Accessory Structures in Seminole County, FL (2026)
2 rules for unincorporated Seminole County, Florida.
Verified from official government sources
Note: These county rules apply to unincorporated areas of Seminole County. If you live within an incorporated city, that city's own rules apply: see the city list below.
ADU Rules
Unincorporated Seminole County allows accessory dwelling units under Land Development Code Sec. 30.6.1.3, but the owner must live in either the ADU or the primary home, the ADU can't be sold separately, and it can't be used as a short-term rental.
Accessory Dwelling Unit (ADU) Rules in Unincorporated Seminole County
Some RestrictionsSCLDC Sec. 30.6.1.3
ADUs shall not be subdivided or otherwise conveyed into separate ownership from the PDU. ADUs shall be rented or leased for a minimum period of thirty (30) days, and may not be utilized as a short-term rental property.
Shed & Carport Rules
In unincorporated Seminole County, a small shed under 200 square feet and under 12 feet tall keeps your zoning district's side-yard setback and needs a minimum 10-foot rear setback. Bigger sheds must meet the full setbacks of the main house.
Shed Rules and Setbacks in Unincorporated Seminole County
Some RestrictionsSCLDC Sec. 30.7.2
Accessory structures under 200 sq. ft. in size and under 12 feet in height shall maintain the same side yard district requirement applicable to the main residence and a minimum 10 ft. rear yard setback.
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