ADU Design

S3DA is a design company that specializes in full-service, accessory dwelling unit projects throughout California.
We are facing affordable concerns, additional room for loved ones, and intelligent investors looking for ways to create a great rental property investment without buying an entire house. We have experience in Garage Conversion, Storage Conversion, Loft Conversion, Barn Conversion, JADUs, detached and attached additions

Our Firms’ expertise in ADU design core is

Let's create exceptional designs together.

Reach out to S3DA for a complimentary consultation.

Sample projects

What our clients say

Frequently Asked Questions

It depends on the complexity of the house, but in most cases, you will need roughly 5 to 8 sets. Those who will need design prints include:

  • The owner
  • The Contractor
  • The Sub-contractors
  • The Building Department
  • The Mortgage Lender
  • The Building Inspector

Yes, you can. If you or your builder have a talent for design, a clear idea of what you want, and if you can create plans that meet your local building authorities, you can go ahead with designing your house.

Well, it depends on several factors such as the complexity of the project, the square area of the land, add-on services like extra revisions, project management services or any type of construction help. We recommend you get in touch with our experts for a better understanding.

Different architects offer numerous services when it comes to initial meetings with potential clients. Many architectural design firms agree to a quick, one-off introduction free of charge to discuss the project, your budget and their ability to deliver.

Our architectural design firm offers

  • Conceptual Design
  • Exterior Design
  • Landscape Design
  • Design Development
  • Detailed Design and Drawings Production
  • Technical Specifications