Luxury home deck at sunset with outdoor dining area, umbrella, lounge seating, fire table, landscape lighting, and cable railings

custom decks

Custom Deck Design & Construction in Montgomery County, MD

Beautifully designed. Expertly built. Our custom, composite, and PVC decks combine lasting durability with thoughtful design to create outdoor spaces tailored to your home and lifestyle.

custom decks

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composite decking

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pvc decking

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built to last

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custom decks ✳︎ composite decking ✳︎ pvc decking ✳︎ built to last ✳︎

MORE THAN JUST A DECK.

Modern home’s spacious deck with black railing, outdoor dining area, and forest views
Cozy outdoor deck with cushioned seating, fire pit, area rug, potted plant, and wooded view

COMPOSITE DECKING

Beautiful, low-maintenance Trex decking engineered for durability, lasting color, and everyday outdoor living.

Gray composite deck with white railings, outdoor dining set, potted plant, and wooded backyard

ADVANCED PVC DECKING

TimberTech Premium decking with exceptional moisture resistance, realistic wood aesthetics, and minimal maintenance.

CUSTOM DECK DESIGNS

From multi-level layouts to integrated lighting, custom railings, and architectural details, every deck is tailored to your home.

THE GOLIATH DIFFERENCE

Modern outdoor composite deck with glass railing, lounge seating, fire table, and landscaped garden

At Goliath Construction, we believe your deck should be more than just an outdoor structure. It should be a natural extension of your home, thoughtfully designed to complement its architecture and enhance the way you live.

From the initial design to the finishing details, we focus on quality craftsmanship, premium materials, and personalized solutions. Whether you're envisioning an expansive entertaining space, a multi-level deck, or a seamless transition to your backyard, we bring your vision to life with precision and purpose.

Graphic highlighting custom deck design, premium Trex and TimberTech decking materials, and expert craftsmanship.

DESIGNED AROUND YOU.

The details make the difference. From architectural railings and integrated lighting to multi-level layouts and covered outdoor spaces, we design custom decks that bring together functionality, comfort, and lasting beauty. Every element is thoughtfully selected to complement your home and the way you enjoy your outdoor space.

Collage showcasing custom deck features, including modern railings, integrated lighting, multi-level designs, screened spaces, outdoor entertaining areas, and architectural details.

BUILT TO IMPRESS.

Exlopre our custom deck projects

Composite portfolio graphic showing three luxury outdoor deck projects in Maryland: a custom composite deck in Rockville, a covered screened PVC deck in Bethesda, and a multi-level outdoor living area with a fire pit in Potomac.

Q&A

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Q&A 〰️

Building a custom deck is a significant investment, and we believe homeowners should feel confident throughout the process. Here are answers to some of the most common questions about our deck design and construction services.

  • The cost of a custom deck depends on its size, elevation, materials, structural requirements, and design features. Composite and PVC decking generally require a higher initial investment but offer reduced maintenance. Goliath Construction provides personalized estimates based on your property, design preferences, and project goals. text goes here

  • Trex specializes in composite decking, while TimberTech offers both composite and Advanced PVC decking products. Both manufacturers provide durable, low-maintenance options in a variety of colors and finishes. The best choice depends on your desired appearance, budget, and long-term performance expectations. text goes here

  • Description text Construction timelines vary based on the size and complexity of the deck, permitting requirements, weather conditions, and material availability. During the planning process, Goliath Construction will discuss the anticipated construction schedule and provide a timeline tailored to your project. here

  • Item Many deck construction projects in Montgomery County require building permits, depending on their size, height, and structural design. Goliath Construction can assist with identifying applicable permitting requirements and coordinating the necessary documentation as part of the project planning process.

  • Yes. Goliath Construction specializes in replacing aging decks with modern composite and PVC decking systems. We evaluate the existing structure to determine whether any components can be retained or if a complete rebuild is necessary. Our goal is to deliver a safe, durable, and visually appealing outdoor space.

  • Absolutely. Our custom decks can incorporate integrated LED lighting, modern railing systems, multi-level layouts, outdoor kitchens, and covered or screened porches. We design each project around your home's architecture and your outdoor living goals, creating a cohesive space that combines comfort, functionality, and style.

lets build something exceptional

Your dream deck starts HERE

Ready to transform your outdoor space? Whether you're envisioning a modern composite deck, a premium PVC deck, or a complete outdoor living experience, Goliath Construction is ready to bring your vision to life.

Serving homeowners throughout Montgomery County, Maryland, including Potomac, Bethesda, Rockville, Gaithersburg, and surrounding communities.