W. Va. Code § 8-40-4: Limited conditions.

(a) A municipality shall not require a person as a condition of operating a home-based business to:

(1) Rezone the property for commercial use;

(2) Install or equip fire sprinklers in a single-family detached residential dwelling or any residential dwelling with not more than two dwelling units; or

(3) Obtain a license or permit that is not otherwise required for a similarly situated business.