Deck Builders Mount Washington, PA

Experience the difference with our premium decking solutions in Mount Washington, PA
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Looking for trusted deck builders in Mount Washington, PA (15211)? Cousins Roofing, Siding & Decks designs and builds custom decks that make the most of Mount Washington’s beautiful views and challenging landscapes. Whether you want a cozy rooftop retreat or a sturdy backyard deck, our licensed and insured contractors deliver quality you can count on.

From homes overlooking Grandview Avenue to hillside properties along Virginia Avenue, Sycamore Street, and Shiloh Street, we specialize in crafting decks that are as strong as they are stunning — built to handle Pittsburgh’s slopes, weather, and lifestyle.

Why Mount Washington Homeowners Choose Our Decking Contractors

  • Licensed and insured deck builders with years of experience in Pittsburgh terrain
  • Custom designs tailored for hillside lots and limited space
  • Composite and pressure-treated wood options available
  • Built to local building codes and structural safety standards
  • Full-service — design, engineering, permitting, and construction
  • Family-owned company known for integrity, reliability, and craftsmanship
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What we do

Our Decking Services in Mount Washington, PA

Custom Deck Design and Installation

We design decks that fit your home’s architecture, yard layout, and lifestyle. Whether you want a wraparound deck, rooftop build, or multi-tier hillside platform, we’ll engineer it for safety, strength, and style.

Composite Decks

Composite decking is ideal for Mount Washington’s weather. It resists moisture, fading, and warping — perfect for elevated decks and tight spaces that require low maintenance and long-lasting durability.

Deck Repairs and Restorations

If your current deck is aging or showing wear, our team can restore it to like-new condition. We handle:

  • Rotted or warped board replacement

  • Railing and step repairs

  • Structural reinforcement and leveling

  • Resurfacing, sanding, and resealing

Railings, Lighting & Deck Upgrades

Enhance your deck’s safety and comfort with stylish, functional upgrades like:

  • Composite or aluminum railings

  • Built-in seating, planters, and privacy screens

  • Low-voltage LED lighting for evening use

  • Pergolas or partial coverings for sun protection

Pressure-Treated Wood Decks

A timeless, natural choice, wood decking offers beauty and versatility. Our pressure-treated lumber decks can be stained or sealed to complement your home’s look while offering dependable structural strength.

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

Decks Designed for Mount Washington Living

Decks in Mount Washington are more than outdoor spaces — they’re extensions of the view. We design decks that allow homeowners to:

  • Enjoy panoramic city views and sunsets over Pittsburgh

  • Expand living space on hillside or small lots

  • Host guests and outdoor gatherings comfortably

  • Increase property value with custom outdoor features

Each Cousins-built deck combines beauty, strength, and safety — built to meet Mount Washington’s topographical challenges and exceed your expectations.

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 Washington, PA, our decking contractors also serve Allison Park, Mount Lebanon, Bethel Park, Cranberry Township, Monroeville, Gibsonia, Wexford, Upper St. Clair, Baldwin, South Park Township, Franklin Park, McMurray, Dormont, Washington, Butler, Sewickley, 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 Decking in Mt. Washington, PA

How long does it take to build a new deck?

Most decks are completed in one to two weeks, depending on design complexity and elevation.

 

Can you build on steep or uneven terrain?

Yes, we specialize in hillside and elevated deck designs with secure, engineered supports.

Which is better — composite or wood?

Composite offers longer life and minimal upkeep, while wood provides natural beauty at a lower initial cost. We’ll help you choose what works best for your property.

 

Do you handle permits and inspections?

Yes. We take care of design approvals, permits, and inspections from start to finish.

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Transform your outdoor space with Cousins Roofing, Siding & Decks — the trusted deck builders in Mount Washington, PA. Call today for a free design consultation and estimate.