Wood or Low-Main- tenance decks 15% off! (min 200 sq. ft.)

We stand behind our work with a 5 year structural warranty.

Call us today with your next deck project for a free consultation!

Maryland Deck, Screened Porch & Patio Builders

Serving the Ellicott City, Annapolis, Columbia, and Baltimore, Maryland Areas

If you’re looking to expand your outdoor living space with a deck, patio, screened porch, or portico, turn to the deck builders at Diamond Decks. We offer a variety of building services, including screen rooms, patios, and more. From the start, we’ve prioritized terrific customer service, unparalleled craftsmanship, and the use of high-quality and long-lasting materials.

When we started our company in 1992, we wanted to create a company built on exceptional customer service and quality designs. We treat every project differently; we take your vision, budget, and expectations to create and design a deck that is specific to your needs and home. We pay attention to every detail so you get an outdoor space that will last and you can enjoy for years to come.

Ready to start building your dream outdoor space? Call the experts at Diamond Decks & Home Improvement. Give us a call or contact us online to get a free consultation! 

Outdoor Porch Fireplace

Our Deck Building Services in Maryland

When it comes to deck design and installation in Maryland, there’s no better place to turn than Diamond Decks. We use products from trusted manufacturers such as Azek, Fiberon, TREX, and TimberTech to ensure that our customers’ decks will hold up for years. Like our decking materials, our durable, crack-resistant patio pavers are also designed to hold up long into the future, with almost no need for maintenance.

We install a variety of different patios and porches, including custom screen rooms to increase the livable space of your home. We can even add a ceiling fan, lights, and other touches needed to make your screened porch feel as inviting as any other room in your house.

Want to learn more? Check out our project gallery.  There, you can find previous projects Diamond Deck’s has worked on so you can get a better understanding of what we can do for you! 

White custom deck

Our Deck Builder’s Guarantee

Diamond Decks doesn’t build cheap decks; however, we do build high-quality decks at an affordable price. Our expert builders use quality, durable materials to build additions that will last a lifetime. Because of this difference, we’re able to offer a five-year warranty—five times the industry standard. We also offer maintenance plans to ensure your deck remains beautiful for years to come.

But don’t take our word for it. See what some of our other Maryland customers have to say about their experience with Diamond Decks. You’ll see the level of expertise and customer service that we bring to every job.

Schedule Your Free in-Home Consultation!

No matter how you want to expand your livable space or how you plan to use it, we have the expertise needed to create a completely personalized solution. So, if you’re interested in any of our outdoor living products or services, and you live in the Baltimore, Maryland area, contact Diamond Decks today. We’ll gladly answer any of your questions and assist you in scheduling your free in-home consultation.

We proudly serve homes throughout Maryland, including: