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DADU Setback Requirements: Side Yard, Rear Yard, and Street-Facing Rules
What Are Setbacks and Why Do They Matter? Setbacks are the minimum distances your DADU must maintain from property lines, streets, and other structures. In King County, setback rules ensure…
APEX-DADU PublishingMar 22 No comments -
Understanding DADU Zoning Rules in Unincorporated King County
Zoning Basics: Where Can You Build a DADU? In unincorporated King County, zoning determines what you can build on your property — and DADUs are no exception. Thanks to Washington…
APEX-DADU PublishingMar 20 No comments -
DADU Sewer vs. Septic: What King County Homeowners Need to Know
Sewer or Septic: Why It Matters for Your DADU One of the first questions any King County DADU project must answer is whether your property connects to public sewer or…
APEX-DADU PublishingMar 20 No comments -
Navigating the King County DADU Permit Application Process
Before You Apply: Pre-Application Research The single biggest mistake DADU applicants make is submitting before they’ve done their homework. A few hours of pre-application research can save you months of…
APEX-DADU PublishingMar 19 No comments -
King County DADU Setback and Size Requirements Explained
Why Setbacks and Size Limits Matter Before you design a DADU — or even dream about one — you need to understand the physical constraints your property imposes. Setback requirements,…
APEX-DADU PublishingFeb 27 No comments -
King County DADU Permit Requirements: Everything You Need to Know
Do You Need a Permit for a DADU in King County? Yes — every DADU in King County requires a building permit, regardless of size. There are no exceptions. Unpermitted…
APEX-DADU PublishingFeb 16 No comments -
The Complete Guide to Building a DADU in King County, Washington
What Is a DADU? A DADU — detached accessory dwelling unit — is a self-contained living space built as a separate structure on the same lot as your primary home.…
APEX-DADU PublishingFeb 5 No comments






