Can I have multiple ADUs on one lot in Long Beach?

Maria Moore
October 22, 2025 at 05:42 AM
Zoning & Legal Long Beach, CA
Hello everyone,

I'm a homeowner in Long Beach, California, and I'm interested in adding multiple ADUs to my property. My lot is about 9,000 square feet, and I'm considering building at least two ADUs to provide some extra income and possibly house extended family members. I've done a bit of research and understand that California laws have recently become more supportive of ADU construction, but I'm still uncertain about the specific zoning regulations in Long Beach.

Here are some questions I hope someone can help me with:

1. Is it legally permissible to have more than one ADU on a single lot in Long Beach, given my lot size?
2. Are there specific zoning designations or requirements that I need to be aware of that might impact my ability to build multiple ADUs?
3. What are the parking requirements for multiple ADUs, and are there any exceptions based on proximity to public transit or other factors?
4. Given a budget of around $250,000, is it feasible to construct two ADUs without compromising on quality?

I really want to make sure I adhere to all city regulations and optimize the use of my property while staying within budget. Any insights or experiences would be greatly appreciated, especially from those who have undertaken similar projects in Long Beach. Thanks in advance for your advice!

1 Answer

Ruben
October 21, 2025 at 02:06 PM
Hello,

You've asked some excellent questions about adding multiple ADUs to your property in Long Beach. The recent legislative changes in California are indeed making it easier for homeowners to maximize the use of their properties with ADUs. Let's dive into each of your queries:

1. **Legality of Multiple ADUs on One Lot in Long Beach:**
Under California state law, particularly SB-13, AB-68, and AB-881, you may be allowed to have more than one ADU on your property. Specifically, these regulations permit a homeowner to add both an ADU and a Junior ADU (JADU) to a single-family lot. Long Beach has aligned its local zoning codes with these state laws. Given your 9,000 square foot lot, assuming it is zoned for single-family use, you should be able to construct both an ADU and a JADU, provided you meet other zoning and building requirements. It's critical to check with the Long Beach Development Services to confirm your specific zoning and any additional local amendments.

2. **Zoning Designations and Requirements:**
Long Beach has specific zoning codes, and certain areas might have different density limits or design guidelines. Typically, single-family residential zones (R-1) will allow for one ADU and one JADU. If your property is in a multi-family zone, more flexibility may exist. Ensure you verify your zoning designation through the Long Beach zoning map available online or by contacting the city's planning department. Additionally, your ADUs must comply with setback requirements, height restrictions, and total lot coverage limits. For example, ADUs are generally required to have setbacks of at least 4 feet from side and rear property lines.

3. **Parking Requirements:**
Long Beach follows California's ADU parking regulations, which have been relaxed in recent years. Generally, if your property is within half a mile of public transit, no additional parking is required for ADUs. If parking is required, typically one parking space per ADU is needed, but this can often be accommodated in tandem or within existing driveways. Always check the most current local ordinances as they may provide specific exemptions or requirements.

4. **Feasibility on a $250,000 Budget:**
Constructing two ADUs with a $250,000 budget is ambitious but possible with careful planning. In Long Beach, the cost for a detached ADU can range from $150 to $250 per square foot, depending on materials and finishes. A 600-square-foot ADU could, therefore, cost between $90,000 and $150,000. Prefabricated or modular units could be a cost-effective alternative, though they often require site preparation and assembly costs. Consider engaging a local architect or builder who specializes in ADUs to get accurate quotes and avoid unexpected expenses.

**Step-by-Step Guidance:**
1. **Verify Zoning and Regulations:** Start by confirming your property's zoning and any specific local ADU ordinances with Long Beach Development Services. This ensures compliance and helps avoid costly errors.

2. **Plan Your ADU(s):** Decide the size, layout, and type (detached, attached, or garage conversion) of your ADUs. Consult with an architect who knows Long Beach regulations.

3. **Budget Planning:** Obtain multiple quotes from contractors familiar with ADUs. Consider prefabricated options for cost savings.

4. **Permitting Process:** Submit your plans to the Long Beach Building and Safety Bureau. Typically, the permitting process can take several weeks, so factor this into your timeline.

5. **Construction:** Once permits are approved, construction timelines can vary from 3 to 9 months depending on complexity and contractor availability.

6. **Inspection and Compliance:** Ensure all construction is inspected and conforms to local building codes.

**Tips and Warnings:**
- **Avoid Common Mistakes:** Ensure you have a clear understanding of utility hookups and potential impact fees, which can significantly affect your budget.
- **Consider Future Needs:** Design with future flexibility in mind to adapt to changes in family needs or rental market demands.
- **Engage Professionals:** Work with experienced local professionals who can navigate the specific requirements and challenges of Long Beach.

**Next Steps:**
- Contact Long Beach Development Services for zoning confirmation.
- Set up consultations with local architects and builders.
- Explore financing options if needed, such as home equity loans or ADU-specific financing products.

By following these steps and leveraging local resources, you can effectively add multiple ADUs to your property while adhering to Long Beach's regulations. Best of luck with your project, and feel free to reach out for further guidance as you progress!

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
Walk-in closets
Full kitchen island
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
Multiple closets
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
Ready to Explore More ADU Designs?

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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
Ready to Start Your ADU Project?

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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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