How Alex Transformed a San Francisco Multi-Family Property Using AI-Powered Insights

Discover how Alex leveraged AI to navigate zoning and permits for a lucrative remodel and ADU project in San Francisco.

Sunwoo Kim•4 months ago

How Alex Transformed a San Francisco Multi-Family Property Using AI-Powered Insights

Introduction: A New Chapter in Property Investment

Meet Alex, a seasoned real estate investor with a keen interest in the dynamic property market of San Francisco. Having successfully managed a portfolio of residential properties across California, Alex was no stranger to the challenges and opportunities in the real estate sector. However, when he stumbled upon an intriguing multi-family property at 2335-2337 Balboa St, San Francisco, CA 94121, he knew he needed a strategic approach to maximize its potential.

His goal? To remodel and repair the existing structure, while also exploring the possibility of adding Accessory Dwelling Units (ADUs) to boost rental income. The complexity of San Francisco's zoning laws, coupled with the city's rigorous permit requirements, prompted Alex to seek a technological ally. Enter GoCodebook AI, a tool designed to demystify property regulations and streamline the development process.

The Property: A Hidden Gem in San Francisco

Location and Parcel Information

  • Address: 2335-2337 Balboa St, San Francisco, CA 94121
  • Lot Size: Approximately 1,611 square feet
  • Current Zoning: RH-2 (Residential, House – Two Family)
  • Existing Structure: Two spacious 2-bedroom, 1-bathroom units and a newly permitted studio

Situated in the vibrant Richmond District, this property held immense potential. However, with a lot size of just 1,611 square feet, the physical constraints were significant. The RH-2 zoning designation allowed for two dwelling units per lot by right, which aligned with the current configuration. But could Alex add another unit under San Francisco's ADU program?

The Goal & Analysis: Maximizing Rental Income

Alex's primary objective was to enhance the property's rental income by remodeling the existing units and adding ADUs if feasible. He planned to hire a contractor to handle the renovations, focusing on the kitchen, living areas, bedroom, bathroom, and exterior. With an estimated budget of $400,000 and a timeline of 8 months, Alex was eager to get started.

Aware of potential zoning and permit concerns, he turned to GoCodebook AI for a comprehensive analysis, seeking insights into the general remodel process, permit requirements, and ADU feasibility.

Key Findings: Insights from GoCodebook AI

1. General Remodel Process (Non-Structural, Multiple Units)

Planning & Design:

  • Define the scope for remodeling kitchens, baths, living spaces, and exteriors.
  • Permits will focus on interior alterations, such as mechanical, plumbing, and electrical work, rather than major structural changes.

Hiring a Contractor:

  • San Francisco mandates licensed contractors for nearly all work. Alex received bids from several contractors, ensuring they were licensed and insured.

Permits & Approvals:

  • Building permits could be obtained via the SF Department of Building Inspection (DBI).
  • For non-structural interior work, an “over-the-counter” permit might suffice.
  • Exterior remodels visible from the street could require Planning Department approval.

Inspections:

  • Each trade (building, electrical, plumbing) would be inspected separately.
  • Final sign-off would occur once all work matched plans and complied with code.

2. Zoning & Use Restrictions (RH-2 Zone, Small Lot)

  • Zoning: RH-2 allows up to two dwelling units per lot by right.
  • ADU Program: San Francisco’s ADU program often permits additional units in RH zones with some code waivers.

Key Zoning Factors:

  • Lot Size: 1,611 sqft, with setbacks and open space rules further limiting the buildable area.
  • Existing Units: Two legal units and a newly permitted studio, suggesting three legal dwelling units.

3. ADU Program Feasibility Insights

San Francisco ADU Program Highlights:

  • ADUs can be added to existing multi-family buildings, often using non-livable space like basements or garages.
  • Setbacks/Height/Coverage: ADUs inside the existing envelope usually have relaxed setbacks.

Feasibility Considerations:

  • Examine available basement/garage space for conversion.
  • Consider utilities: Each ADU needs independent hookups or sub-meters.
  • Be aware of life safety upgrades, such as additional egress and sprinklers.

4. Permit Requirements & Process

ADUs:

  1. Planning Review: Submit preliminary plans to the Planning Department for eligibility, unit count, and design review.
  2. Building Permit Application: Submit plans and contractor information to DBI.
  3. Neighborhood Notification: Most ADUs are exempt unless major exterior changes are involved.
  4. Inspections & Compliance: Ensure all work aligns with the California Building Code and local guidelines.

5. Restrictions & Special Concerns

  • No Tenant Occupancy: Simplifies the process—tenant relocation or protection requirements are not triggered.
  • Historic Status: Not flagged, but verification with Planning is advised.

The AI Recommendation: Unlocking ADU Potential

GoCodebook AI provided a clear path forward for Alex. By leveraging the ADU program, he could potentially add one or more units, depending on the classification of the new studio. The AI confirmed that at least one ADU could be added to the existing structure from non-livable space, subject to San Francisco Planning Code Section 207.2.

Practical Steps Forward

  1. Verify Studio Classification: Confirm whether the studio is considered an ADU or a primary unit.
  2. Assess Lot for Detached ADUs: Determine feasibility based on physical constraints and setback requirements.
  3. Prepare Documents for Review: Organize all necessary documentation for planning and building permit applications.

Considerations & Next Steps

Practical Advice:

  • Permits: Start with an ADU feasibility study, engaging a designer or architect to evaluate available space.
  • Costs: Obtain detailed bids from contractors, focusing on those with ADU experience.
  • Timeline: Identify whether the project requires “over-the-counter” permits or full plan review.

Conclusion: An Informed Path to Property Enhancement

Thanks to GoCodebook AI, Alex navigated the complexities of remodeling and ADU development with confidence. The AI-powered insights streamlined the decision-making process, providing clarity on zoning regulations, permit requirements, and potential opportunities. As Alex embarks on this transformative journey, he is equipped with a comprehensive understanding of what is feasible and how to achieve it, ensuring a lucrative and successful property investment.

"ADUs may be created within the portions of existing multifamily structures not used as livable space...at least one ADU within an existing multifamily dwelling and up to 25% of the existing number of units..."