Are JADUs allowed in Long Beach?

David Moore
October 22, 2025 at 02:15 AM
Zoning & Legal Long Beach, CA
Hi everyone,

I'm hoping to get some clarity on whether Junior Accessory Dwelling Units (JADUs) are allowed in Long Beach. I've been researching a bit, but I'm still confused about the specifics and hoping someone with more expertise can help.

I own a single-family home in the Bixby Knolls area on a lot that's about 5,500 square feet. I'm interested in constructing a JADU to generate some extra income and provide a flexible living space for family visits. My budget is somewhat limited, so I'm trying to avoid any unnecessary expenses that might come from misunderstandings of local regulations.

From what I've gathered, JADUs are supposed to be smaller than regular ADUs, but I couldn't find precise information on how Long Beach enforces these rules. Does anyone know the exact size restrictions for JADUs here? Also, are there specific zoning requirements or approvals I should be aware of?

Additionally, I'm curious if there are distinct utility connection requirements for JADUs compared to standard ADUs. Can someone clarify this for me? Lastly, are there any common pitfalls or hidden costs in the permitting process I should be prepared for?

I really want to ensure I'm staying within legal parameters and making the best decision financially, so any guidance or resources you can share would be greatly appreciated. Thanks in advance for your help!

1 Answer

Ruben
October 20, 2025 at 05:58 AM
Hello!

I'm glad to hear you're considering adding a Junior Accessory Dwelling Unit (JADU) to your property in the Bixby Knolls area of Long Beach. JADUs are a fantastic way to add value to your home, create additional income streams, and provide flexible living spaces for family or guests. Let's dive into your questions to ensure you have a clear path forward.

### Are JADUs Allowed in Long Beach?

Yes, JADUs are permitted in Long Beach. They are governed by both state legislation and local ordinances. Under California state law (SB 13, AB 68, and AB 881), all cities, including Long Beach, are required to permit JADUs in residential areas. Long Beach adheres to these state regulations while also having its own local ordinances to consider.

### Size Restrictions and Requirements

For JADUs, the size is generally limited to a maximum of 500 square feet. This is consistent with the state mandate. Since JADUs are created by repurposing existing space within the primary dwelling, such as a bedroom or other living area, you would not be expanding the footprint of your home, making this a cost-effective option.

### Zoning and Approvals

Your property in Bixby Knolls is likely zoned for single-family residences, which supports the addition of a JADU. However, you should verify the specific zoning designation of your property, as some areas might have overlay zones or special districts with additional requirements.

To proceed, you'll need to:

1. **Consult the Long Beach Development Services:** They can confirm zoning specifics and help ensure your proposed JADU complies with local regulations.
2. **Submit a Site Plan Review:** This is necessary to ensure your project complies with local building codes and ordinances. This process might take several weeks, so plan accordingly.

### Utility Connection Requirements

Unlike standard ADUs, JADUs can share utilities with the main dwelling. This means you won't need separate utility hookups, which can significantly reduce your installation costs. However, ensure your existing systems can accommodate the additional load, especially plumbing and electrical systems.

### Common Pitfalls and Hidden Costs

1. **Permit Fees:** In Long Beach, building permit fees for a JADU are generally lower than for a detached ADU, but they can still range from $1,000 to $3,000 depending on the specifics of the project.
2. **Construction Costs:** While these can vary, typical JADU construction costs in Long Beach might range from $50,000 to $80,000, depending on the complexity of the conversion and your design preferences.
3. **Design and Compliance:** Make sure your design complies with all local fire safety and building codes. Hiring a local architect or designer familiar with Long Beach regulations can save time and prevent costly redesigns.

### Timelines

From initial consultation to project completion, expect a timeline of approximately 6 to 12 months. This includes planning, permitting, and construction phases. Given current demand, securing contractors might extend this timeline, so it's wise to start your planning early.

### Practical Tips

- **Work with Local Professionals:** Engage architects or contractors who have experience with JADUs in Long Beach. They can help navigate local regulations and expedite the process.
- **Consider Financing Options:** Look into local incentives, such as programs offered by the city or state for ADU development, which might include low-interest loans or grants.
- **Stay Informed on State Legislation:** California laws around ADUs and JADUs are evolving. Keeping updated will help you capitalize on any new opportunities or requirements.

### Next Steps

1. **Verify Zoning and Property Details:** Start by confirming your property’s zoning and any specific requirements with Long Beach Development Services.
2. **Engage a Local Architect or Designer:** To ensure your JADU meets all local and state regulations.
3. **Plan Your Budget and Financing:** Consider potential financing options and plan for both expected and unexpected costs.
4. **Consult Utility Providers:** Ensure your existing utilities can handle the additional demand.

