Highland Ridge Remodeling helps Portland homeowners build accessory dwelling units (ADUs), including detached ADUs, garage conversions, and in-law suites. From design to permitting and construction, they deliver tailored, high-quality living spaces.

Highland Ridge Remodeling – ADU Contractor in Oregon City, OR

About Highland Ridge Remodeling

Accessory Dwelling Units Designed for Your Lifestyle

When considering expanding a property, an accessory dwelling unit (ADU) can be a practical way to add living space, increase flexibility, and enhance a home's long-term value. Highland Ridge Remodeling works as a design-build partner for Portland homeowners exploring ADUs, bringing decades of experience in planning, construction, and clear communication to help navigate what can be a complex process.

Highland Ridge Remodeling approaches each project with the understanding that an ADU isn't simply extra square footage — it's an investment in how a homeowner lives. Every design decision has an impact on how the space is experienced day to day, and the goal is to deliver results that feel natural, comfortable, and suited to the homeowner's lifestyle.

What Counts as an ADU in Portland

In Portland, an ADU is defined as a secondary living unit on the same lot as a primary residence. To qualify, it must include independent living facilities such as a kitchen, bathroom, sleeping area, and entrance. There are several forms an ADU can take:

  1. Attached to the existing home
  2. Created within the existing structure
  3. Garage conversion or basement conversion
  4. A new detached ADU built on the property

As an ADU contractor and design-build firm based in Portland, Highland Ridge Remodeling guides homeowners from the initial concept through permitting, construction, and final walk-through. Whether the project involves a granny flat, an in-law suite, or a backyard cottage, the process is managed with attention to detail and consistent communication.

How an ADU Can Work for You

ADUs can serve a wide range of purposes depending on a homeowner's needs. Common uses include:

  1. Housing for aging family members or adult children, offering a balance between independence and proximity
  2. Guest suites for visiting family or friends
  3. Home offices or dedicated workspaces
  4. Rental units that can help offset mortgage and property costs

Because an ADU functions as a complete, self-contained living unit, it can also contribute to the overall value of a property while making efficient use of available land.

Beyond ADU work, Highland Ridge Remodeling has completed a range of projects across Portland and surrounding areas, including full-home remodels, kitchen renovations, bathroom updates, and home additions. Each project is approached with a focus on quality and precision, tailored to the specific needs of the homeowner.

For Portland homeowners thinking about adding an accessory dwelling unit — whether a detached ADU, a garage conversion, or an attached unit — Highland Ridge Remodeling offers the experience and process to bring that project from concept to completion.

Services

Highland Ridge Remodeling performs the following services

  • Architecture & Design
  • Permit Specialist
  • Construction

Highland Ridge Remodeling Reviews

Mary Fitzgibbons

2026-03-06
"We had a great experience working with Highland Ridge. They built a free standing art studio for me. We got everything I wanted. The build was very smooth. Our project manager was great. He listened to everything we said and always figured things out to our liking. I cant recommend them more highly. Definitely consider them for any project you are thinking about."

Jim Kotchik

2025-11-17
"Our experience with Highland Ridge was outstanding.  From an introductory phone call with Ed to our initial meeting with Chris, we established a great rapport and were very comfortable that Highland Ridge is a first class company that checked all the boxes for what we were looking for in remodeling our kitchen and master bath.  Their process from planning, to 3D color design renderings showing what our completed project would look like, to construction software for scheduling and progress reporting, to selecting high quality subcontractors custom cabinetry, tile work including heated floor in master bath, quartz counter tops, appliances, fixtures, etc., to final completion of the project.  The hands on team of Aaron, as lead, Aaryn and Felix was exceptional in managing and executing all work, and the result is stunning.  We are very happy with the proof of performance and pleased to recommend Highland Ridge for custom remodeling needs. Thanks so much, Jim and Kathi."

Stephanie Heinrich

2025-09-19
"Highland Ridge contracted add 600 additional square footage to our main house. They listened to our vision for the space and addressed our requirements. They were able to take a rough drawing and turn it into a great plan. They worked with us to maintain our budget. All in all we love the space and our neighbors have stopped by to admire it. We had very little issues. Framers were a little messy leaving some cans and garbage which the homeowner had to clean up. We transitioned a couple times to different project managers which sometimes resulted in miscommunication or information not transferring. All PM's were great but we realized that we also needed to be reviewing the build often to make sure that our requirements were met as responsibilities changed hands. We would highly recommend Highland Ridge for your remodeling or addon needs. They know how to navigate the county requirements and are very friendly and respond quickly to any issues or questions you might have."

Anna Anderson

2025-08-12
"We really love how our new kitchen turned outits both beautiful and functional, and it has completely changed the way we enjoy the space. The design agreement process was very helpful in setting clear expectations from the start and made the early planning stages much easier. Buildertrend was a great tool to have during the project. It kept everything in one place and made it simple to follow the progress, check the schedule, and stay in touch with the team. There were a few slowdowns along the way, which is to be expected with any large project, but overall things went smoothly. John managed the job well and kept things on track, even when there were a few hiccups. All of the workers were professional, respectful, and easy to have around. We appreciated how thoughtful they were with our home, and the quality of their work really shows. Most of all, were just really happy with how everything turned outnot only the kitchen, but the living room as well. The spaces feel fresh, comfortable, and exactly what we were hoping for. Wed definitely recommend this team to anyone planning a remodel."

Dave Hunt

2023-05-07
"We are absolutely loving our new addition built by Highland Ridge! It turned out even better, and were having more fun living in it now than we even imagined! This was a top quality job! Weve gotten nothing but compliments on it. Thank you all so much! So glad we had Erich as our project manager. Erich did an excellent job and was fun to work with. He took pride in having things done right and went out of his way to make things right. He and the other workers and staff were very responsive, professional, and easy to work with. The PDA process worked well. By the time we got ready for construction, we felt like things were detailed well, and we were comfortable to go ahead and build. Using the Buildertrend platform was a big help from beginning to end. Thank you again for taking such care and interest, and guiding us through this exciting adventure! It was a huge success!"

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Specifics

Opening hours

Monday 7:30AM - 4:00PM
Tuesday 7:30AM - 4:00PM
Wednesday 7:30AM - 4:00PM
Thursday 7:30AM - 4:00PM
Friday 7:30AM - 4:00PM
Saturday -
Sunday -

Location

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