ADU Builder in Long Beach, CA

Expert ADU Design, Garage Conversions & Full-Service Build Coordination.

Building an Accessory Dwelling Unit (ADU) in Long Beach is more than adding extra square footage — it’s a smart investment in property value, rental income, and flexible living options. With California’s ADU-friendly laws and Long Beach-specific zoning requirements, navigating permits, design, and construction can be complex. Our team specializes in guiding homeowners through every stage of the process, from initial concept to final inspection.

Site & Design Tips for Long Beach ADUs

Maximize your ADU’s functionality and value with smart site and design choices:

  • Lot Placement: Position your ADU for sunlight, privacy, and access. Garage conversions and backyard units make efficient use of space.
  • Efficient Layouts: Open-concept designs, multi-functional rooms, and built-in storage optimize smaller spaces.
  • Neighborhood Harmony: Match your ADU’s style, materials, and colors to your home and surroundings.
  • Utilities & Parking: Plan connections and parking early to avoid delays during permitting.

Partnering with a local Long Beach ADU builder ensures your project is compliant, efficient, and tailored to your property.

Horizon House – Modern Form Series: 3 Bedroom ADU Exterior
Casa Siesta – Rancho Sol Series, 430 sq ft ADU: Exterior

Our ADU Services

We provide custom ADU solutions that work with your property’s unique layout, from standard lots to challenging hillside or coastal terrains.

Whether you’re converting a garage or building a new detached unit, our team ensures your ADU is fully code-compliant, functional, and aesthetically integrated with your home.

Our offerings include:

Typical ADU Costs in Long Beach

The cost of an ADU depends on size, finishes, and site conditions. As a guideline:

  • Garage Conversions: $120,000 – $190,000
  • Detached ADUs: $220,000 – $500,000+
  • Junior ADUs: $85,000 – $150,000

Factors such as hillside grading, premium finishes, and utility connections can affect the overall cost. Use our ADU Cost Calculator below to get an approximate estimate and plan your budget with confidence.

Custom ADU Layouts Tailored to Long Beach Homes

Our expert team develops floor plans that fit your lot and lifestyle, ensuring functional, stylish, and compliant ADUs for every property.

Trusted ADU Builders Across Long Beach, CA

Building an ADU in Long Beach requires local expertise and a deep understanding of city zoning and California ADU laws. Our team brings years of experience guiding homeowners through every step — from custom design and permitting to construction oversight — ensuring each unit is code-compliant, functional, and tailored to your property.

We collaborate with trusted local contractors and architects to deliver ADUs that integrate seamlessly with your home, maximize livability, and increase long-term property value. Whether you’re planning a detached backyard unit, garage conversion, or second-story addition, our Long Beach team makes the process efficient, stress-free, and investment-ready.

Connect With Ataman Studio

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

Frequently Asked Questions – Long Beach ADUs

Depending on size, design, and permitting, ADU projects typically take 6–12 months from initial planning to completion.

Options include detached units, attached additions, garage conversions, junior ADUs (JADUs), and second-story additions, all designed for functionality and code compliance.

Options include detached backyard units, attached additions, garage conversions, junior ADUs, basement units, and second-story additions. Each is designed to meet local zoning, hillside, and safety requirements.

It depends on your property, budget, and goals. Garage conversions are cost-effective and quicker, while detached ADUs provide more space and flexibility.

Open layouts, natural light, multi-functional rooms, and seamless integration with the main house are ideal for maximizing comfort and value.

Some programs and low-interest loans are available for California homeowners building ADUs. We can guide you through options that fit your project.

A well-designed ADU can increase property value by 20–30% and generate $2,000–$4,500 per month in rental income, depending on size and location.

Yes. With careful site planning, even compact lots can accommodate detached units, garage conversions, or JADUs, while meeting city setbacks and parking requirements.

Garage conversion ADU in Long Beach, California with modern design, full kitchen, and private outdoor patio.
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Maximize Your Property Value with a Long Beach ADU

Modern House Design & Drafting - 3D Illustration