Building a JADU is a significant project, but with careful planning and the right guidance, it can be a rewarding investment. Best of luck with your project in Bixby Knolls, and feel free to reach out if you have more questions or need further guidance.

Warm regards,

[Your Name]
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Types of ADUs in Long Beach, CA

Understanding the different types of Accessory Dwelling Units can help you choose the best option for your property and needs.

Detached ADU

A separate, standalone structure built on your property. Offers maximum privacy and flexibility for tenants.

  • Complete privacy
  • Custom design options
  • Higher rental income potential
Attached ADU

An addition to your existing home with a separate entrance. Cost-effective option with shared utilities.

  • Lower construction costs
  • Shared utility connections
  • Family-friendly proximity
Garage Conversion

Convert existing garage space into a livable unit. Most cost-effective ADU option with fastest approval.

  • Lowest construction cost
  • Faster permitting
  • Uses existing structure
JADU

Junior ADU created within the existing home. Maximum 500 sq ft with efficiency kitchen and shared utilities.

  • Minimal construction
  • No parking requirement
  • Perfect for family use
Upper Floor ADU

Add a second story or convert existing upper floor space. Maximizes property value and rental potential.

  • Premium rental rates
  • Enhanced privacy
  • Great city views
Basement ADU

Convert basement or lower level into living space. Great option for properties with existing below-grade areas.

  • Uses existing space
  • Natural temperature control
  • Sound isolation

ADU Cost Guide for Long Beach, CA

Understanding ADU costs helps you budget effectively and make informed decisions about your project. Costs vary based on size, complexity, and local factors.

ADU Type Size Range Cost Range Timeline Best For
Garage Conversion 400-800 sq ft $80K - $150K 3-6 months Budget-conscious homeowners
JADU Up to 500 sq ft $50K - $100K 2-4 months Family use, minimal disruption
Attached ADU 600-1,000 sq ft $120K - $200K 4-8 months Shared utilities, family proximity
Detached ADU 600-1,200 sq ft $150K - $300K 6-12 months Maximum rental income
Two-Story ADU 800-1,500 sq ft $200K - $400K 8-15 months Maximizing property value
Cost Factors to Consider
  • Site Preparation: $5K - $25K
  • Permits & Fees: $3K - $15K
  • Utility Connections: $5K - $20K
  • Finish Level: $10K - $50K variance
  • Landscaping: $2K - $10K
Potential ROI
  • Rental Income: $1,500 - $4,000/month
  • Property Value Increase: 20-30%
  • Payback Period: 8-15 years
  • Tax Benefits: Depreciation allowances
  • Equity Growth: Long-term appreciation
Get Your Personalized Cost Estimate

These are general ranges. Your actual costs may vary based on specific site conditions, design choices, and local market factors in Long Beach.

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Why Build an ADU in Long Beach?

Financial Benefits
Rental Income: Generate $18,000-$48,000 annually
Property Value: Increase home value by 20-30%
Tax Benefits: Depreciation and expense deductions
Investment: Strong ROI in California markets
Lifestyle Benefits
Multigenerational Living: Keep family close while maintaining privacy
Home Office: Create dedicated workspace or studio
Guest Space: Comfortable accommodations for visitors
Sustainability: Increase housing density efficiently

Popular ADU Floor Plans

Explore our most popular ADU designs that work well in Long Beach, CA. These professionally designed floor plans optimize space and functionality while meeting local building requirements.

Cascade ADU Floor Plan - 2 Bedroom, 2 Bathroom
2 Bed 2 Bath 1,200 sq ft
The Cascade

Spacious 2-bedroom design perfect for families. Features open living area, full kitchen, and two full bathrooms with optimal privacy.

Open floor plan
Master suite
Laundry room
Summit ADU Floor Plan - 2 Bedroom, 2 Bathroom
2 Bed 2 Bath 950 sq ft
The Summit

Efficient 2-bedroom layout maximizing every square foot. Great for narrow lots with smart storage solutions throughout.

Compact design
Pantry storage
Two full baths
Brookside ADU Floor Plan - 2 Bedroom, 2 Bathroom
2 Bed 2 Bath 1,400 sq ft
The Brookside

Luxurious 2-bedroom design with premium features. Includes master suite, guest bedroom, and spacious living areas.

Large living room
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Sequoia ADU Floor Plan - 3 Bedroom, 2 Bathroom
3 Bed 2 Bath 1,100 sq ft
The Sequoia

Unique 3-bedroom configuration perfect for larger families. Features dual bathrooms and smart space utilization.

Three bedrooms
Laundry room
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Crestline ADU Floor Plan - 3 Bedroom, 2 Bathroom
3 Bed 2 Bath 1,500 sq ft
The Crestline

Premium 3-bedroom layout with maximum comfort. Features spacious bedrooms, walk-in closets, and luxury finishes.

