the next day to erect scaffolding. They also were expecting a deposit from me which was never made clear so there was a little confusion there. Our house was built in 1884 so after they started work they discovered the roof was in worse shape then they originally anticipated. They were quick to send photos of the condition of the roof but I was never given a firm price as to what the additional costs would be. They completed work in 3-4 days and clean up was done professionally. The additional work they needed to do was significant and I was never fully made aware of what this was until I received the final bill. I trusted Farina that the price Farina billed me on the additional work was fair. This is based on the other quotes I received from other roofers-all of which seemed either too simplistic of a fix or far too comprehensive and expensive considering the size of the leaks."
commercial TV RB Farina Roofing Co
commercial TV RB Farina Roofing Co
commercial TV RB Farina Roofing Co
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commercial TV RB Farina Roofing Co

+32

44 neighbors recently requested a quote
Recommended by84%of homeowners
Avatar for Action Roofing & Construction Inc.
Action Roofing & Construction Inc.
4.7(
27
)
Asphalt Shingle Roofing - Install or Replace

Serving Chelmsford, MA and surrounding areas

Approved

In business since 2003

Free estimates

Emergency services offered

"We got 3 roofing estimates. We made an appointment with the owner David Crasny. He showed up on time. He was the only one of the 3 roofers who got up on the roof (3 stories) to take pictures and evaluate. We received his estimate in 2 days as promised. It was detailed and thorough and gave us the option for a few extras (over fascia sealing & back porch). His price seems very fair. All roofers use GAF or equivalent shingles. He is trained and certified in GAF products. We were told by 2 roofers (we didn't ask him specifically) that we could have some shingle repairs done and can delay a new roof for 2 years. Based on his promptness and professionalism in person and in his estimate we will probably choose him when we do our new roof. We got a very low and very high estimate from other roofers. His was in the middle."
Additional Photos
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+20

Response time1 day
1 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Mighty Dog Roofing of Greater Middlesex
Mighty Dog Roofing of Greater Middlesex
4.8(
49
)
Asphalt Shingle Roofing - RepairAsphalt Shingle Roofing - Install or ReplaceRoof - Clean+10 more

Serving Chelmsford, MA and surrounding areas

Approved

In business since 2014

Free estimates

Warranties offered

"If we could give Mighty Dog Roofing more than five stars, we would. Their pricing was excellent, their turnaround time was lightning fast, and the communication and workmanship far exceeded our expectations. From the moment Paul came to our home to inspect our old, leaking skylight, we knew we were dealing with a company that values professionalism and integrity. The crew replaced our skylight along with the extensive rotted roof sheathing around it. They also replaced a missing shingle and sealed a vent pipe and a second skylight at no additional charge. Their communication was excellent. They provided photos and videos before, during, and after the project. Mike, the outstanding on-site supervisor, checked in with us repeatedly, answered every question, and made sure we knew exactly what was happening. He and his crew also left the place spotless when they were done. We’ve hired many contractors over the years, and this was genuinely one of the best experiences we’ve ever had."
Premium Roofing
Premium Roofing
Premium Roofing
Premium Roofing
Premium Roofing

+152

126 neighbors recently requested a quote
Recommended by16%of homeowners
Exteriors Unlimited, LLC
5.0(
31
)
Asphalt Shingle Roofing - Install or ReplaceAsphalt Shingle Roofing - Install or Replace - For Business

Serving Chelmsford, MA and surrounding areas

Approved

In business since 2015

Free estimates

Warranties offered

"Very easy to get in touch with! Whenever I had a question for Chad, he was always an easy text or call away. The quality of the work is good, and the price was about $100 less than comparable quotes I received from contractors using the same roofing system."
Billerica Project
Response time9 hrs
Response rate90%
1 neighbors recently requested a quote
Avatar for East Coast Metal Roofing, LLC - Massachusetts
East Coast Metal Roofing, LLC - Massachusetts
4.6(
104
)
Metal Roofing - Install or Replace

Serving Chelmsford, MA and surrounding areas

Approved

In business since 2015

Free estimates

Warranties offered

"Clear communication through the whole process. Questions were answered promptly and the roof looks amazing. I was extremely impressed with the work ethics of the crew, as well as the care the project manager and quality control team gave us."
Halifax, MA - Dawn Gray Aluminum Shingle
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Southborough, MA - Black Aluminum Shingle
Rindge, NH - Classic Brown Aluminum Shingle
Webster, MA - Black Aluminum Shingle

+155

Response time2 days
79 neighbors recently requested a quote
Recommended by92%of homeowners
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Roofing FAQs, answered by experts

In some cases, yes, you can put a second roof layer over architectural shingles, but it depends on your home’s structural stability and the local building codes where you live. Architectural shingles are thicker and heavier than standard asphalt shingles, so you may need structural reinforcement or a structural engineer’s inspection before proceeding. Additionally, some building departments don’t allow for two roof layers, regardless of the roof type. You should ask a professional if ripping the old roof off before installing the new one is the best option for you.

Roof leaks develop quickly and can cause serious damage to your house and in extreme cases, quite nearly ruin it. Roof leaks have been known to affect even the foundations of a home, so taking care of any issues as soon as they pop up—or even before—is of the utmost importance.

Asphalt shingles blister when air gets trapped between building materials, either within the layers of the shingle itself or in adhesives on the undersides of the shingles. As the roof heats up in direct sunlight, the trapped gas expands and creates a bubble in the roof. Eventually, the bubble can pop, leaving an exposed area of decking and underlayment.

A standard roof can hold a live load of about 20 pounds per square foot. However, gable roofs often have steeper-than-average slopes, so calculating their weight capacity can be challenging. If the slope of your gable roof is greater than 4:12, the live load needs to be decreased to allow for a larger dead load. Ask your roofer exactly how much weight your roof can support.

The level of underlayment’s water resistance will depend on the type of underlayment. The most popular underlayment, felt, is water-resistant, but it can’t withstand long direct exposure to rain or the elements. 

Synthetic underlayment is more waterproof, but asphalt is the only fully waterproof type of underlayment.

The Chelmsford, MA homeowners’ guide to roofing services

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