ADU Builder in San Diego, CA

Expert ADU design and build services in San Diego, CA, fully compliant with local codes and tailored to your home.

Ataman Studio provides expert ADU design and building services in Beverly Hills, CA. From attached and detached ADUs to garage and basement conversions, we guide your project from initial design to permits and construction. Work with our trusted team to create a functional and stylish accessory dwelling unit tailored to your property.

Why Build an ADU in San Diego?

San Diego is one of the most competitive housing markets in California, making accessory dwelling units (ADUs) a valuable investment for homeowners. An ADU in San Diego can serve as a rental property, a private suite for family, or a home office. With property values consistently rising, building an ADU adds both functionality and long-term equity.

Key benefits of building an ADU in San Diego:

  • Generate steady rental income in a city with high housing demand.
  • Create multi-generational living space without leaving your property.
  • Increase property resale value with a legal secondary unit.
  • Adapt to lifestyle needs with flexible floor plans (office, guest suite, or gym).
4 Bedroom ADU Exterior
Family Nest – 3 Bedroom ADU: Exterior

ADU Types for Your San Diego Property

We design and manage all major ADU types in San Diego, from detached units and garage conversions to second-story additions and junior ADUs. Our team ensures each project meets local zoning codes, maximizes property value, and aligns with your lifestyle needs.

Cost of Building an ADU in San Diego

The cost of building an ADU in San Diego depends on size, complexity, and finishes. On average, projects range from $150,000 to $400,000+.

Main factors that influence cost:

  • Unit size & type – JADUs are the most affordable, detached ADUs with new foundations cost more.
  • Structural complexity – Sloped lots and coastal hillside areas require advanced engineering.
  • Material quality – High-end finishes can significantly increase investment.
  • Utility connections – Sewer, water, and electrical work vary across San Diego neighborhoods.
  • Permitting & fees – Costs differ between the City of San Diego and San Diego County.

Use our ADU Cost Calculator below to estimate your project.

Custom ADU Floor Plans for San Diego Homes

We transform your ADU ideas into reality with custom floor plans, thoughtful design integration, and full-service support from start to finish. From site analysis and permits to coordinating construction with trusted San Diego ADU builders, our team ensures your ADU is fully compliant, functional, and tailored to your lifestyle or rental objectives. Whether it’s a detached unit, garage conversion, or second-story addition, every plan is optimized for efficiency, aesthetics, and long-term value in San Diego neighborhoods.

Urban 50 – Studio ADU 3D Floor Plan (495 sq ft)

Urban 50 – 495 Sq Ft Studio ADU Floor Plan

Horizon House – Modern Form Series: 1200 Sq Ft 3-Bedroom ADU 3D Floor Plan

Horizon House – 1200 Sq Ft 3-Bedroom ADU Plan

Trusted ADU Builders Serving All of San Diego

At Ataman Studio, our team combines local expertise with full-service ADU design and build coordination. While we serve homeowners throughout San Diego County, we have extensive experience designing and managing accessory dwelling units in San Diego. From La Jolla and Pacific Beach to North Park, Hillcrest, and Point Loma, our architects and trusted San Diego ADU builders provide complete design, permitting, and construction support tailored to your property and vision.

Wherever you are in San Diego, we’re ready to make your ADU or home addition a seamless, stress-free experience.

Connect With Ataman Studio

Office: 13151 Fountain Park Dr, Los Angeles, CA 90094​
Phone: (213) 618-5456
Email: info@atamanstudio.com

Frequently Asked Questions – San Diego ADUs

Yes, local regulations allow multifamily lots to add up to two detached ADUs, plus convert non-livable spaces into additional units. On single-family lots, typically you can build 1 detached or attached ADU along with 1 JADU. Site conditions, lot size, and zoning codes will influence your options.

Yes, local regulations allow multifamily lots to add up to two detached ADUs, plus convert non-livable spaces into additional units. On single-family lots, typically you can build 1 detached or attached ADU along with 1 JADU. Site conditions, lot size, and zoning codes will influence your options.

Rental potential depends on location, unit size, and finishes. In popular neighborhoods like La Jolla, North Park, or Hillcrest, a 1-bedroom ADU can generate $2,000–$2,800/month, while larger 2–3 bedroom units may exceed $3,500/month. Proper design and market positioning can maximize occupancy and long-term returns.

Not always. Some city ordinances require separate water, gas, and electrical meters, while in other cases utilities can be shared with the main residence. Ataman Studio advises on the most efficient and cost-effective setup during the design phase to avoid future complications and ensure compliance.

Yes. ADUs must comply with local height limits, setback requirements, lot coverage, and architectural guidelines, particularly in coastal or historic neighborhoods. We integrate these rules into every floor plan, so your ADU is both compliant and aesthetically seamless with your home.

Absolutely. We provide end-to-end services, including custom design, floor plans, permit acquisition, and coordination with trusted San Diego ADU builders, ensuring a smooth, stress-free construction experience from start to finish.

Modern attached ADU in San Diego with large windows, sliding glass doors, and a private outdoor patio.
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Modern House Design & Drafting - 3D Illustration