Accessory Structures in Sevier County, TN (2026)

1 rule for unincorporated Sevier County, Tennessee.

Verified from official government sources

Note: These county rules apply to unincorporated areas of Sevier County. If you live within an incorporated city, that city's own rules apply — see the city list below.

ADU Rules

Unincorporated Sevier County (Gatlinburg/Pigeon Forge area outside city limits) has no formal accessory dwelling unit (ADU) ordinance, but Section 406 of the Sevier County Zoning Resolution (amended December 2025) is unusually permissive: two single-family dwellings, or one duplex with customary accessory buildings, may be erected on any lot of record in any residential or agricultural zone (A-1, R-1, R-2M, R-2). Accessory buildings such as garages or sheds may not be occupied as dwelling units per the floodplain definitions in the Resolution.

ADU & Second-Dwelling Rules in Unincorporated Sevier County

Few Restrictions

Full ordinance details →Official source ↗

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