5 rules for unincorporated Seminole County, Florida.
Verified from official government sources
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.
SCLDC 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.
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.
SCLDC 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.
Converting a garage into living space in unincorporated Seminole County is a change of use that needs a building permit and zoning review; if it creates a second dwelling it must meet the county's ADU standards, and any lost covered parking usually has to be replaced.
A carport is an accessory structure in unincorporated Seminole County. If it is under 200 square feet and under 12 feet tall it keeps the side-yard setback and needs a 10-foot rear setback; larger carports must meet the main home's full setbacks.
SCLDC Sec. 30.7.2
Accessory buildings exceeding 200 sq. ft. in size and/or 12 feet in height shall meet all of the district setbacks and other requirements applicable to the main residential structure located on the same parcel.
Seminole County has no separate 'tiny home' zoning category. A tiny house on a foundation is treated as a small dwelling or accessory dwelling unit under the Land Development Code and Florida Building Code; a tiny house on wheels is treated as an RV and can't be a permanent residence
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