In response to California’s housing shortage, Accessory Dwelling Units (ADUs)—also known as granny flats, in-law units, or backyard cottages—have gained momentum in Sacramento as a practical, affordable solution. These secondary residential units, built on single-family lots, offer homeowners opportunities to generate rental income or create flexible living space for extended family members.
ADUs in Sacramento: Streamlined and Accessible
Recognizing the growing demand for housing, the City of Sacramento has made efforts to simplify and encourage ADU development. In 2018, the city adopted an ADU ordinance aligned with California state law, designed to reduce barriers, limit excessive local regulations, and cap impact fees—making ADU construction more accessible to homeowners.
Key Sacramento ADU Regulations and Benefits
Types of ADUs Allowed
Sacramento permits both:
- Attached ADUs – part of the main residence, like a converted garage or basement
- Detached ADUs – separate structures built in the backyard or side yard
Size and Height Limitations
- Detached ADUs: Up to 1,200 square feet
- Attached ADUs: Up to 50% of the existing living area
- Height limits: Typically range from 14 to 25 feet, depending on zoning
Parking Requirements
Additional parking is not required if the ADU meets certain conditions, such as being located within ½ mile of public transit—making urban development more seamless.
Rental Opportunities
There are no rental restrictions on ADUs in Sacramento. Homeowners are free to rent them to tenants, making ADUs a viable income-generating investment.
Fast-Tracked Permitting
Sacramento offers an expedited ADU permit process, including concurrent planning reviews for qualified projects. This makes it easier and quicker to get started with construction.
Why Build an ADU in Sacramento?
Building an ADU is not only a way to increase property value and create multi-generational living options, but also supports the city’s broader goals for affordable housing and urban density. With clear guidelines, reduced fees, and flexible use options, Sacramento remains one of the most ADU-friendly cities in California.