UDA ADU
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About
UDA ADU is a full service ADU design and build company serving California homeowners. We handle everything in house, including feasibility analysis, custom architectural design, permits, engineering, and full construction. Our team combines decades of construction experience with a deep understanding of California ADU laws and local city requirements.
We do not just build backyard units. We design income producing, value driven living spaces that increase property equity and create long term financial returns. From concept to final inspection, you work with one accountable team focused on quality, transparency, and results.
If you want an ADU done right the first time, with clear numbers, solid planning, and professional execution, UDA ADU is built for you.
Overview
Serves Los Altos, CA
Background checked
3 employees
1 year in business
Business hours
SunClosedMon8:00 am - 6:00 pm
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Reviews
Customers rated this pro highly for work quality, punctuality, and professionalism.
5.0
2 reviews
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Carla s.
4 weeks ago
Marty A.
Feb 23, 2026
We interviewed a few ADU companies before choosing UDA ADU, and we are glad we went with them. From the first meeting, they felt organized and straightforward. They broke down the numbers, explained what was realistic for our lot, and did not overpromise.
The permit process was something we were honestly worried about. Our city is strict, and we had heard horror stories. UDA handled it. They kept us updated, told us when there were delays, and explained why. We always knew what was happening.
During construction, the crew was respectful and consistent. They showed up when they said they would. The site stayed clean. If we had a question, someone responded quickly. There were no surprises with costs, which was important to us.
What stood out most was that they thought beyond the build. They helped us plan the layout in a way that made sense for rental income and long term value. Now the unit is rented, and it has honestly changed our financial situation in a good way.
If you are thinking about building an ADU and want a team that is experienced, realistic, and easy to work with, UDA ADU is a solid choice.
Credentials
Background Check
Mona Poudat