Thinking about building an ADU in Seattle? Call (425) 582-1983 to explore your options with an experienced ADU builder.
Craft & Forge Homes designs and builds high-quality accessory dwelling units (ADUs) for homeowners across Seattle, Washington. From backyard cottages to garage conversions and basement ADUs, we deliver thoughtfully designed spaces that add flexibility, income potential, and long-term value to your property.
Accessory dwelling units have become one of the most valuable and flexible home investments in Seattle. With evolving zoning regulations and strong housing demand, ADUs offer practical solutions for modern living.
Homeowners often choose to build an ADU in Seattle for the following reasons:
ADUs provide a consistent income stream through long-term or short-term rentals, helping offset mortgage costs or increase property cash flow.
An ADU offers a private, comfortable living space for aging parents, adult children, or extended family—while keeping everyone close.
A well-designed ADU can significantly increase resale value and make your property more appealing in Seattle’s competitive housing market.
If you’re considering an ADU, our team helps you evaluate feasibility, navigate regulations, and design a space that aligns with your goals.
Building an ADU in Seattle requires careful planning, regulatory expertise, and skilled execution. Our team manages the entire process—from concept to completion.
We design and build standalone backyard cottages that provide complete privacy, modern comfort, and efficient use of space.
Transform an existing garage into a fully functional living unit while maintaining structural integrity and maximizing usable square footage.
Convert basements or interior spaces into legal ADUs with proper ceiling heights, egress, sound separation, and energy efficiency.
Seattle’s ADU regulations can be complex. We handle zoning analysis, permits, inspections, and compliance to ensure a smooth approval process.
Our team coordinates utilities, drainage, electrical, and mechanical systems to meet city requirements and long-term performance standards.
We provide detailed 3D renderings and construction plans so you can visualize your ADU, evaluate layouts, and make informed decisions before building begins.
Hear from Patrick on how we built his perfect Patio.
Craft & Forge Homes is trusted by Seattle homeowners for delivering ADUs that are both beautifully designed and built to last.
We are licensed, insured, and deeply committed to building ADUs that serve our clients—and Seattle’s neighborhoods—for decades to come.
An ADU is more than an addition—it’s a long-term investment in flexibility, income potential, and future living options. Craft & Forge Homes designs and builds ADUs that align with your property, your goals, and Seattle’s regulatory environment.
Call Craft & Forge Homes at (425) 582-1983 to schedule your ADU consultation in Seattle, WA.
With home construction in the Seattle area, pricing can be confusing.
We have a solution. Our cost guide gives you exact details for how much your project could cost based on industry standards.
What’s included in this cost guide:
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We don’t just build homes, we build futures. Hear from our past clients on how Craft & Forge helped bring their dream home into reality.
Here are answers to the most common questions we receive from homeowners considering ADU construction projects.
Yes, ADUs require building permits and must comply with local zoning regulations, setback requirements, and building codes.
Most jurisdictions allow ADU rentals, though some areas have restrictions on short-term rentals or require owner occupancy of the main residence.
Most ADU projects take four to eight months from design to completion, depending on size, complexity, and permit processing times.
Absolutely. Whether you bring your own plans or want help from the ground up, we offer full-service design to match your goals.
