ADU DESIGN AND CONSTRUCTION IN PORTLAND, OR
Convert an unused basement or extra yard into living space
EcoCraft is an experienced and specialized ADU builder in Portland, Oregon, providing custom ADU design and construction under one integrated team. From initial property evaluation and design through planning, permitting, construction, and final completion, we coordinate every stage of the project.
EcoCraft LLC brings 20+ years of building industry experience through founder Eddie Hooker and has been delivering custom residential projects since 2012. Our design-build approach combines thoughtful planning, quality craftsmanship, and personalized design to create ADUs tailored to each homeowner, property, and long-term goal.
EcoCraft was also recognized by Portland Architects in their article, Best ADU Builders in Vancouver, WA (2024), highlighting the company’s ADU design and construction expertise in the greater Portland-Vancouver region.
WHAT ARE ADUs?
Tiny houses, granny flats, carriage houses, & in-law apartments
ADUs are separate living units built on a property that already contains a single-family home. There are attached ADUs, or additions to the primary residence, and detached ADUs, or units that aren’t attached to the main house. An ADU can be a separate building, a basement addition, or even an apartment over a garage.
ADUs add extra living space
Whether you need a home office with added privacy, extra space for the kids to play, a secluded sanctuary for art or entertainment or a state-of-the-art fitness area, the EcoCraft team can help design the perfect ADU for your needs.
ADUs add value
ADUs are extremely valuable when it’s time to sell your home. Some studies show that ADUs can increase property values and make homes more desirable to potential buyers, especially those interested in aging-in-place.
ADUs can generate income
ADUs can be an excellent source of short- or long-term rental income as they create sustainable, in-fill housing, especially in areas that are experiencing a severe shortage. Plus, ADUs enhance walkability and accessibility.
ADUs PROVIDE SPACE FOR A GROWING FAMILY
Separate and self-contained housing for adult children or aging parents
ADUs provide close proximity for those you love while also offering space and privacy. Whether you have a parent, grandparents or other loved ones with whom you need to share your property, we can help create an ADU that will keep everyone happy and comfortable.

Why Portland Homeowners Choose EcoCraft?
Building a successful ADU requires thoughtful design, property evaluation, permitting coordination, construction experience, and careful project management. EcoCraft brings these elements together through an integrated design-build approach.
- 20+ years of building industry experience
- Serving Portland-area homeowners since 2012
- Founder-led expertise from Eddie Hooker
- Custom ADU designs tailored to each property
- Integrated design-build services
- Planning and permitting coordination
- Transparent cost-plus contracts
- High-quality craftsmanship and premium materials
- Energy-conscious and sustainable design considerations
- One experienced team from initial planning through final construction
EcoCraft was also recognized by Portland Architects in Best ADU Builders in Vancouver, WA (2024), providing additional third-party recognition of our ADU design and construction expertise in the Portland-Vancouver region.
ADU Builders Serving Portland & Surrounding Communities
EcoCraft provides ADU design and construction throughout Portland, Oregon and the surrounding metro area. From established city neighborhoods to larger suburban properties, every site presents different opportunities for creating functional additional living space. We serve homeowners throughout North Portland, Northwest Portland, Southeast Portland, Southwest Portland, and other Portland neighborhoods.
EcoCraft also provides ADU construction services in Beaverton, Lake Oswego, Tigard, Milwaukie, Gresham, Vancouver, WA, and surrounding communities, creating custom ADUs designed around each property and homeowner’s long-term goals.
Frequently Asked Questions
Portland requires ADUs to comply with specific setback rules, height restrictions, and design compatibility with the primary residence. The permitting process usually takes 6–12 weeks depending on the project scope. Our team helps streamline this process by preparing and submitting all necessary documents.
Contact us today for a free consultation about your Portland ADU project. We’ll help you navigate setback requirements, design compatibility guidelines, and streamline the permitting process to get your ADU built efficiently and to code.
Building an ADU in Portland requires consideration of local zoning, building requirements, utilities, and site conditions. Factors may include lot configuration, existing structures, available building area, setbacks, structure height, utility locations, trees, property slope, construction access, and the type of ADU being built. Because requirements can vary by property and change over time, EcoCraft evaluates each project individually and coordinates planning around the applicable requirements.
An ADU is an independent living space that can include its own kitchen, bathroom, entrance, bedroom, and living area. A home addition expands the primary residence and may create a larger kitchen, bedroom, primary suite, family room, or home office. EcoCraft can help determine whether an ADU, home addition, or conversion better fits your property and goals.
EcoCraft designs and builds several types of custom ADUs in Portland, including detached backyard ADUs, attached ADUs, garage conversion ADUs, basement ADUs, and custom or luxury ADUs. The right option depends on your property, available space, existing structures, utilities, and how you plan to use the finished unit.
ADU projects in Portland typically range from $150,000 to $350,000. A garage or basement conversion might cost less due to existing infrastructure, while attached/detached ADUs may involve higher site preparation costs. We also guide clients through potential cost-saving opportunities and value engineering. High-efficiency ADUs are a great opportunity to modernize living spaces.
Want to discuss your specific project budget? Contact our team for a personalized consultation. We can evaluate your property, discuss your vision, and provide a detailed estimate tailored to your needs. We’ll help you understand all potential costs and identify opportunities to maximize your investment.
Yes, ADUs typically increase your home’s value by more than the construction costs, providing immediate return on investment. They also generate ongoing revenue through rental income that appreciates over time in Portland’s strong housing market. ADUs also offer versatility for multi-generational living, short-term rentals, or downsizing while staying on your property.
Curious about your ADU investment potential? Contact us for a personalized analysis or call 503-577-2503 to discuss how an ADU could benefit your specific situation.”
Absolutely! Every property is unique and requires careful evaluation to determine ADU feasibility. Our team provides complimentary property assessments, during which we examine zoning requirements, lot dimensions, utility access, and other critical factors that affect your ADU project.
Schedule your free consultation today and our ADU experts will help you understand all your options—whether you’re considering a garage conversion, basement transformation, or new detached structure. We’ll evaluate your specific site conditions and help you make an informed decision about the ADU that best fits your property and goals.
The timeline varies depending on the type and complexity of the ADU, design requirements, engineering, permitting, site conditions, material availability, and construction scope. EcoCraft coordinates design, planning, permitting, and construction through one team to keep each stage of the project aligned.
