SEATTLE-ADU

Why Seattle ADU is the smart choice Seattle ADU is a licensed, insured design-build team that does one thing exceptionally well: Accessory Dwelling Units. Because ADUs are our sole focus, we know every nuance of Seattle-area zoning, permitting, and construction—so your project moves faster and costs less. What sets us apart End-to-end, turn-key service – Feasibility study, architecture, engineering, permits, build, and final inspection—all handled in-house with a dedicated project manager, so you have a single point of contact from day one. Up-front, fixed pricing & timeline guarantee – No surprise change orders. If we miss the deadline, we pay the penalty, not you. Financing solutions for every homeowner – From HELOC guidance to partner programs that cover 100 % of construction costs and let rental income pay the loan, we make ADUs possible even when cash is tight. Designs that maximize ROI – We optimize layout, energy efficiency, and rental appeal to boost property value and deliver strong cash flow the day you receive the keys. Local craftsmanship & warranties – Licensed tradespeople, premium materials, and a written warranty that’s actually honored—because our reputation is everything. Whether you want extra rental income, multigenerational living space, or a backyard home office, Seattle ADU delivers a stress-free, profitable build—on time and on budget.