5 Best Deck Builders in Seattle (2026)

Intercrus Decks LLC is a Seattle deck and outdoor construction company building new decks, rooftop decks, multi-level decks, and covered outdoor living spaces, alongside railings, pergolas, and fencing. It also handles related work like carpentry and general remodeling, giving it a broader scope than a deck-only shop. The company serves Seattle and reaches into Bellevue, Kirkland, and other Eastside communities.

Gibson Fence and Deck is a West Seattle contractor building custom decks, fences, and hardscaping, with experience in both composite and wood construction. It emphasizes a structured consult-design-build process, walking clients through material and design options before construction starts. The company also handles staining, restoration, and repair work on existing decks.

Olympic Decks is a Seattle-area deck building and resurfacing company serving the broader Washington region, handling new deck construction, deck resurfacing, louvered roofs, and fencing. It positions itself around project management and competitive pricing, guiding clients from the first estimate through completion. The company has handled repeat projects for the same customers across multiple homes.

Seattle Deck Supply Inc. is a building materials supplier specializing in decking lumber, including hardwoods like Ipe and Brazilian Tiger Wood, along with deck tiles, railings, and fasteners. It's not a construction company but the materials source homeowners and contractors turn to for hard-to-find decking wood. Reviewers describe knowledgeable, hands-on service from staff who help with both novice and complex material questions.

Decks by Northwest is a Renton-based deck builder serving the greater Seattle area, specializing in multi-level decks and builds on sloping or challenging terrain. It also constructs railings, carports, and pergolas alongside its core deck work. Reviewers describe a design-focused approach that creates distinct entertaining zones within a single deck project.