Design Your Dream
Accessory Dwelling Unit

From dirt to keys, build with ease!

Expand with Ease
CASITA ADU

Specializing in:
Let’s create something amazing together!

San Diego Leading ADU Specialists Excelling in All Project Areas

At CASITA ADU, our dedicated team ensures seamless project delivery from your first contact to handing over the keys to your new ADU home. Our extensive experience allows us to anticipate and avoid common pitfalls, providing unmatched expertise in ADU projects. We are committed to being the top ADU specialists in San Diego
FULL ACCOUNTABILITY. ADU EXPERTISE. PROVEN RESULTS.

ADU Design Build Galleries.

Not sure where to start with the hundreds of choices to make for your interior & exterior accessory dwelling unit design? We can help make your ADU design process simple and enjoyable. Click to explore our ADU galleries.

Werner

“Winston is incredible to work with. He is attentive to details and made sure he was addressing any of the barriers that inevitably come up with most construction permitting processes and builds.”

Ben McEachen

“Working with Winston, Sondra and their team at Casita ADU has been an exceptional experience from start to finish! They offer a fantastic range of options for ADUs, including stylish room additions.”

Cherie Gilbert

“What a wonderful experience! We cannot recommend Winston and his company enough. From the first day, we were so impressed with the professionalism and caring we received.”

The Advantages of Working With Our Design-Build CASITA ADU Team

  • Choose the right partner for ADU development
  • Design build company manages design, permitting, and construction
  • Incentives aligned for product success
  • Stick-built methods ensure custom fits
  • Extensive expertise in San Diego ADUs helping homeowners save significantly

Thank you for stopping by!

We happily work with the San Marcos Chamber of Commerce

We happily work with the Vista Chamber of Commerce