Can I do a lot split under SB-9 in Fresno?

Jennifer Brown
October 19, 2025 at 10:33 PM
SB-9 (Lot Splits) Fresno, CA
Hello, fellow Fresno homeowners!

I'm hoping to get some clarity on Senate Bill 9, specifically regarding lot splits in Fresno. I've done a bit of research but still have some lingering questions. My property is about 8,000 square feet and located in a residential neighborhood. I'm considering splitting the lot to build an additional unit for my parents, who are planning to downsize soon.

From my understanding, SB-9 allows for lot splits, but I'm unsure about some details specific to Fresno. First, are there any local ordinances or restrictions in Fresno that might impact my ability to split the lot under SB-9? I heard that some cities have different interpretations or added requirements.

Secondly, my budget for this entire project is pretty tight. I’d like to know about any potential fees or costs associated with the lot split process in Fresno. Are there any hidden costs I should be aware of?

Additionally, I’m curious about the timeline. How long does it usually take to get approval for a lot split? I want to ensure I plan appropriately so I can align this with my parents' move.

Lastly, are there any specific design or zoning issues I should be aware of when planning the second unit? I’d love to hear from anyone who has gone through this process or has expert insights.

Thanks in advance for any help you can offer!

1 Answer

Ruben
October 18, 2025 at 11:25 PM
Hello there!

Navigating the intricacies of Senate Bill 9 (SB-9) for a lot split in Fresno can indeed be complex, but with the right guidance, you can make informed decisions. Let's break down your queries one by one.

### Understanding SB-9 in Fresno

**1. Local Ordinances and Restrictions:**

SB-9, signed into law in 2021, aims to streamline the process for homeowners to split their lots and build additional units. However, local jurisdictions like Fresno can impose additional regulations, provided they don't unreasonably restrict the intent of the state law. Here are some specific considerations for Fresno:

- **Lot Size:** Under SB-9, each resulting lot must be at least 1,200 square feet. With your 8,000 square foot lot, this is feasible.

- **Owner-Occupancy Requirement:** One of the units on either the original or new lot must be owner-occupied for at least three years following the lot split. This is a standard requirement under SB-9 to prevent speculative real estate development.

- **Historical Zones and Environmental Considerations:** If your property is in a historic district or has environmental concerns, additional reviews may be required. Fresno may have specific guidelines to protect such areas.

- **Local Ordinances:** Check with the City of Fresno’s Planning Department for any unique local overlays or restrictions. They might have ordinances that affect design, such as architectural style, to maintain neighborhood character.

**2. Costs Associated with Lot Splits:**

The costs for splitting a lot can vary widely based on several factors. Here’s a breakdown:

- **Application Fees:** In Fresno, the lot split application fee is generally around $2,500 to $3,500. This covers administrative costs and basic reviews.

- **Surveying and Mapping:** Hiring a surveyor to create a parcel map could cost between $2,000 and $5,000, depending on the complexity of your property.

- **Infrastructure and Utility Hookups:** Be prepared for additional costs if new utility connections are needed or if you need to upgrade existing infrastructure. These costs could range from $10,000 to $30,000.

- **Permit Fees for New Construction:** Once the split is approved, permits for building the new unit could range from $5,000 to $15,000 depending on the scope and design.

- **Hidden Costs:** Always account for potential unexpected costs such as soil testing, environmental reviews, or additional landscaping requirements.

**3. Timeline for Approval:**

Typically, the entire process from application submission to approval could take around 3 to 6 months. This includes time for:

- Initial consultations and preparing your application (1-2 months)
- City review and public hearings (if required) (2-3 months)
- Finalizing and recording the lot split (1 month)

Keep in mind that complexities or required revisions could extend this timeline.

**4. Design and Zoning Considerations:**

When planning your second unit, consider the following:

- **Zoning Compliance:** Ensure your design complies with local zoning laws. In Fresno, R-1 zoning is common for single-family neighborhoods, but SB-9 allows for duplexes, which your plans should reflect.

- **Design Harmony:** While not always a legal requirement, maintaining architectural consistency with the neighborhood can ease the approval process and keep community relations positive.

- **Parking Requirements:** SB-9 mandates no more than one parking space per unit unless the property is near public transit, where this requirement may be waived.

### Next Steps:

1. **Consult with a Local Expert:** Engage a local land use attorney or a planning consultant to navigate the specifics of Fresno's interpretations and requirements.

2. **Prepare Detailed Plans:** Work with an architect familiar with local requirements to draft plans that meet all state and local codes.

3. **Engage with the City Early:** Contact Fresno’s Planning Department early in the process to clarify any potential hurdles or unique requirements.

4. **Budget for Contingencies:** Set aside an additional 10-15% of your budget for unforeseen issues.

5. **Community Engagement:** Consider discussing your plans with neighbors to preemptively address any concerns.

### Resources:

- **Fresno Planning and Development Department:** A crucial first stop for any local regulations and initial consultations.
- **California Department of Housing and Community Development:** For broader state-level guidance on SB-9.
- **Local Surveyors and Architects:** Seek professionals with a track record of successful projects in Fresno.

By following these steps and utilizing these resources, you should be well-prepared to navigate the lot split process under SB-9 in Fresno. Best of luck with your project, and feel free to reach out with further questions!

Warm regards,

[Your Name]
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Types of ADUs in Fresno, 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.

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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.

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  • 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.

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  • 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
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ADU Cost Guide for Fresno, 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 Fresno.

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Why Build an ADU in Fresno?

Financial Benefits
Rental Income: Generate $18,000-$48,000 annually
Property Value: Increase home value by 20-30%
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Investment: Strong ROI in California markets
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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

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Cascade ADU Floor Plan - 2 Bedroom, 2 Bathroom
2 Bed 2 Bath 1,200 sq ft
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Summit ADU Floor Plan - 2 Bedroom, 2 Bathroom
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Sequoia ADU Floor Plan - 3 Bedroom, 2 Bathroom
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Types of ADUs in Fresno, CA

Understanding the different types of Accessory Dwelling Units available in Fresno, 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 Fresno, CA

Understanding ADU costs helps you budget effectively and make informed decisions about your project in Fresno, 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
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Our experts will provide a detailed cost breakdown for your specific Fresno property.

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Complete Guide to SB-9 (Lot Splits) ADUs in Fresno, CA

Understanding SB-9 (Lot Splits) for ADU Projects

ADU development in Fresno, CA involves numerous considerations specific to sb-9 (lot splits). Understanding local requirements, best practices, and potential challenges helps ensure project success.

Each ADU project is unique, with specific circumstances that influence design, permitting, and construction decisions. Professional guidance helps navigate these complexities and achieve optimal outcomes.

The GatherADU team has extensive experience with sb-9 (lot splits) aspects of ADU development and can provide expert assistance throughout your project.

SB-9 (Lot Splits) Requirements in Fresno, CA

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

Fresno has 17 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 Fresno 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 SB-9 (Lot Splits)

The GatherADU team has helped hundreds of homeowners navigate sb-9 (lot splits) challenges successfully. Our experience reveals common patterns, effective strategies, and potential pitfalls to avoid.

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ADU Development Checklist for Fresno, 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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SB-9 (Lot Splits) Fresno ADU Planning Permits
Fresno, CA

This question is specific to Fresno, CA

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