What is an ADU?

An Accessory Dwelling Unit (ADU)is a secondary living unit that has a separate kitchen, bathroom, and sleeping area, that exists within or on the same lot as a detached dwelling also know as a single-family home.  It could be detached, attached, interior (Upper Level), above garage or garage conversion.


Benefits of ADUs

  • Missing Middle Housing

  • Aging in Place

  • Multigenerational Households

  • Affordable Housing

  • Income Generation


In Pinellas County, Florida, accessory dwelling units (ADUs) must adhere to the following requirements:

  • Size: ADUs cannot exceed 750 square feet or 50% of the gross floor area of the primary dwelling whichever is less.  For example, if you have a 1,200 sqft home, the max ADU size you could build would be 600 sqft.  Larger ADUs may be approved with a Type 2 review.

  • Number: Only one ADU is allowed per parcel of ownership.

  • Occupancy: ADUs cannot have more than two people per bedroom, plus two additional people in a common area, with a maximum occupancy of 10 people.

  • Utility Connection: ADUs cannot have a separate metered utility connection.

  • Owner Occupancy: The primary dwelling must be owner-occupied.

  • Setbacks and Lot Coverage: All setbacks and lot coverage provisions must be met.

  • Architectural Style: The ADU must match the architectural style of the existing home.

  • Egress: The ADU must have two means of egress.

  • Parking: The ADU must have an additional parking space on the property.



It’s crucial to consult with a licensed professional to ensure your property and ADU comply with all local zoning laws and regulations. Contact Blue Hawk Exchange, and they will arrange for a licensed contractor to assess whether you can build an ADU on your property.