Deck Builder in Boston, MA

Custom composite decks for Boston homes — Trex and TimberTech certified installer. Designs built for urban lots, multi-family buildings, and the unique outdoor spaces that come with living in a city where every square foot matters. Google Guaranteed. 150+ five-star reviews.

A modern and elegant deck designed and built by D&G Exteriors in Boston, MA, for outdoor relaxation.
D&G Exteriors is a Google Guaranteed company!
Certainteed Saint-Gobain Shingle Master Certification
D&G Exteriors is a Trex Certified deck installer!
Better Business Bureau A+ Accreditation
D&G Exteriors is Certainteed 5-Star siding contractor certified.
D&G Exteriors is a timertech pro contractor!
James Hardie Elite Preferred Certification
A newly built deck by D&G Exteriors in Boston, MA, showcasing expert craftsmanship and stylish finishes.

Why Boston Homeowners Choose D&G for Deck Building

Outdoor space in Boston is hard to come by. Most lots are compact, many homes are attached or semi-attached, and backyards — when they exist — are narrow, oddly shaped, or split between units. A well-designed deck turns an underused rear yard, a flat roof section, or a tight side space into the outdoor room your property doesn’t otherwise have.

CUSTOMER FEEDBACK ・ HEAR FROM OUR CLIENTS

Boston's Highest-Rated Deck Builder!

5.0 Stars Across 150+ Reviews

How D&G Builds a Deck in Boston

Every deck starts with one question: how do you want to use this space? In Boston, the answer matters more than most places because the space is limited and the design has to work within real urban constraints.

A beautifully designed deck by D&G Exteriors in Boston, MA, featuring durable materials and a modern railing system.
FREQUENTLY ASKED ・ ANSWERS TO YOUR QUESTIONS

Frequently Asked Questions About Deck Building Services in Boston, MA

What is the first step you take in a new deck project?

Understanding how you plan to use the space. In Boston, outdoor space is at a premium, so the answer shapes everything — entertaining, a quiet retreat, container gardening, a grilling station, storage underneath. The layout, size, materials, and structural requirements all flow from how you’ll actually live on the deck. We start every project with an on-site consultation to understand both the space and the vision.

Most composite deck projects range from $25,000 to $75,000+ depending on size, materials, railing systems, and features. Boston’s urban conditions — elevated builds, multi-family attachment points, rooftop applications, and city permitting — can add structural complexity that suburban projects don’t have. We provide a detailed written estimate after on-site consultation.

Trex and TimberTech/Azek. Both are premium composites that won’t rot, warp, or splinter. We help you choose based on color, texture, budget, and use. As a certified installer for both brands, we activate full manufacturer warranties that come with proper certified installation.

In many cases, yes — but it depends on the building’s structural capacity, zoning, and the existing roof system. Rooftop decks require structural engineering review, proper waterproofing of the membrane below, railing systems that meet code, and city permitting through ISD. We assess feasibility before committing to a design so you know what’s realistic for your building

Yes. Boston’s Inspectional Services Department (ISD) requires building permits for new decks and most major replacements. The permitting process in Boston is more involved than suburban towns — structural plans, zoning review, and staged inspections. We handle all of it so you’re not navigating city hall on your own.

Yes — and that’s the norm here. Narrow side yards, compact rear spaces, shared driveways, and property lines inches from the neighbor’s building are standard Boston conditions. We design around the constraints with creative layouts, multi-level designs, and built-in features that maximize every square foot without violating setback requirements.

Pressure-treated is cheaper upfront but needs annual staining, sealing, and maintenance. It warps, splinters, and degrades in New England weather — and on a Boston deck where neighbors are close by, a deteriorating deck is hard to ignore. Composite costs more initially but requires zero maintenance, won’t rot, and holds its appearance for decades.

Yes. If your existing deck is failing — rotted framing, wobbly railings, soft spots — we tear it down, inspect the ledger connection and building attachment, and rebuild to current code. Many older Boston decks were built with substandard framing or before current ledger flashing requirements, especially on multi-family buildings where the original deck was an afterthought.

We provide complete roofing services (roof replacement and roof repair), metal roofing, siding, windows, and decks in Boston, MA.