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Create more living space with accessory dwelling units (ADUs) in Seattle, offering custom design, smart layouts, and lasting value for your property.
Call us at (206)-427-9025Schedule a free consultation Expand your living area with a custom Accessory Dwelling Unit (ADU)—whether it’s a stylish backyard cottage in Seattle, an attached suite, or a basement ADU conversion. Our experienced ADU builders and contractors in Seattle handle every step, from feasibility and design to permits and construction. Create a private rental unit, guest house, or home office with smart layouts and durable finishes that add comfort and long-term property value.
Adding an Accessory Dwelling Unit (ADU)—whether a backyard cottage, basement ADU conversion, or attached apartment—offers lasting value and flexibility for Seattle homeowners. An ADU can create a private space for family or guests, provide steady rental income, and increase overall property value.
With thoughtful design and quality construction from trusted Seattle ADU builders and contractors, an ADU also supports multigenerational living and makes the best use of existing space. Whether you’re transforming an unfinished basement or building a detached unit, an ADU is a smart investment that enhances comfort, functionality, and long-term equity.
OF EXPERIENCE IN THE INDUSTRY
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SATISFIED customers
"Scott and his team built me a beautiful custom desk and fence this fall. They also put in new vinyl flooring for me. They are personable and trustworthy. Scott is a great communicator and I am looking forward to using his services for future projects."
"Scott did an excellent job turning two bedrooms into one beautiful bedroom. Great attention to detail."
"Scott built a 400 square-foot addition onto my house in west Seattle and he did everything and it came out beautiful!"
"Awesome guys, reasonable price."
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An Accessory Dwelling Unit (ADU) is a self-contained living space on the same property as a single-family home. It can be a detached backyard cottage, an attached apartment, or a basement ADU with its own entrance, kitchen, and bath.
Yes. A building permit and compliance with Seattle ADU regulations and zoning codes are required. Professional ADU contractors Seattle can guide you through the permitting and design process.
Timelines vary. A basement ADU conversion may take 3–6 months, while a new backyard cottage Seattle project can take 6–12 months depending on design complexity and permitting.
Yes. Seattle allows homeowners to rent out their ADU or backyard cottage, creating long-term rental income or short-term guest accommodations, provided you follow city rental requirements.
Absolutely. A basement ADU conversion is one of the most cost-effective ways to create a private living space while maximizing existing square footage.
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