Trusted general contractors matched to your addition project
Washington Home Contractors connects homeowners in Marysville, Everett, Lynnwood, Bothell, Kenmore, Woodinville, Kirkland, Redmond, Bellevue with experienced general contractors who specialize in home additions, ADUs, second stories and primary suite expansions. We're a matching service — additions are designed and built by independent licensed contractors in our vetted network.
Benefits
We're a matching service that connects you with trusted licensed contractors — so you skip the searching and start your project sooner.
Our matched contractors handle additions full-time — they aren't learning on your home.
Pros guide you through plans, structural engineering, energy code and city permits.
Every contractor is licensed, bonded and insured in Washington.
Detached and attached ADUs handled across King and Snohomish County.
Match into an existing home's roofline, foundation and finishes — seamlessly.
Our pros give honest schedules based on real permitting timelines in your city.
Free, fast and no obligation. We're a matching service — independent licensed contractors do the work.
Why Homeowners Choose Us
Additions are some of the most complex residential projects — wrong contractor means months of delays and surprise costs.
We've spent years vetting GCs for design-build capability, scheduling discipline and permit savvy.
Every match accounts for your city's specific permitting climate.
Common Projects
From quick refreshes to full builds — here's the kind of home additions work we connect homeowners with every week.
Free, fast and no obligation. We're a matching service — independent licensed contractors do the work.
Project Gallery
A look at the kind of work our matched contractors deliver across western Washington. Real project photos coming soon.
Service Area Coverage
We connect homeowners with home additions contractors throughout western Washington — including:
Call (425) 760-2144FAQ
Additions in Marysville, Everett, Lynnwood, Bothell, Kenmore, Woodinville, Kirkland, Redmond, Bellevue typically run $250–$500+ per square foot, depending on finishes, foundation type and complexity. We match you with pros who quote each project individually.
Many of our matched GCs are design-build firms with in-house design. Others work with outside architects — we match based on your starting point.
From permit submittal to move-in, most additions run 6–12 months. Your matched contractor will give a city-specific timeline.
No. Washington Home Contractors is a referral service. All construction is performed by independent licensed contractors.
Our addition network covers Marysville, Everett, Lynnwood, Bothell, Kenmore, Woodinville, Kirkland, Redmond, Bellevue and surrounding communities.
Tell us about your project and get matched with trusted local contractors — free, fast and with no obligation.
Call (425) 760-2144