ADU SIZE & BUILDING CONSTRAINTS
If you're considering building an ADU (Accessory Dwelling Unit) in Poway, 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 Poway easy and successful.What size ADU can I build in Poway?
Poway allows for ADUs of up to 50% of your single-family residence, or 1500 sq ft (whichever is less). Regulations are slightly different for attached and detached ADUs in Poway, but in both cases, the ADU cannot exceed 1500 sq ft.Note: A minimum of 1,200 sq ft. is allowed for detached ADUs and a minimum of 850 sq ft is allowed for an attached ADU.
What is the setback requirement for an ADU in Poway?
Poway ADUs require setbacks as determined by your property’s Zone.How many ADUs can you build on your property in Poway?
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 Poway?
The square footage of any attached ADU in Poway may not exceed 50% of the primary dwelling's square footage or 1,500 sq ft, whichever is less. Regardless of the primary residence's size, you can build an attached ADU of up to 850 sq ft.Can you build a 2-story ADU in Poway?
Yes. In Poway, you can build a 2-story ADU, so long as your current single-family residence is already 2-story, and the ADU conforms with local zoning requirements.Can you convert a garage into an ADU or add an ADU on top of a garage in Poway?
Yes. In Poway, you have the flexibility to convert a garage or other existing non-livable spaces 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 Poway
Poway mandates at least one off-street parking space for your ADU, which can be located within the building setbacks or in an existing driveway as tandem parking.
See the City of Poway’s Accessory Dwelling Units General Information Sheet for more information.