TRIANGLE
BAR
GROUP
DESIGN + BUILD
We are a local Portland Design-Build company
We love designing and building ADUs. They are more than just exciting projects for us — they’re an opportunity to create spaces that add real value to our clients’ lives. Whether it’s adding a cozy backyard retreat, a functional home office, or a comfortable space for extra family members, we’re passionate about finding the best solutions that balance function, style, and long-term value. Every ADU we build is a reflection of our commitment to quality, creativity, and a deep understanding of what our clients need to make their vision a reality.
We understand that embarking on an ADU project can feel overwhelming, especially with so many options, decisions, and different Portland ADU builders to choose from. That’s where we come in. Our design-build expertise ensures that your project stays on track, both financially and on schedule, without sacrificing your over all vision. We work closely with you every step of the way — from the initial concept and design, to construction and finishing touches. We design it, permit it, and then build it. Our streamlined process eliminates the headaches of managing multiple contractors, inspectors, and designers, giving you peace of mind that your investment is in expert hands.
Connect with us to see how we can bring your vision to life. Whether you’re just starting to explore the idea of an ADU or you’re ready to break ground, we’d love to see if we're the right fit for your journey.
Above are some of the ADUs we've designed and built for past clients.
Connect with us
One Team. One Process.
Your Project, Made Easy.
We're with you every step of the way throughout the ADU process. From initial design and engineering to permitting and full construction. What sets us apart is that we don’t just design the project; we build it too. As a true design-build firm, we're hands-on from start to finish. We're drawing the plans, swinging the hammers, and managing every detail. Thanks to our versatile skill set, we can take on as much or as little of the project as you'd like. Most of our clients appreciate having a single point of contact to streamline the entire process and trust us to manage the whole journey from concept to completion.
CLIENT REVIEWS
"
Working with Triangle Bar Group was a wonderful experience. I am truly thankful I called for their services. They are not only professional at what they do but also reliable and dependable. I’ve had my master bathroom remodeled and they offered me a very reasonable quote, and the end result exceeded my expectations. Highly recommended.
- Hannah F.
"
After looking at many Portland ADU Builders we decided on Triangle Bar Group. They designed and built our new ADU and did an amazing job. The quality was beyond what we expected. Allen and Angie were great to work with, and very professional. There were several trades involved in the overall construction and work was very well coordinated and kept the work flowing. Allen was able to work with us on our budget by providing us with great options. We would definitely use them on our next project
- Zachary M.
"
Angie came up with a wonderful design for my bathrooms. Always willing to answer my questions or make a recommendation even after the work was completed. Would definitely use Triangle Bar Group for any home design or improvements.
- Sophia J.
Resources to see if an ADU is right for you
Message Us with the form below
To schedule a design consultation.
Email Us Directly
contact@TriangleBarGroup.com
Office Location
Portland, Or 97227
Open Hours
M-F: 8am - 5pm, S-S, 9am - 1pm
TriangleBarGroup@gmail.com
License Info
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