Southern NH Decks Built to Last

Deck Builders of Derry NH

More Than Just Boards and Nails

Custom Deck Solutions for Derry Homes

From East Derry to Beaver Lake, Alliance Deck Builders of Derry provides tailored outdoor spaces designed for how you live. We understand the local terrain, town permitting process, and weather patterns that impact deck design. Whether you're adding a grilling station, screened porch, or multi-level platform, our Derry-based team gets it done right—every time.

How Can We Help?

I agree to terms & conditions and privacy policy provided by the company. By providing my phone number, I agree to receive text messages from the business.

GIVE US A CALL

Built with Care, Backed by Experience

A Deck Company That Works For You

We approach each project like it’s our own. Our licensed crews deliver structural integrity, visual appeal, and practical features that hold up to New Hampshire’s seasons. We use top-rated materials and follow every safety and zoning regulation in town—so you don’t have to worry about anything but enjoying the finished space.

Derry permits & code handled for you

Composite, wood & hybrid materials available

Decks designed for snow, shade & slope

Backyard deck with shade pergola and code railing in Derry NH

Year-Round Performance in Southern NH

Strong Decks for Snow, Rain & Humidity

Decks in Derry need to do more than look good—they need to survive four seasons of wear. We build with frost-rated footings, moisture-resistant framing, and rot-proof surfacing to prevent premature failure. From snow load calculations to proper drainage, every detail is handled by local pros who understand this region.

GIVE US A CALL

Screened porch with grilling area and composite flooring in Derry NH

Porches, Roofs, Kitchens & Add-Ons

Comfort Features Built Right In

Want more than just a deck? We design full outdoor environments with grilling stations, patio roofs, storage zones, and screened enclosures that blend seamlessly into your home. From compact backyards to spacious properties, every structure is customized to suit your needs.

Deck Solutions for Every Type of Property

Designed for Small Lots & Big Plans

Derry has a wide range of home styles, from new subdivisions to historic properties with tight setbacks. We’re skilled at maximizing function and flow—even when space is limited. Our designers create layouts that work with your landscape, lifestyle, and budget, while keeping the build 100% code compliant.

GIVE US A CALL

Custom deck layout on small suburban lot in Derry NH

Derry Deck Projects by Neighborhood

Lake-facing deck with drainage system in Beaver Lake Derry NH

Beaver Lake Area: Lakeside properties require slip-resistant surfacing, storm drainage, and strong footings—we design for both safety and scenery.

Multi-level deck with stairs built on hillside lot in East Derry NH

East Derry: Sloped terrain is common—we build terraced platforms and safe stair systems to navigate elevation changes without sacrificing space.

Modern composite deck with lights near Hood Commons in Derry NH

Hood Commons Area: Newer homes often call for modern designs—our composite builds here include built-in lighting, metal railings, and sleek covered roofs.

Don't worry, we can help!

GIVE US A CALL

About Alliance Deck Builders of Derry

We’re not a franchise—we’re your neighbors. Alliance Deck Builders of Derry is staffed by local professionals who know the materials, codes, and climate of southern New Hampshire. From East Broadway to Island Pond Road, we’ve helped homeowners transform their outdoor spaces with smart, sturdy designs. We offer transparent pricing, clean work sites, and timelines that stick. Whether it’s your first deck or your fifth, we’re here to build it right.

GIVE US A CALL

Restaurants, Rooftops & Shared Spaces

Trusted for Commercial Deck Projects

We work with Derry’s small businesses, HOAs, and property managers to create safe, stylish outdoor decks that meet occupancy and access code requirements. Whether it’s a rooftop seating area or a walk-up platform for a retail space, we provide stamped plans, secure railing systems, and fast turnaround—without cutting corners.