Are ADU's Legal in California in 2024?

To address housing shortages and provide more flexible living options, many Californians are turning their attention to Accessory Dwelling Units (ADUs). As we step into 2024, questions about the legality, benefits, and processes of building ADUs are more prevalent than ever. This blog post aims to provide clarity on the legality of ADUs in California, leveraging knowledge from industry insiders and regulatory updates to give homeowners and investors a comprehensive overview.

Understanding ADUs

Before diving into the legality, it's essential to understand what ADUs are. An Accessory Dwelling Unit (ADU) is a secondary housing unit on the same lot as a primary residence. These units can be detached from the main house, attached, or a conversion of existing space like a garage or basement. ADUs offer a versatile solution to the housing crisis by creating more living space on existing residential properties.

The Legality of ADUs in California

ADUs are indeed legal in California. And especially in 2024, the state has recognized the importance of ADUs in addressing housing shortages and has passed several laws to streamline their approval process. These legislative efforts are designed to encourage the development of ADUs, making it easier for homeowners to add these units to their properties.

The state's commitment to expanding housing through ADUs is evident in its regulatory framework, which has been progressively adjusted to facilitate easier development of these units. Local jurisdictions follow state guidelines but can have specific rules regarding size, placement, and design, ensuring that ADUs integrate well into existing neighborhoods.

Key Regulations for Building ADUs

Building an ADU in California involves understanding both state laws and local ordinances. Here are some key points to consider:

  • Solar Panels: For new constructions, solar panels are required for ADUs, reflecting California's push towards sustainable living. However, for garage conversions and attached ADUs, solar panels are not mandatory.

  • Rental Regulations: Homeowners are allowed to rent out their ADUs, provided they adhere to rental period requirements. Some cities encourage renting out ADUs on Airbnb for extra income, while others restrict or completely ban using Airbnb and other short-term rental sites, preferring to have these units contribute to mid-long term housing solutions instead. For example in San Diego county, in the city of La Mesa you are able to rent out your ADU for short-term use.

  • Size and Number: The maximum size and the number of ADUs allowed on a single lot can vary by local jurisdiction, but generally, the state facilitates the development of at least one ADU and one junior ADU (JADU) per residential lot.

The Process of Building an ADU in california

The journey to build an ADU in California is marked by several steps, including checking local zoning laws, designing the unit, obtaining permits, and construction. The state has mandated that ADU applications must be approved within 60 days without a hearing or discretionary review, significantly simplifying the permitting process. This expedited process is a testament to California's dedication to increasing its housing supply through ADUs.


Ready to Build Your ADU in San Diego, Los Angeles or Orange County?

Lifehouse SD is here to turn your vision into reality, covering everything from design and permitting to construction. Click here to schedule your free 15-minute consultation with our CEO, Cärrin Johnson, today.


Conclusion

In 2024, California continues to see ADUs as an effective solution to the state's housing crisis. Simplified regulations and governmental support highlight the importance of ADUs in providing versatile housing options. Whether your goal is to enhance your property value, increase living space, or secure additional income, ADUs stand out as a strategic choice. With a streamlined process for approval and construction, an ADU project is now more accessible than ever, promising a direct route to addressing housing needs and maximizing property potential.

CJ Johnson

CEO of LifeHouseSD and ADU expert.

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Guide to Solar Panels and ADUs in California