New Construction
Ground-up residential builds managed end-to-end — foundations, framing, envelope, and finish work held to Pacific Northwest standards.
Seattle · General Contractor
Built for the
Pacific Northwest.
SeaBay Building Group delivers ground-up construction, remodels, and commercial build-outs across Seattle and the Puget Sound — on schedule, on budget, and built to last through every season.
- Licensed · Bonded · Insured
- 5.0 rating on Google
- Open 24 hours
5.0
Google rating
24/7
Availability
Seattle
Based & operated
GC
Full-service contractor
What We Do
Construction services,
start to finish.
One team accountable for the whole build — from permits and site work to the final walkthrough.
Remodels & Renovations
Kitchens, bathrooms, and whole-home transformations that respect your budget, your timeline, and the home you already love.
Additions & ADUs
Second stories, backyard cottages, and DADUs that add space and value — navigated smoothly through Seattle permitting.
Commercial & Tenant Improvements
Storefronts, offices, and light commercial build-outs delivered with minimal disruption to your business.
Design-Build
Design and construction under one roof — a single contract, faster decisions, and no gaps between the drawings and the field.
Project Management
Scheduling, subcontractor coordination, and quality control handled by one accountable point of contact — us.
Featured Work
Recent projects.
A sample of the work we take pride in across the Puget Sound region.
Placeholder imagery shown — swap in your project photography before launch.
How We Work
A process you can plan around.
No surprises. You'll know what's happening, what's next, and what it costs — at every stage.
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Consult
We walk the site, listen to your goals, and give you a straight assessment of scope, feasibility, and budget range.
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Plan & Price
Detailed scope, transparent line-item pricing, and a realistic schedule — locked in before a single nail is driven.
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Build
Our crews and trusted subs execute to plan, with weekly updates and one point of contact from start to finish.
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Deliver
A thorough final walkthrough, a clean site, and a build we stand behind after the keys are back in your hand.
About SeaBay
A Seattle builder,
through and through.
SeaBay Building Group is a full-service general contractor headquartered in Seattle's industrial district. We build for the way people actually live and work in the Northwest — wet winters, tight urban lots, and neighborhoods worth preserving.
Every project gets a dedicated project manager, transparent pricing, and craftsmanship we're willing to put our name on.
- Licensed, bonded & insured in Washington State
- Serving Seattle, Bellevue, Tacoma & the greater Puget Sound
- Available around the clock for active clients
Reputation
Rated 5.0 on Google.
Ready to build?
Let's talk about your project.
Get In Touch
Request a free estimate.
Tell us about your project and we'll get back to you within one business day.