Know Before You Build

Don't Spend Thousands Before You Know What's Possible.

  • Can I Build Here
  • What Will it Cost
  • What Surprises should I Expect

The smartest ADU projects don't start with a contractor.

They start with understanding what's possible.

Always Start with Feasibility First.

  • Can I actually build on my property?
  • What does zoning allow for my lot?
  • What will this really cost — and is it worth it?
  • What surprises should I be prepared for?
  • Does this make financial sense for my situation?

    Zoning and Permitting — We've already solved the problems most homeowners don't even know to ask about.

    Before you invest thousands of dollars in architectural plans or meet with contractors, get the answers. We are experts in local zoning and permitting regulations — and our Feasibility Study gives you a clear, honest picture of what's possible on your property before you commit to design or construction.
Digitally generated modern and minimalist family house.The scene was created in Autodesk® 3ds Max 2022 with V-Ray 5 and rendered with photorealistic shaders and lighting in Chaos® Vantage with some post-production added.

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Dozens of Homeowners We've Helped to Make Better Decisions Across Seattle, Bellevue, and Surrounding Area

We've been through this process dozens of times — on lots just like yours, in cities and counties across the greater Seattle and Bellevue area. We know how local jurisdictions interpret zoning codes, what permit reviewers look for, and where projects tend to get delayed or derailed. That experience means fewer surprises for you. We've already solved the problems most homeowners don't even know to ask about — and we bring that knowledge to every project we take on.

Here's How We Help You Build With Confidence

Free Consultation — A no-pressure conversation about your property and goals.

Feasibility Study — Know If it's possible, what the limits are, and what it will cost.

Architectural Plans — Custom designs for your lot, or choose from our pre-approved plan catalog.

Engineering & Permitting — We handle the technical drawings, engineering, and permit submissions.

Contractor Referrals — Trusted, pre-vetted builders who specialize in ADU construction.

What Homeowners in Seattle & Bellevue Have to Say

Great Experience! From Analysis to Design and approved permits. My project is complete and we love how it came out. Will recommend them to friends.
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Paul Tan
Homeowner
I wanted a DADU on my property using a pre-approved plan but didn't know how things would work. DADU Solutions came up with a site analysis and fit study for the DADU. They also helped to submit for permit with the pre-approved plans. The job is completed and I'm very happy with the whole process.
J
Jason Lee
Homeowner