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Testimonials

Customers Love To Shop Decking At Allegheny Millwork & Lumber!

I really like this place. Every profile I need, they have. They are always cheaper than the big box stores. Friendly and knowledgeable. My go to place in the winter.
They have a great selection of mouldings that you will not find in a big box stores. This time I was looking for Simpson strong ties and they have the best selection.
Best the place to go for any type of customers. The gentleman in the yellow hoodies definitely went above and beyond to help me, pretty much helped me out my car from the start. Worth the visit or call, you won't be disappointed.
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Related Products

Lumber

Create The Foundation

wood decking

Allegheny Millwork & Lumber stocks the treated lumber needed to build the deck of your dreams. Outdoors, blue skies, and cookouts.

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Patio Doors

The Perfect Outside Look

Marvin Patio Door

If you have a patio or outdoor area in your home, the entryway is just as important is the front door. Patio doors demand unobstructed views and lots of light. Come talk to us!

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Siding

Outdoor Aesthetics

Everlast Siding Creo construction

Using quality, customized siding gives your exterior character. Choose from a variety of style choices to give your home the curb-appeal they can't turn away from.

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Our Process

Build The Best Outdoor Deck With Allegheny Millwork & Lumber

Showroom Consultation
Planning & Quote
Measurements and Revisions
Order and Go!
Design Team

Let's Bring Your Vision To Life.

Our design team is ready to help make the home project of your dreams a reality. When you are looking to update your home, you want a professional designer who will bring fresh, new ideas to your living space. Our kitchen and bath designers use innovative methods to help recreate rooms with style, functionality, and lasting value to fit each client’s specific needs and budget. We are at the forefront of our industry through continued design education and commitment to customer satisfaction. You can expect a wide range of premium products and resources for your home, as well as creative design solutions with attention to every detail. We will take your kitchen and bath ideas to create a space for everyone to enjoy. Making a hassle-free, personalized service is our number one priority.

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Featured Products

Trex Composite Decking

Trex Deck Planning Season 1

Engineering what’s next in outdoor living® isn’t just a motto. More than 20 years ago, Trex revolutionized the industry by introducing a high-performance, eco-friendly alternative to wood decking. Today, they offer even more ways to live outdoors – whether on a budget or a big, bold idea. Trex composite decking won’t rot, warp, or splinter. It’ won’t fade or stain. It doesn’t require seasonal painting, sealing or staining. And termites don’t like the taste. Vibrant shades of possibility give out he unmatched control over the design of the deck. Discover your style with a range of options, choose your hue and price it out on their website cost calculator tool.

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About Us

Why Builders Recommend Allegheny Millwork & Lumber

Our reputation for quality and excellence is why you should choose Allegheny Millwork & Lumber.  Our staff is highly knowledgeable and friendly.  We will help guide you through the myriad products when you are building or renovating your home.

From building materials to fine finishes, we have you covered.  Beautiful doors create a welcoming entrance to your home.  Crystalline windows and gargantuan patio doors can grace your property, framing the view and keeping you protected from the elements.  Our experts can help you make the decisions when choosing what is right for you.  No project is too big or too small.  Come see why the best contractors in Pittsburgh have been using Allegheny Millwork & Lumber for the last 40 years.

With over 350 moulding profiles in stock, we can adorn your windows and doors, ceilings, walls, and floors with quality woodwork to put your own stamp on the project at hand.  We can also match existing millwork to complete your historical renovation.

Additionally, we will help you design the kitchen of your dreams.  We encourage you to make an appointment in our 10,000 square feet design showroom.  You can also visit our virtual showroom by clicking on the link to the right  We hope to see you soon!