Photo credit: Maria Orlova
Types of Portland ADUs
- Detached new builds
- Garage conversions
- Basement conversions
Featured Portland ADU Builds
Here's What The Process Looks Like:
1
Our Design Team Crates a Space to Meet Your Needs
2
Our Build Team Brings That Design to Life
3
You Enjoy Your New Space
Have Questions About ADUs?
If you have questions about building an ADU, reach out to our design team to learn more. We’ll provide answers to some of the most frequently asked questions:
- What permits are required?
- How long does construction take?
- How much will my ADU cost?
The Lamont Bros. Difference
1
Project Per Superintendent
Your superintendent has one focus – your project is their priority.
2
Days Average Schedule Variance
We finish jobs within 2 days of the projected completion date. Seriously.
5%
Start-to-Finish Cost Variance
We pride ourselves on providing accurate budgets without surprises, routinely completing projects within 5% of budget.
Over 400 Positive Reviews

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