About Us
ADU Solutions Built for the Bay Area
With dozens of ADU projects completed and more in the pipeline, Richline is one of the Bay Area’s most trusted builders for accessory units that blend function, beauty, and code compliance.
Return on Investment
An ADU doesn’t just add space—it adds serious value. Whether you’re generating rental income or boosting your home’s resale appeal, this is one of the smartest upgrades you can make
Your Backyard Reimagined
With demand at an all-time high and streamlined permitting in many cities, there’s never been a better time to build your ADU