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Transform Your Space with Custom ADU Design in San Diego

Expert ADU design services—from garage conversions to detached units—tailored to meet San Diego standards and maximize property value.

San Diego’s Most Trusted ADU Designers

We have a proven track record of creating beautiful and functional ADUs that meet the unique needs of our clients.

Our  experienced designers and the builders we work with will work with you to create a custom ADU that fits your lifestyle and budget. We offer a variety of design services, including garage conversions, attached and detached ADUs, and more.

 

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ADU Solutions:
Garage, Attached & Detached Conversions

Which ADU Type Fits Your Needs?

Junior/Garage ADU

Ideal for students or flexible space

  • Colleague Kids

  • Elderlies/Grandparents

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From $60,000 -$100,000

Typical Specs

Studio / 1 bedroom

(bathroom is optional)

Under 500 sqft.

*Total Cost Includes

Design

Permits

Construction (with contractor)

Materials

Attached ADU

Seamless expansion for passive income

  • Passive income

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From $120,000*

Typical Specs

1 bed/ 1 bath and up

Over 450 sqft.

*Total Cost Includes

Design

Permits

Construction (with contractor)

Materials

Detached ADU
Full privacy and rental potential

  • Letting

  • Additional Family Space

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From $120,000*

Typical Specs

1 bed/ 1 bath and up

Over 450 sqft.

*Total Cost Includes

Design

Permits

Construction (with contractor)

Materials

Why Choose Sprawl-Design for Your ADU Project?

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End Simplicity: Design Through Build

We take care of everything from the initial design concept to the final construction, ensuring a smooth and efficient process for you.

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8 Years of ADU Design Expertise

Our team of experienced designers and builders have a deep understanding of ADU regulations and can create a functional and beautiful space that meets your needs and budget.

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One Contact, Clear Communication

With a single point of contact throughout the entire project, you'll always know who to talk to and avoid any miscommunication.

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Budget Clarity & Financing Guidance

We will help you set a budget and walk you through the lending process. Learn More

ADU Guides & Articles for San Diego Homeowners

Explore Our Recent ADU Transformations in San Diego

Client Stories:
What Our Customers Say

The below reviews are originals taken from our Google My Business Page.

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