Accessory Structures in Sherman, TX (2026)
3 verified accessory structures rules for Sherman, Texas, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
In the City of Sherman, Texas, § 14.04.002(c)(5) allows an accessory dwelling only on a lot of at least 12,000 square feet zoned R-A, R-E, R-12 or R-6, with one accessory dwelling per lot. The unit is treated as an accessory building, so it needs a permit and must meet the siting setbacks.
Sherman TX Accessory Dwelling Unit Rules
Significant RestrictionsSherman Code of Ordinances § 14.04.002
(2) Accessory buildings attached to the primary building are considered an extension of the primary building and shall be subject to the regulations that apply to the primary building including, but not limited to, building setbacks. (3) Accessory buildings may be permitted within the allowable building area of any lot defined by the required front, side, and rear building lines. ... (5) An acc...
ADU Rental Restrictions
In the City of Sherman, Texas, § 14.04.002(c) states that no accessory building shall be rented or leased and none can be used for commercial purposes. Because § 14.08.001 defines an accessory dwelling as an accessory building, a backyard dwelling unit falls under the same ban.
Sherman TX Accessory Building Rental and Commercial Use Ban
Heavy RestrictionsSherman Code of Ordinances § 14.04.002
(4) No accessory building shall be rented or leased. ... (6) No accessory building shall be used for commercial purposes.
Shed & Carport Rules
In the City of Sherman, Texas, a detached shed in a residential district needs a building permit and inspection under § 14.04.002 and must sit at least five feet from the rear and interior side lot lines. A freestanding portable shed of 100 square feet or less and under eight feet tall is exempt from the permit.
Sherman TX Shed and Accessory Building Rules
Some RestrictionsSherman Code of Ordinances § 14.04.002
(3) Accessory buildings and structures must have a rear and an interior side yard setback of not less than five (5) feet. ... (7) A portable storage shed is considered an accessory structure; however, it is not subject to a building permit nor the side or rear yard setback requirements provided that it meets the following: (A) It is less than or equal to 100 square feet in floor area and less t...