Accessory Structures in Hendersonville, TN (2026)
4 verified accessory structures rules for Hendersonville, Tennessee, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
Hendersonville allows one accessory apartment or detached accessory dwelling on a single-family lot under Zoning Ordinance Section 10.4.2.1, but only under tight conditions. The lot, principal dwelling, and accessory unit must stay under single ownership, share one water meter, one gas meter, and one driveway, and the owner must record a covenant with the Sumner County Register of Deeds binding every future owner to the same terms.
Hendersonville, TN Accessory Dwelling Unit Rules
Significant RestrictionsHendersonville Zoning Ordinance §§ 10.4.2.1, 10.4.2.3 (Ord. 2025-19, rev. 4 Feb 2026)
A. The lot, dwelling, and accessory apartment (attached to or within) or accessory dwelling (detached) shall be under single ownership and shall remain under single ownership. [...] Neither the principal dwelling nor the accessory apartment (attached to or within) or accessory dwelling (detached) may be conveyed to a separate owner (e.g., as a condominium or by any other means of conveyance). F...
ADU Owner Occupancy
Hendersonville requires the property owner to actually live in the principal home or the accessory unit at least 75 percent of the year to keep an ADU legal.
Hendersonville ADU Owner-Occupancy Rule
Some RestrictionsHendersonville Zoning Ordinance § 10.4.2.1(B)
At least one owner of the premises must reside in either the principal dwelling or the accessory apartment (attached to or within) or dwelling (detached) or both. For purposes of this section, "reside" means that this is the owner's primary place of residence for at least 75% of the year. C. The people residing in the principal dwelling, the accessory apartment, and detached dwelling must be p...
ADU Rental Restrictions
Hendersonville will not let an accessory apartment or detached accessory dwelling become a market rental. Zoning Ordinance Section 10.4.2.1.C confines occupancy of the second unit to relatives of the people in the main house, plus one owner who must live on the property at least 75 percent of the year under Section 10.4.2.1.B.
Hendersonville ADU Rental Restrictions
Heavy RestrictionsHendersonville Zoning Ordinance § 10.4.2.1(B), (C) (Ord. 2025-19, rev. 4 Feb 2026)
B. At least one owner of the premises must reside in either the principal dwelling or the accessory apartment (attached to or within) or dwelling (detached) or both. For purposes of this section, "reside" means that this is the owner's primary place of residence for at least 75% of the year. C. The people residing in the principal dwelling, the accessory apartment, and detached dwelling must be...
Shed & Carport Rules
Hendersonville allows detached sheds under 400 square feet to sit as close as 5 feet from rear and side lot lines if set back 10 feet from the house, with size caps up to 3,000 square feet by lot size.
Hendersonville Shed Setback And Size Rules
Some RestrictionsHendersonville Zoning Ordinance § 10.4.1.4(C)(1) (Ord. 2025-19, rev. 4 Feb 2026)
Accessory buildings and structures with a roof located at least 10 feet from the principal building and not exceeding 400 square feet in size are allowed to encroach in the required rear and side yards as follows: Interior Lots: May encroach to within five feet of the rear and side lot lines. Garage and carports may be within five feet of an alley...
Looking for Sumner County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Hendersonville city rules.
Accessory Structures in Sumner County →