We Build Custom ADUs On Your Property, Start to Finish
Fully personalized. Built on-site. No prefab. No surprises.
✓ Real pricing. No BS.
✓ Licensed & insured
| Us | Others | |
|---|---|---|
| 15+ Years of Specialized Experience | ||
| Transparent, Upfront Pricing | ||
| Fully Custom ADUs, No Templates | ||
| Top Bay Area ADU Company | ||
| Factory-Built Prefabs |
Our latest projects
ADU price calculator
Use this tool to calculate an estimated price for your ADU.
Meet the mastermind behind GSD
Meet the mastermind behind GSD
Gad founded Golden State Designs in 2006; he is a second generation general contractor.
Gad and his team have been delivering great experiences to their customers in the Bay Area since 2014.
Gad Petel
The founder of Golden State Designs
What To Expect
Average build time
Client Satisfaction
Estimated Rental Income
We only take on 10 projects at a time to guarantee quality and personal attention.
… and check if your property qualifies.
Our secret, explained
Profitable investment
With more than 15 years of experience, we are here to guide you through every step with the goal of making your ADU project your most profitable investment yet.
100% on site construction
We build the unit from start to finish on your lot: no size limitations, no dangerous craning, no hassle.
Fully custom
Each of our ADUs is completely unique and custom to your taste. Nobody will have the same ADU in their backyard as you.
★★★★★
Homeowners