Do You Have to Live on the Property to Have an ADU in Washington?

No. Washington bars cities from making ADU owners live on site. The short-term rental exception, old recorded covenants, and what lenders and insurers ask.
What a Free Lot Feasibility Report Tells You Before You Spend a Dollar

A verdict, your city’s rules, what fits, a planning cost range and what still needs a site visit: what’s inside a free four-page ADU lot report.
Using a HELOC to Build an ADU: How Borrowing Against Your Home Works

How a lender sizes a HELOC, what the appraisal checks, how draw and repayment periods work, and how to time draws to an ADU build without surprises.
ADU Rules in Kirkland

Kirkland allows two ADUs of up to 1,200 sq ft in any mix, often with no parking. Height, yards, impact fees, separate ownership and how to apply.
Mid-Size ADU Plans Compared: The Horizon, The Summit and The Ridge G

Three ADU plans just under 1,000 sq ft, each with living space over a garage: bedrooms, baths, outdoor space and which household each one fits.
ADU Pros and Cons: An Honest List From a Builder

Income, family space and flexibility on one side; cost, time, lost yard and landlord work on the other. A builder’s balanced look at ADUs.
How Many ADUs Can You Build on One Lot in Washington?

Washington cities must allow at least two ADUs on most residential lots. The allowed combinations, small-lot and sewer exceptions, and where more fit.
Personal Loan vs. HELOC for a Backyard Cottage: Which Costs Less Over Time?

A HELOC usually wins on large, long-term ADU borrowing; a personal loan can win on small amounts repaid fast. See what decides the total cost.
ADU Rules in Bellevue (Including Factoria)

Bellevue now allows two ADUs per lot, including backyard cottages up to 1,200 sq ft and 24 ft tall. Size, parking, fees, permits and Factoria lot tips.
How to Set the Right Rent for Your Seattle ADU

Comparables, size, private entry, parking, laundry, utilities and timing: a practical way to choose the monthly rent for a Seattle ADU.