Under Washington’s HB 1337, cities and counties can no longer prohibit a homeowner from selling a DADU as its own condominium unit, separate from the main house — and they can no longer require you to live in either unit as a condition of doing so.
If your plan is to build a DADU and sell it — not rent it out — your financing needs to be built around a sale, not years of rental income.
Thinking about building an ADU? Here's whether it actually pays off — and every financing option available to make it happen, from HELOCs to ADU-specific construction loans.
That garage sitting half-empty could be your fastest path to extra living space. Here's exactly how a garage-to-ADU conversion works, step by step — plans, timelines, and what it really costs.
Wondering what an ADU actually costs to build? We break down every phase — design, permits, construction, and finishes — so you can budget with real numbers instead of guesswork.
The math behind ADU return on investment, and the single error almost every online calculator makes.
The permit-time story is real. The 2026 timing problem almost no one mentions is bigger.
As demand rises, understanding DADU vs ADU becomes key for making the right investment decision.