ADU Knowledge
March 17, 2025

How to Get ADU Permits in Somis: Step-by-Step Guide for Homeowners

Argi Avetisyan
Argi Avetisyan
Gather ADU expert
How to Get ADU Permits in Somis: Step-by-Step Guide for Homeowners
Not sure where to start with your ADU project?

Schedule a free appointment with one of our ADU experts.

Book a call

Accessory Dwelling Units (ADUs) have emerged as a practical solution for homeowners seeking to enhance their property’s functionality and value. Whether you’re aiming to create additional living space, generate rental income, or accommodate family members, constructing an ADU can be a rewarding endeavor. However, the process of obtaining ADU permits in Somis, California, requires careful planning and adherence to local regulations. This detailed guide will walk you through the essential steps to secure ADU permits, ensuring your project aligns with Somis’s requirements and your personal goals.

Understanding ADUs and Their Advantages

Before delving into the permitting process, it’s crucial to grasp what an ADU is and why it might be a valuable addition to your property. An ADU, often referred to as a secondary suite, backyard cottage, or in-law unit, is a self-contained living space on a single-family residential lot. These units can be detached, attached, or created through the conversion of existing structures like garages. ADUs offer numerous benefits, including:

  1. Enhanced Living Space: ADUs can serve as a home office, guest house, or creative studio, providing flexibility for homeowners.
  2. Rental Opportunities: Renting out an ADU can generate supplemental income, helping offset property expenses.
  3. Multigenerational Living: ADUs are ideal for housing aging parents or adult children, offering privacy while keeping loved ones nearby.
  4. Increased Property Value: A well-designed ADU can significantly boost your property’s market appeal and resale value.

Step 1: Familiarize Yourself with Local ADU Regulations in Somis

The first step in building an ADU is understanding the local regulations that govern their construction. In Somis, as in other parts of California, ADU laws are designed to encourage the development of these units to address housing shortages. However, specific requirements can vary by jurisdiction.

Key considerations include:

  1. Zoning Laws: Verify that your property is zoned for an ADU. Most single-family residential zones in Somis permit ADUs, but it’s essential to confirm this with your local planning department.
  2. Size Limitations: ADUs in Somis typically range in size, with many falling within a specific square footage range. Be sure to check the maximum allowable size for your property.
  3. Setback Requirements: Setbacks dictate how far your ADU must be from property lines, existing structures, and streets. These requirements ensure adequate spacing and privacy.
  4. Parking Rules: Some jurisdictions require additional parking spaces for ADUs, though recent state laws have relaxed these requirements in certain cases.
  5. Design Standards: Somis may have specific design guidelines to ensure ADUs complement the existing neighborhood aesthetic.
__wf_reserved_inherit
bedroom design

Step 2: Select the Ideal ADU Design

Once you’ve confirmed that your property is eligible for an ADU, the next step is selecting a design that meets your needs and complies with local regulations. The design phase is critical, as it sets the foundation for the entire project.

Consider the following factors when choosing your ADU design:

  1. Intended Use: Will the ADU serve as a rental unit, a home office, or a living space for family members? Your intended use will influence the layout, size, and features of the unit.
  2. Available Space: Assess your property to determine the best location for the ADU. Consider factors like sunlight, privacy, and access to utilities.
  3. Aesthetic Appeal: Your ADU should complement the main house and the surrounding neighborhood. Work with a designer or architect to create a cohesive look.
  4. Energy Efficiency: Incorporating energy-efficient features, such as solar panels or high-performance insulation, can reduce long-term operating costs and appeal to environmentally conscious tenants.

Schedule a call with our ADU specialists

Step 3: Prepare and Submit Your Permit Application

With your design in hand, the next step is to prepare and submit your permit application to the Somis planning department. This step is often the most time-consuming and complex part of the process, but thorough preparation can help expedite it.

Your permit application will typically include:

  1. Site Plans: Detailed drawings showing the location of the ADU on your property, including setbacks, access points, and utility connections.
  2. Architectural Plans: Floor plans, elevations, and cross-sections of the ADU, illustrating its design and layout.
  3. Engineering Reports: Structural, electrical, and plumbing plans, often prepared by licensed engineers.
  4. Title 24 Compliance: California’s energy efficiency standards require ADUs to meet specific criteria for insulation, lighting, and HVAC systems.

Step 4: Navigate the Review and Approval Process

Once your application is submitted, it will undergo a review process by the Somis planning and building departments. This process can take several weeks or even months, depending on the complexity of your project and the workload of the reviewing agencies.

During this time, you may be asked to provide additional information or make revisions to your plans. Staying proactive and responsive can help keep the process on track. Once your application is approved, you will receive your building permits, allowing construction to begin.

Step 5: Begin Construction

With permits in hand, you can move forward with construction. Hiring a licensed general contractor is essential to ensure your ADU is built to code and meets all safety standards. During construction, your project will be subject to inspections at various stages, including foundation, framing, electrical, and plumbing.

Step 6: Final Inspection and Occupancy

Once construction is complete, your ADU will undergo a final inspection to ensure it complies with all building codes and regulations. After passing inspection, you will receive a certificate of occupancy, allowing you to use the ADU as intended.

Why Partnering with Professionals Matters

Building an ADU is a significant investment, and navigating the permitting and construction process can be challenging. Partnering with experienced professionals, such as architects, contractors, and ADU builders, can save you time, money, and stress. These experts bring valuable knowledge of local regulations, design trends, and construction best practices, ensuring your project is a success.

Conclusion

Securing ADU permits in Somis may seem daunting, but with careful planning and the right team, it’s an achievable goal. By following this step-by-step guide, you can navigate the permitting process with confidence and bring your ADU vision to life. Whether you’re building an ADU for rental income, multigenerational living, or personal use, this investment can enhance your property’s value and functionality for years to come. Start your ADU journey today by consulting with local experts and taking the first step toward creating your dream space.

Schedule a call with our ADU specialists

Popular ADU Floorplans

Malibu
Malibu
Starting At:
$ 950.00 USD
1,000 SQFT
3 Bed / 2 Bath
Monterey
Monterey
Starting At:
$ 950.00 USD
750 SQFT
2 Bed / 1 Bath
Topanga
Topanga
Starting At:
$ 750.00 USD
600 SQFT
1 Bed / 1 Bath
Carmel
Carmel
Starting At:
$ 750.00 USD
500 SQFT
1 Bed / 1 Bath
Sonoma
Sonoma
Starting At:
$ 750.00 USD
400 SQFT
1 Bed / 1 Bath
Marina
Marina
Starting At:
$ 750.00 USD
300 SQFT
Studio / 1 bath
gather adu team

Not sure where to start with your ADU project?

Close

Not sure where to start with your ADU project?

Book a free call