Primary suite
Pantry space
Open concept
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Types of ADUs in Long Beach, CA

Understanding the different types of Accessory Dwelling Units available in Long Beach, CA can help you choose the best option for your property and budget.

Detached ADU

A standalone structure separate from the main house. Offers maximum privacy and flexibility.

  • Maximum privacy
  • Flexible design options
  • Higher rental income potential
Garage Conversion

Converting an existing garage into a living space. Most cost-effective option.

  • Lower construction costs
  • Faster permitting process
  • Existing utilities nearby
Attached ADU

An addition to the existing house with separate entrance. Balances cost and privacy.

  • Shared utilities
  • Moderate construction costs
  • Easy maintenance access
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ADU Cost Guide for Long Beach, CA

Understanding ADU costs helps you budget effectively and make informed decisions about your project in Long Beach, CA.

ADU Type Size Range Cost Range Cost per Sq Ft Timeline
Garage Conversion 400-800 sq ft $80,000 - $150,000 $200 - $250 3-6 months
Attached ADU 500-1,200 sq ft $150,000 - $300,000 $250 - $350 6-9 months
Detached ADU 600-1,200 sq ft $200,000 - $400,000 $300 - $450 8-12 months
Prefab ADU 400-1,000 sq ft $120,000 - $250,000 $250 - $350 4-8 months
JADU (Junior ADU) Up to 500 sq ft $50,000 - $120,000 $150 - $300 2-4 months
Cost Factors to Consider:
  • Site preparation and utilities
  • Permits and plan review fees
  • Foundation and structural work
  • Finishes and appliances
  • Landscaping and driveway
Ways to Save Money:
  • Choose garage conversion over new build
  • Use prefab or modular construction
  • Keep design simple and efficient
  • Bundle with main house renovations
  • Work with experienced ADU builders
Get Your Personalized ADU Cost Estimate

Our experts will provide a detailed cost breakdown for your specific Long Beach property.

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Complete Guide to Zoning & Legal ADUs in Long Beach, CA

Understanding Zoning & Legal for ADU Projects

Navigating zoning regulations and legal requirements is crucial for any ADU project in Long Beach, CA. Understanding local ordinances, state laws, and compliance requirements can save you time, money, and potential legal issues down the road.

Key considerations for zoning and legal compliance include setback requirements, height restrictions, lot coverage limitations, and parking regulations. Each jurisdiction has specific rules that must be followed, and these can vary significantly even within the same county or region.

Working with experienced professionals who understand local regulations is essential. The GatherADU team specializes in navigating these complex requirements and can help ensure your project meets all necessary legal standards from planning through completion.

Zoning & Legal Requirements in Long Beach, CA

Local regulations in Long Beach, CA have specific requirements that affect ADU development. Understanding these local nuances is crucial for project success and compliance.

Long Beach has 27 ADU-related questions in our database, indicating active development interest in your area. This local activity suggests growing expertise among contractors, architects, and city officials familiar with ADU projects.

Common considerations for Long Beach include local architectural standards, historical district requirements if applicable, utility connection procedures, and neighborhood-specific zoning overlays that may affect your project.

Expert Insights on Zoning & Legal

The GatherADU team has helped hundreds of homeowners navigate zoning & legal challenges successfully. Our experience reveals common patterns, effective strategies, and potential pitfalls to avoid.

Professional consultation early in your project can prevent costly mistakes and delays. We've seen how proper planning in the zoning & legal phase saves both time and money throughout the entire ADU development process.

Our database contains 148 questions related to Zoning & Legal, with 157 expert answers providing comprehensive guidance for homeowners facing similar challenges.

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ADU Development Checklist for Long Beach, CA

Use this comprehensive checklist to ensure you don't miss important steps in your ADU development process.

Planning Phase
  • Define project goals and budget
  • Research local zoning requirements
  • Evaluate site conditions and constraints
  • Consult with ADU experts
  • Develop preliminary design concepts
Pre-Construction
  • Finalize architectural plans
  • Submit permit applications
  • Select qualified contractors
  • Secure financing if needed
  • Schedule utility connections
Construction Phase
  • Site preparation and excavation
  • Foundation and framing work
  • Rough-in electrical and plumbing
  • Insulation and drywall installation
  • Interior and exterior finishes
Completion
  • Final inspections and approvals
  • Certificate of occupancy
  • Utility meter installation
  • Final walkthrough and cleanup
  • Property insurance updates
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Long Beach, CA

This question is specific to Long Beach, CA

Local regulations may vary by jurisdiction. Always verify with your local planning department.