Roofing Contractors Mount Lebanon, PA

Experience the difference with our premium roofing solutions.
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When you need experienced roofing contractors in Mount Lebanon, PA (15228), Cousins Roofing, Siding & Decks is the name homeowners trust. We provide expert roof repairs, full roof replacements, and storm damage restoration for everything from classic brick colonials to modern builds in the South Hills.

From homes along Washington Road to quiet neighborhoods near Beverly Road and Castle Shannon Boulevard, our team combines craftsmanship, premium GAF Roofing® products, and local expertise to keep your home protected.

Why Mount Lebanon Homeowners Trust Our Roofing Contractors

  • Licensed & insured roofing specialists serving Allegheny County
  • GAF Roofing® Preferred Installer with top shingle systems & warranties
  • Experienced with historic and upscale homes common in Mount Lebanon
  • Storm damage specialists providing documentation & insurance support
  • Fast, clean, and respectful crews that minimize disruption
  • Family-owned service focused on honesty, reliability, and quality workmanship
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What we do

Our Roofing Services in Mount Lebanon, PA

Roof Replacement

When your roof shows signs of age—curling shingles, leaks, or storm wear—we provide full tear-offs and new installations with premium GAF Roofing® shingles. Choose from a variety of colors and styles to match your home’s architecture.

Included with every roof replacement:

  • Removal of old roofing & inspection of decking
  • Deck repairs as needed
  • Ice & water shield in valleys & eaves
  • Synthetic underlayment for lasting durability
  • Drip edge, flashing & ridge vent installation

Complete cleanup with magnetic nail sweep

Roof Repairs

Not ready for a replacement? We provide repairs to extend the life of your roof, including:

  • Replacing missing or blown-off shingles

  • Leak repair around chimneys, skylights & flashing

  • Flashing & vent boot replacements

  • Nail pop corrections and sealing

Storm Damage Roof Repair

Mount Lebanon’s storms can bring heavy winds and hail. If your roof is damaged, call us for:

  • 24/7 emergency tarping

  • Photo documentation for insurance claims

  • Written repair/replacement estimates

  • Direct communication with adjusters

Commercial Roofing

Our roofing contractors also provide commercial roofing services for local offices, retail properties, and community buildings.

Commercial Roofing Services Include:

  • EPDM, TPO & modified bitumen flat roofing systems.

  • Roof coatings for energy efficiency and extended life.

  • Scheduled maintenance & inspections

  • Emergency storm damage response

Roof Inspections

Buying or selling a home in Mount Lebanon? Our professional roof inspections include photos, condition reports, and repair/replacement recommendations.
Testimonials

What our clients say
about our services.

Google Reviews

“Cousins Roofing, Siding & Decks did an excellent job on my siding! Quick turnaround time as well. I will definitely recommend them to anyone looking to have work done!”

Jay Nulph

Google Reviews

“Sam & Calvin are amazing! They worked with 4 families to give us a new roof. Their team of roofers did an excellent job and Same was here checking on things to make sure we were all satisfied. Sam and Calvin also replaced our front steps and railings. We are so pleased with the workmanship. You can't go wrong with this company.”

Barbara Kruman

Google Reviews

“Cousins did a wonderful job on our deck replacement. Sam is an amazing, honest person and went above and beyond our expectation. His company completed the work in one day. I highly recommend Cousins Roofing, Siding & Decks”

J. Jackson

Google Reviews

“We are so pleased with our new siding, metal roof and brand-new porch. Not only were Sam, Calvin and their crew reliable, responsive, professional, and extremely talented craftsman, they were also a joy to have around. We had a vision, and they nailed it, and quite honestly, they were better than we could have ever hoped. We are already discussing future projects.”

Kristen Lang

Google Reviews

“I can not say enough positive things about this company! I was able to easily schedule an IN PERSON appointment and was given an estimate at that visit. No waiting! Sam was very knowledgeable about products and made great recommendations regarding our back deck replacement. They are quick to reply to calls & text messages and keep you informed at every step of the process. Last, but not least, their workmanship is incredible!!!”

Mindy Pinter

Google Reviews

Contact Us

Cousins Roofing, Siding & Decks
2681 Sidney St #148, Pittsburgh, PA 15203
(724) 913-2665

HOURS
Monday: 8am – 5pm
Tuesday: 8am – 5pm
Wednesday: 8am – 5pm
Thursday: 8am – 5pm
Friday: 8am – 5pm
Saturday: Closed
Sunday: Closed

In addition to Mount Lebanon, PA, our roofing contractors also serve Allison Park, Bethel Park, Cranberry Township, Monroeville, Gibsonia, Wexford, Upper St. Clair, Baldwin, South Park Township, Franklin Park, McMurray, Dormont, Butler, Sewickley, Washington, Mount Washington, Ross Township, Valencia, West View, Brentwood, Mars, Seven Fields, Zelienople, Harmony, Canonsburg, Cecil Township, Peters Township, Bridgeville, McCandless Township, Shaler Township, Whitehall, Murrysville, Plum, Moon Township, South Fayette Township, Fox Chapel, and Lower Burrell.

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FAQs About Roofing in Mount Lebanon, PA

How long does a roof replacement take?

Most Mount Lebanon homes are completed in 1–2 days, depending on size and weather.

Do you work with insurance companies?

Yes. We provide inspections, photos, and estimates to simplify the claims process.

Can you repair just part of my roof?

Yes, if the roof is in otherwise good condition. We’ll explain all repair vs. replacement options.

 

Do you offer commercial roofing?

Yes. We install and maintain flat and low-slope systems for local businesses.

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Call the Roofing Contractors Mount Lebanon Trusts

Get A Free Quote

For everything from storm repairs to full roof replacements, Cousins Roofing, Siding & Decks is the team Mount Lebanon homeowners count on. Call today for your free roofing estimate.