Serving Long Beach

ADU Design & Build Specialists in Long Beach

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.

4.9 / 5 Rating
Google Reviews
Licensed & Insured
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

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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.

Licensed & Insured General Contractor

ADU Build LA holds an active California General Contractor (B) license with CSLB and carries full general liability and workers' compensation insurance. Every subcontractor on your project is licensed, insured, and verified before they set foot on your property.

200+ ADUs Built Across LA County

We've completed over 200 ADU projects — garage conversions, detached new construction, Junior ADUs, and attached units — across every major LA-area city. That depth of experience means we've seen every site condition, every permit challenge, and every construction scenario.

15+ Years of ADU Experience

Since before the 2020 ADU law reforms, we've been building accessory dwelling units in Los Angeles. We've navigated every iteration of state ADU law, local zoning changes, and city permit process updates — institutional knowledge that directly accelerates your project.

Transparent, Fixed-Price Contracts

We don't use time-and-materials billing or open-ended design fees. Every project starts with a detailed all-inclusive fixed price covering design, engineering, permitting, and construction. What we quote is what you pay — no surprise change orders, no scope creep billing.

In-House Permit Management

Our team has submitted hundreds of permit applications across LADBS, Santa Monica, Pasadena, Glendale, Culver City, and other LA-area jurisdictions. We know each city's plan check process, common correction triggers, and expedite options — reducing wait time and managing every step for you.

Single-Contract Design-Build

Under one contract, our in-house team handles every phase — design, engineering, permitting, and construction. You won't need to coordinate between a separate architect and a separate builder. One point of contact, one schedule, full accountability from first sketch to final inspection.

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.