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TRUSTED BY ALLEGHENY, PA HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon646
    Verified roofing services reviews

Top-Rated Roofers in Allegheny - Updated Nov 2026

Avatar for Mike Williams Western PA Slate Roofing
Mike Williams Western PA Slate Roofing
4.5(
104
)
Natural Slate Roofing - RepairNatural Slate Roofing - Repair- For Business

Serving Allegheny, PA and surrounding areas

Approved

In business since 2011

Free estimates

Emergency services offered

"Mike came on time and completed the work as soon as weather permitted. He and his crew were polite and respectful, and his original estimate was the total cost. I would definitely call him for any other roofing issue."
Fall 2011 photos
Fall 2011 photos
Fall 2011 photos
Fall 2011 photos
Fall 2011 photos

+44

Response time8 hrs
Response rate100%
2 neighbors recently requested a quote
Avatar for New Look Home Exteriors
New Look Home Exteriors
4.9(
79
)
Asphalt Shingle Roofing - Install or ReplaceMetal Roofing - Install or ReplaceAsphalt Shingle Roofing - Repair+5 more

Serving Allegheny, PA and surrounding areas

Approved

Super Service Award Winner

In business since 2016

Free estimates

Emergency services offered

"New Look Home Exteriors recently finished putting on a new roof for me. I received around 6 quotes from roofing contractors and landed on these guys because of how thorough and professional they were. The communication through the entire process was top notch. The roof looks fantastic as well. If you need a new roof, look no further!"
AFTER 1
BEFORE 1
AFTER 2
BEFORE 2
Additional Photos

+47

47 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Royal Fox Roofing
Royal Fox Roofing
5.0(
18
)
Asphalt Shingle Roofing - RepairFlat, Foam or Single Ply Roofing - Repair

Serving Allegheny, PA and surrounding areas

Approved

Super Service Award Winner

In business since 2025

Free estimates

Emergency services offered

"Royal Fox Roofing did an outstanding job on our roof replacement. The team was professional, efficient, and detail-oriented from start to finish. They completed the work on time, cleaned up thoroughly, and the new roof looks fantastic. Highly recommend Royal Fox for anyone needing reliable, top-quality roofing services!"
Roof replacement
Roof replacement
Response time1 day
5 neighbors recently requested a quote
Avatar for MHI Roofing
MHI Roofing
4.4(
461
)
Asphalt Shingle Roofing - Install or ReplaceAsphalt Shingle Roofing - RepairInspection - Roofing

Serving Allegheny, PA and surrounding areas

Approved

In business since 1979

Free estimates

Emergency services offered

"Caleb was very knowledgeable on what my roof needed. Caleb recommended that the whole roof be replaced and I agreed was thinking of a metal roof just put over the original and didn’t realize the extra weight that was added to that so glad he talked me out of it."
Before & After
Before & After
Before & After
Before & After
Before & After

+56

Response time12 hrs
Response rate100%
733 neighbors recently requested a quote
Avatar for TECTUM QUALITY ROOFING LLC
TECTUM QUALITY ROOFING LLC
5.0(
5
)
Asphalt Shingle Roofing - Install or ReplaceMetal Roofing - Install or ReplaceAsphalt Shingle Roofing - Install or Replace - For Business+3 more

Serving Allegheny, PA and surrounding areas

Approved

In business since 2017

Free estimates

Credit card accepted

Welcome to Tectum Quality Roofing; we believe a roof is more than just protection—it’s peace of mind, a safe haven, and a critical part of your home or business. Our expert team combines top-quality materials with unmatched craftsmanship, ensuring every roof we install stands the test of time. At TQR, we don’t just build roofs; we build trust, relationships, and peace of mind. Let us take care of your roof – so you can focus on what matters most: the people under it. Your Roof. Our Priority. Always.\n\nWith 25 years of extensive experience in construction projects, our local business is built on a foundation of trust and expertise. You can rely on us for all your roofing needs.\n\nPlease call us at 412-512-5824 or leave your contact details to get a free estimate for all your roofing and exterior needs.\n

Roof and Drainage
Fence
Roof
Roof
Siding

+13

6 neighbors recently requested a quote
Avatar for Alex Mackay
Alex Mackay
4.9(
68
)
Asphalt Shingle Roofing - Repair - For BusinessFlat, Foam or Single Ply Roofing - Repair- For Business

Serving Allegheny, PA and surrounding areas

Approved

In business since 2009

Free estimates

Warranties offered

"I hired Alex to paint the exterior of my home. He was so easy to work with and very timely. The final result is absolutely beautiful and the quality of the work is outstanding. I would and will recommend him to all of my family and friends."
Response time8 hrs
Response rate93%
Recommended by95%of homeowners
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Showing 1-10 of 566
Roofing FAQs, answered by experts

Many states require roofers to be licensed, and some states don’t mandate licensing. You can use Angi’s state licensing tool to check if a roofing company holds the proper licensing for your area. A licensed roofing contractor will provide reliable roof installation service, leading to a reduced risk of leaks in the future, which can be expensive to repair. Paying more for a licensed roofer upfront often means paying less over time.

Whether you should choose a flat roof or a sloped roof depends on your particular situation. Flat roofs tend to be less expensive to install. However, sloped roofs have longer lifespans and stand up better to heavy snow and other inclement weather.

Keep in mind that even a flat roof needs to have a slight slope, usually around 1/2 inch for every foot. If it is completely flat, water will pool and cause damage, either from weight or leakage or rot.

Rain shouldn’t come in through your ridge vents unless your vents are damaged or the rain is accompanied by very high winds. Most ridge vents use flashing or baffling to keep out rain, snow, and debris. If your ridge vent isn’t baffled, rain is more likely to enter your attic, so ridge vents with baffles are a better choice in areas with regular rainfall.

There are several signs that indicate you’ll need new underlayment. Clear signs include missing or damaged roofing and exposing the underlayment to the elements. Additionally, if you notice water damage in your home by the roof after a storm, it could indicate that your underlayment may need to be replaced. If your gutters aren’t draining properly, it could also lead to rotting or water damage to the underlayment.

Architectural shingles typically last between 20 and 30 years. While some manufacturers provide warranties for 30 to 50 years, particularly for extreme weather, achieving such a long lifespan is uncommon. The actual life of your shingles can be shorter if you live in an area prone to strong winds, hailstorms, or other severe weather. To avoid the risk of roof failure and costly water damage from leaks, it is recommended to replace your roof before it reaches the end of its expected life. Scheduling regular roof inspections every few years is a good way to assess your roof's condition and determine the best timeline for replacement.

The Allegheny, PA homeowners’ guide to roofing services

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