ADU SIZE & BUILDING CONSTRAINTS
If you're considering building an ADU (Accessory Dwelling Unit) in Vista, it's important to be well-informed about the process and regulations in the city. Let’s cover the size constraints, setback requirements, and additional regulations, so you can feel confident starting your ADU project. We’ll help make your ADU project in Vista easy and successful.
What size ADU can I build in Vista?
Vista allows for ADUs of up to 1200 sq ft.
Regulations are slightly different for attached and detached ADUs in Vista, but in both cases the ADU cannot exceed 1200 sq ft.
What is the setback requirement for an ADU in Vista?
Both attached and detached ADUs in Vista must maintain a minimum four-foot setback from rear and side-yard property lines. The front yard setback requirements should adhere to applicable zoning standards and building code standards, respectively.
However, no setbacks are required if you are turning an existing and permitted accessory structure into an ADU.
How many ADU’s can you build on your property in Vista?
You may build either one attached ADU or one detached ADU on a single-family lot but not both. However, you can have both one ADU and one JADU (Junior Accessory Dwelling Unit) on the same property.
How big can an attached ADU be in Vista?
The square footage of any attached ADU in Vista may not exceed 50% of the primary dwelling's square footage or 1,200 sq ft, whichever is less. Regardless of the primary residence's size, you can build an attached ADU of up to 800 sq ft.
Can you build a 2-story ADU in Vista?
Yes. In Vista, you can build a 2-story ADU, so long as it conforms with local zoning requirements.
Can you convert a garage into an ADU or add an ADU on top of a garage in Vista?
Yes. In Vista, you have the flexibility to convert a garage into an ADU or add an ADU on top of an existing garage. This also applies to JADUs.
What are the parking requirements for ADU’s in Vista?
Vista mandates at least one parking space for most ADUs, which can be located within the building setbacks or in an existing driveway as tandem parking. However, some ADUs do not require parking spaces.
See the San Diego County’s ADU Information for more information.
What is the average time of the permitting process in the city of Vista?
The processing time for Standard permits in Vista can take up to 7 months on average.
What Next?
Navigating the ADU regulations and zoning requirements in Vista doesn't have to be daunting. Proteus Homes is here to guide you through the process and help you unlock the full potential of your property. Contact us today to start your ADU journey in Vista.