Serving Long Beach

ADU Contractor in Long Beach — Garage Conversions & New Construction

Long Beach offers some of the most ADU-friendly conditions in Southern California — large lots, affordable construction relative to the coast, and strong rental demand near the port and healthcare corridor.

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CA General Contractor

200+ ADUs Built

Across LA County

15+ Years

In Business

Why Long Beach

Why Long Beach Is a Strong Market for ADU Investment

Long Beach is one of LA County's largest cities, and its housing market is remarkably diverse — ranging from walkable Belmont Shore bungalows to sprawling North Long Beach ranches on 7,000+ square foot lots. That variety means ADU options are wide: garage conversions, detached backyard cottages, and interior JADUs are all viable depending on the property.

The Long Beach rental market is driven by the Port of Long Beach and Los Angeles — the nation's busiest port complex — along with Long Beach Memorial Medical Center, California State University Long Beach, and a growing aerospace and logistics employer base. These institutional anchors create steady demand for well-priced, quality ADU space.

Large lots throughout North and Central Long Beach create room for detached ADUs
Steady rental demand from the port, CSULB, and Long Beach Medical Center
More affordable construction costs than coastal LA markets — better margin profile
Growing arts and restaurant district draws young professionals seeking rental housing
No owner-occupancy requirement under California state ADU law
Long Beach's independent permit department offers a direct alternative to LADBS

$1,900/mo

Avg Studio ADU Rent

10–18 wks

Typical Permit Timeline

4 ft

Min Rear / Side Setback

1,200 sq ft

Max ADU Size

Permits & Zoning

ADU Permitting in Long Beach

What Long Beach homeowners need to know before starting an ADU project.

City of Long Beach Development Services

Long Beach operates its own building and planning department — the City of Long Beach Development Services. The city has adopted California's ADU laws in full and permits ADUs on most single-family residential lots throughout its boundaries.

Coastal Zone Properties

Properties near the coast — including parts of Belmont Shore, Bluff Park, and Naples — may sit within the Coastal Zone and require a Coastal Development Permit (CDP) in addition to standard building permits. We assess coastal overlay status during the free site evaluation.

Older Housing Stock Considerations

Long Beach has significant post-war housing stock from the 1940s–1960s. Older homes may have outdated electrical panels, aging plumbing, or unconventional framing that adds scope to a garage conversion or addition. We conduct thorough condition assessments before finalizing pricing.

Permit Timeline

Standard ADU permitting in Long Beach runs 10–18 weeks. Coastal Zone projects requiring CDP review may take longer. Long Beach's department is generally communicative and responsive to correction inquiries.

Pricing in Long Beach

ADUs Starting From $150,000

Long Beach ADU costs reflect competitive South Bay construction pricing. The city's scale and housing diversity mean the right ADU type varies significantly by neighborhood. All-inclusive pricing covers design, engineering, permitting, and construction.

Design, architecture & engineering included
Permitting and city approval management included
Full construction and site work included
Final inspection and certificate of occupancy included

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Junior ADU (JADU)

Interior conversion

$58,000 – $95,000

Garage Conversion ADU

Existing garage footprint

$78,000 – $145,000

Attached ADU

Addition to primary home

$115,000 – $205,000

Detached ADU

New standalone structure

$145,000 – $265,000

* All-inclusive pricing. Final cost depends on scope and site conditions.

Free Estimate

Get a Free Estimate for Your Long Beach Property

We'll assess your property, review your Long Beach zoning, and provide a detailed cost and timeline estimate — at no charge, with no obligation.

Long Beach-specific feasibility review for your lot
Realistic all-inclusive cost range for your ADU type
Timeline from design through certificate of occupancy
Response within 1 business day

Also serving nearby

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Common Questions

ADU Questions for Long Beach Homeowners

What ADU type works best in Long Beach?

It depends on the neighborhood and lot. North Long Beach and Central Long Beach often have large lots where a new detached ADU makes sense. Older neighborhoods with detached garages are strong garage conversion candidates. Belmont Shore bungalows may be better suited to JADUs carved from interior space. We assess every property individually and recommend the best path after a free site review.

Does Long Beach have its own permitting department or does it use LADBS?

Long Beach has its own independent planning and building department — the City of Long Beach Development Services. It does not use LADBS. Long Beach-specific rules and timelines apply, and our team has active experience navigating both.

What rental income can I expect from a Long Beach ADU?

Studio ADUs in Long Beach typically rent for $1,600–$2,200/month. One-bedroom ADUs achieve $2,000–$2,800/month in most neighborhoods. Belmont Shore and Bluff Park command a coastal premium. Annual gross rental income of $20,000–$34,000 is realistic for most Long Beach ADUs.

Are Long Beach properties near the coast harder to permit?

Coastal-adjacent properties in Long Beach may require a Coastal Development Permit (CDP) in addition to standard building permits. This adds process time and review steps but is manageable with proper preparation. We identify your property's coastal overlay status during the initial assessment and factor any CDP requirements into your project timeline.

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Why ADU Build LA

ADU Expertise You Can Count On

We've built ADUs across Long Beach and the surrounding area — navigating local zoning, permit processes, and site conditions that generalist contractors don't know.

Our Services

ADU Services Available in Long Beach

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ADU Plans & Design

Custom ADU plans and architectural design tailored to your property and Los Angeles zoning requirements — from initial concept to permit-ready drawings.

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ADU Permits & Approvals

We manage the full ADU permitting process across Los Angeles and LA County — plan check, corrections, and final approval handled end to end.

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Detached ADU Construction

New-construction detached ADUs in Los Angeles — from foundation to certificate of occupancy. Full-service design, permitting, and construction under one contract.

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Planning an ADU in Long Beach?

Design your ADU in our interactive configurator — choose type, size, style, and finishes. Get a matching floor plan and budget estimate before you talk to anyone.

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Build Your ADU in Long Beach

Join over 200 Los Angeles homeowners who have added rental income and lasting property value with an ADU from ADU Build LA. Your free estimate is the first step.

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Learn about our process as a full-service ADU design-build company serving all of Los Angeles County.