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call us (206) 612-6657
About
Sell Your Backyard!
FAQs
Who’s Your DADU
Prefab
Pre-Approved Designs
Custom DADU
ADU Construction
DADU Services
DADU Permitting
DADU Design Build
DADU Construction
ADU Construction
Interior Design
Interior Catalog
DADU & ADU Gallery
Blog
Contact
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April 30, 2026
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Apr
7 Mistakes Seattle Homeowners Make When Building a DADU
April 30, 2026
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DADU Blog
7 Mistakes Seattle Homeowners Make When Building a DADU
Why More Seattle Homeowners Are Building Backyard Cottages (DADUs) in 2026
The Cost to Build a DADU Rough Construction
DADU Construction Costs: Foundation & Utility Hookups
The Cost to Build a DADU : Pre-construction
Seattle DADU Costs: Pre-Approved vs. Custom Builds
Cost to Build a DADU in Seattle (2025–2026 Update)
The Difference Between a Tiny House and a DADU
A Plan for Aging in Place
Backyard Cottage Retirement with privacy and comfort
Karen’s New Beginning — with Ballard Backyard Cottages
10 Common Concerns
The History of the Seattle DADU
Windows
West Seattle Backyard Cottages
