ADU rules in Sarasota County, FL — also called accessory dwelling unit regulations or granny flat ordinances — cover setbacks, owner-occupancy, parking, and permit requirements.
Unincorporated Sarasota County allows one accessory dwelling unit per lot in designated residential districts, up to 750 square feet with a full kitchen and bath. The owner must occupy either the ADU or the principal home, it must match the main house in height and style, and it can't be
Sarasota County's Unified Development Code (adopted via Ordinance No. 2019-024, effective 9/25/2019) permits one accessory dwelling unit (ADU) per lot in eligible residential districts including RSF, RSF/PUD and Residential Estate (RE). The maximum floor area is 750 square feet and the unit may contain a full kitchen and bath. The ADU's height may not exceed the principal structure, and its roof style, materials and finish must have a similar appearance to the main home. One off-street parking space is required per ADU (tandem or grass/shell surfacing allowed, but not street parking), the owner must occupy either the ADU or the principal dwelling, and the ADU is excluded from density calculations. ADUs may not be rented for periods shorter than 30
Building or renting an ADU that exceeds 750 square feet, violates the owner-occupancy rule, or is rented under 30 days is a code violation enforced by Sarasota County Code Enforcement.
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