Best ADU Builders in Portland (2024)

Our annual ranking of top construction firms highlights the top companies in Portland based on their project volume over the past year, with a focus on relevance. This compilation is derived from permit and contractor information sourced from city, county, and state building departments through our partners at BuildZoom. For further information regarding data accuracy, please consult the note at the end of this article.

Construction data plays a crucial role for various professionals in the industry, offering valuable insights and helping businesses make more informed decisions. For companies that supply materials and services to general contractors, analyzing construction market trends and key milestones in construction projects can help them time their outreach effectively. By tracking important events, like the start of major projects, they can approach contractors when they are most likely to need new resources, ensuring their offers are timely and relevant. Additionally, understanding contractors’ growth patterns allows material suppliers and service providers to identify and target contractors who are expanding their operations. Subcontractors can also use contractor data to reach out to general contractors for potential project opportunities. For real estate developers, property owners, and other clients in need of contractors, detailed construction data helps them assess the expertise and quality of potential contractors and subcontractors before hiring them for a project. This ensures that they make well-informed decisions when selecting the right professionals for their needs.

TaylorSmith Sustainable Construction LLC

Address:
6324 NE Davis St, Portland, OR 97213

TaylorSmith Sustainable Construction is a pioneering contractor specializing in the design and construction of environmentally conscious homes, renovations, expansions, and energy retrofits. Founded in 2016 by Taylor Thompson, Kevin Smith, and Lauren Shumaker, the company is driven by a passion for integrating sustainable building practices and reducing environmental impact. TaylorSmith has established itself as a leader in the Pacific Northwest, delivering high-performing, energy-efficient homes through thoughtful material selection, innovative design, and collaboration with local vendors. The company focuses on providing clients with beautiful, healthy, and functional homes that incorporate cutting-edge technologies and sustainable systems, such as Passive House standards and Net Zero Energy readiness. With a commitment to community, TaylorSmith operates under the Triple Bottom Line philosophy, balancing social responsibility, environmental stewardship, and financial accessibility. Taylor, Kevin, and Lauren’s expertise in civil engineering, construction management, and sustainable development, paired with their hands-on experience in the industry, ensures each project is executed with precision and care. As a Certified B Corp, TaylorSmith meets the rigorous standards for social and environmental performance, accountability, and transparency, making it one of the most reputable green builders in the region. Whether building a new home, an accessory dwelling unit, or an energy retrofit, TaylorSmith’s team consistently delivers exceptional craftsmanship and long-lasting, sustainable solutions tailored to each client’s needs.

Data from the Portland Bureau of Development Services was also reviewed by The Home Builder Digest team to identify past projects by TaylorSmith Sustainable Construction LLC. In 2023, the company completed a new ADU featuring a kitchen and bathroom. Additionally, TaylorSmith Sustainable Construction LLC worked on a two-story ADU addition project in 2019.

Shelbyville Remodeling

Address:
2502 SE Belmont St, Portland, OR 97214

Shelbyville Remodeling, LLC was founded by David Lipkind, who began refurbishing properties in N.E. Portland in 1999, specializing in older homes. After gaining experience and a strong reputation, David partnered with Justin Power, and together they formed a small, skilled team focused on problem-solving and delivering high-quality remodels. The company continues to thrive, working with clients to transform spaces, particularly kitchens, while maintaining a passion for preserving the charm of older homes.

The Home Builder Digest team reviewed data from the Portland Bureau of Development Services to identify past projects completed by Shelbyville Remodeling. In 2020, the company worked on a two-story accessory dwelling unit, and in 2019, they completed a one-story accessory dwelling unit project.

Revin Construction Inc

Address:
PO BOX 822842, Vancouver, WA 98682

Revin Construction Inc is a licensed contractor in Washington, holding multiple licenses, including a Construction Contractor license. The company specializes in a range of services, including kitchen, bathroom, and basement remodels, whole home renovations, and additions.

Using data from the Portland Bureau of Development Services, the Home Builder Digest team identified past projects by Revin Construction Inc. In 2023, the company completed a $500,000 project, which included a newly constructed home with an attached ADU. The following year, in 2022, Revin Construction Inc worked on a $275,000 project, a two-story single-family home with an attached ADU.

BUILDWORKS Group Inc

Address:
1003 Marylhurst Dr, West Linn, OR 97068

BUILDWORKS Group Inc is a dynamic team of professionals with diverse backgrounds, combining expertise in residential construction, project management, and entrepreneurship to handle virtually any project. With over 22 years of experience in the construction industry, founder Tony Notdurft has built a reputation for quality craftsmanship, focusing on environmentally responsible building practices. His team is complemented by Nancy Dunbar Notdurft, who brings 18 years of experience in brand and project management, ensuring a strong customer focus and meticulous attention to detail. Jason Chambers, with his 25 years of small business experience, contributes an entrepreneurial spirit and a customer-first mentality that shapes the company’s vision. BUILDWORKS Group Inc offers a range of services, from remodeling and additions to full construction management, with an emphasis on collaboration between clients, architects, and tradespeople. Their unique approach ensures projects are completed on time, within budget, and to the highest standards. Licensed, bonded, and insured in Oregon, BUILDWORKS Group Inc is dedicated to staying ahead of construction trends while offering personalized service tailored to each client’s needs. Whether working with their own design professionals or partnering with a client’s existing consultants, BUILDWORKS Group Inc brings vision and precision to every project.

Data from the Portland Bureau of Development Services was reviewed by the Home Builder Digest team to identify past projects by BUILDWORKS Group Inc. In 2015, the company completed a $257,873 project involving a new townhouse with an ADU. That same year, BUILDWORKS Group Inc also worked on another new townhouse with an ADU, valued at $244,798.

Landry Development LLC

Address:
8885 SW Hillview Terrace, Portland, OR 97225

Landry Development LLC offers a wide range of services, including kitchen, bathroom, and basement remodels, whole home remodels, and additions.

The Home Builder Digest team reviewed data from the Portland Bureau of Development Services to identify past projects completed by Landry Development LLC. In 2018, Landry Development LLC worked on a second-story addition and attached ADU for a single-family residence. Additionally, in 2019, the company completed a 1-story detached ADU project, which did not include a garage.

JDL Development Inc

Address:
3347 N Lombard St, Portland, OR 97217

Founded in 1976 by brothers Joe and Dave Lyons, JDL Development Inc. has been led by Jeff Johnson since 2016. The company is renowned for its commitment to quality, integrity, and collaboration, offering a wide range of construction services. With a dedicated team of experienced professionals, JDL Development continues to build homes that reflect timeless craftsmanship, as showcased in multiple prestigious publications.

Data from the Portland Bureau of Development Services was also reviewed by the Home Builder Digest team to find past projects from JDL Development Inc. In 2024, the company completed a $35,000 (estimated) project that involved converting a 795 sqft detached ADU into a 624 sqft detached garage. Additionally, in 2024, JDL Development Inc worked on a project to convert a 4-plex into a single-family residence with an attached ADU.

Note: The data used to compile this list may not be complete based on the availability of permit data – collecting and consolidating this data is a time-intensive and difficult task. It may not be complete in all areas due to jurisdictional reporting requirements and the availability of data. Job values and permit fees should be taken as estimates rather than exact values, based on the most complete permit and contractor data available. Additionally, number of projects and typical job size may be updated per contractor request.

The time period for the data used for this ranking was the past 365 days, plus an additional 45 days to account for the average timeline of a building permit. If you have any suggestions on the data or see any corrections that you’d like to give feedback on, please fill out this form. For more insights on construction data outside that are not directly related to contractors, there are other resources available as well.