THE 2026 BEST ADU BUILDER | PORTLAND, OR WINNER
Your Dream ADU.
Built to Last for Generations.
+20 Years ADU Build Experience
2025 Best ADU Design Award Winner
5.0 Star Google Review Rating
Custom Built ADUs
Starting at $899 / month
GET A QUOTE - SEE YOUR PRICING
ABOUT OUR COMPANY
Trusted by Portland Homeowners With Over 20 Years of ADU Building Excellence
At Stellar Construction, our work in Portland is driven by passion, craftsmanship, and a deep connection to the community we call home. We specialize in ADUs and full-home remodels, supported by local teams of electricians, plumbers, tile installers, painters, and roofers who take pride in their craft. Our designers and architects add a personal touch to every project, creating living spaces tailored to each client’s unique vision. To us, it’s more than construction—it’s the art of bringing dreams to life.
OUR PROCESS
A Seamless Approach to ADU Building
At Stellar Construction, we simplify the ADU process for Portland homeowners. From planning and permits to finishes and final approval, our team ensures a smooth experience with clear communication every step of the way.
WHY WORK WITH US
Trusted Portland Builders Who Put You First
We understand that building an ADU is an important investment. That’s why Stellar Construction provides honest pricing, expert guidance, and top-quality workmanship tailored to Portland’s building requirements and architectural style.
INDUSTRY ACCREDITATIONS
Your Trusted Partner For The
Perfect ADU Builder
Your Trusted Partner
For The Perfect
ADU Builder
Your Trusted Partner For The
Perfect Home Addition Project
Your Trusted Partner For The
Perfect Home Addition Project
Your Neighbors Voted Us The
"Best ADU Builder in Portland"
Your Neighbors Voted Us The "Best ADU Builder in Portland"
CLIENT TESTIMONIALS
OUR WORK
Recently Completed Projects in Portland
Why people like to do business with us
Learn how we are transforming the manufacturing sector with advanced robotics to increase efficiency and precision.
Single Point Of Contact For The Customer
Experienced project managers at Stellar Construction will take care of your remodel from start to finish. You will receive regular progress updates and timely answers to all your questions regarding any aspect of the project, from design to construction.
Controlled Cost-Estimation, No Under-Budgeting
We boast an award-winning Portland design-build team, so you can be sure we will account for all project expenses and troubleshoot any issues quickly and efficiently. Rest assured there will be no hidden costs, as we will provide you with a detailed payment plan including all the individual services before any work begins on your home.
Timely Completion Of Each Project Phase
Our seasoned designers value your time as much as they value your needs and ideas. Because we determine a timeframe at the beginning of each project, our designers are generally able to shorten the timeframe necessary for the project to reach the permit stage.
What is the Stellar Construction
Difference?
What is the
Stellar Construction Difference?
| Feature | Competitors | Stellar Construction |
|---|---|---|
| Dedicated Design + Build Team Under One Roof | ❌ | ✅ |
| Your ADU Completed On Time | ❌ | ✅ |
| Custom Designs Tailored to Your Home’s Style | ❌ | ✅ |
| Transparent Pricing with No Surprises | ❌ | ✅ |
| Seamless Permitting & Project Management | ❌ | ✅ |
Start designing your dream ADU!
ENTER PROJECT DETAILS AND RECEIVE A QUOTE IN MINUTES
