Cousins Roofing, Siding & Decks – Washington, PA
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Cousins Roofing, Siding & Decks – Washington, PA

Plan, design, and build your dream outdoor space with Cousins Roofing, Siding & Decks. Our Washington location is here to serve homeowners who want durable roofs, beautiful siding, and custom decks built to last.

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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

Cousins Roofing, Siding & Decks - Washington, PA

Roofing, Siding, & Decking Contractors in Washington, PA

At Cousins Roofing, Siding & Decks, we’ve expanded into Washington, PA to bring the same trusted craftsmanship that Pittsburgh homeowners have relied on for years. From new roofing systems to siding replacements and deck design, our team delivers high-quality projects that increase home value, improve curb appeal, and create comfortable outdoor living spaces.

Whether your home needs storm damage repairs or you’re planning a complete backyard upgrade, Cousins makes the process simple and stress-free.

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Roofing

A strong roof is the first line of defense against Pennsylvania weather. Our roofing contractors in Washington, PA specialize in roof repairs, replacements, and full installations using GAF Roofing shingles and other premium materials.

From steep gables to flat roofs, we have the expertise to match your home’s style while ensuring maximum protection. Our work is backed by a lifetime workmanship guarantee, giving you confidence your roof will stand the test of time.
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Siding

Your siding does more than protect your home — it defines its character. Our siding contractors in Washington install vinyl, fiber cement, and metal siding designed to handle Western PA’s tough winters and humid summers.

We’ll help you choose a color and material that suits your home, then install it with precision for a beautiful, low-maintenance finish. The result? A fresh, energy-efficient exterior that keeps your home protected year after year.
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Decking

Dreaming of a new deck? Our Washington deck builders design and build outdoor living spaces that fit your lifestyle. Whether you want a cozy retreat for family time or a large entertainment space, we bring your vision to life.

We use both natural wood and composite materials to create decks that look great and hold up against the elements. With our attention to detail and custom design approach, your new deck will be the perfect spot for gatherings and memories.
Experience the Difference

Why Choose
Cousins Roofing, Siding & Decks in Washington, PA?

All Structures Are Designed By In-House Architects
Family Owned
And Operated

At Cousins Roofing, Siding & Decks, family values guide everything we do. As a locally rooted, family-run business, we bring integrity, care, and personal attention to every project. Our team treats your home as if it were our own, delivering quality you can rely on for years to come.

Lifetime Workmanship
Guarantee

We don’t just complete projects — we stand behind them for life. Every roof, siding installation, and deck we build is backed by our lifetime workmanship guarantee, giving Washington homeowners peace of mind that their investment is built to last.

Customer
Satisfaction

Your satisfaction is more than a goal — it’s our standard. We take pride in exceeding expectations, listening closely to your needs, and delivering results that leave you 100% happy with your home improvement project.

Clear & Consistent
Communication

From the first consultation to the final walkthrough, we make communication a priority. Our team keeps you updated at every step so you always know what’s happening, when it’s happening, and how your project is progressing.

Serving Western Pennsylvania

Cousins Roofing, Siding & Decks – Washington, PA
6 S Main St Suite #510
Washington, PA 15301
(412) 228-3145

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

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Have Any Questions?

Frequently Asked Questions

What makes Cousins Roofing, Siding & Decks different from other contractors in Washington, PA?

Unlike many contractors, we’re family-owned, locally based with an office right on Main Street, and we back every project with a lifetime workmanship guarantee. Our in-house design team and use of GAF Roofing products ensure quality that lasts.

How quickly can you provide an estimate?

We typically schedule free estimates within a few days of your call. Our team shows up on time, evaluates your project, and gives you a detailed, written proposal so you can make an informed decision.

 

Do you handle insurance claims for storm damage?

Yes. If your roof or siding was damaged by high winds, hail, or storms common in Washington County, we can work directly with your insurance company — including submitting photos and invoices — to simplify the process for you.

How long will my project take?

Every project is unique, but most roof replacements are completed in 1–2 days. Siding installations and deck builds vary based on size and complexity. We’ll provide a clear timeline during your estimate and keep you updated throughout.

Do you only serve Washington, PA?

No — in addition to Washington, we serve surrounding communities like Canonsburg, McMurray, Waynesburg, and the greater Washington County area.

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Have a New Vision for Your Home?

CALL US: (724) 913-2665

Our quotes and advice are free and we always show up on time for appointments.