Va. Code § 15.2-1102
A municipal corporation shall have and may exercise all powers which it now has or which may hereafter be conferred upon or delegated to it under the Constitution and laws of the Commonwealth and all other powers pertinent to the conduct of the affairs and functions of the municipal government, the exercise of which is not expressly prohibited by the Constitution and the general laws of the Commonwealth, and which are necessary or desirable to secure and promote the general welfare of the inhabitants of the municipality and the safety, health, peace, good order, comfort, convenience, morals, trade, commerce and industry of the municipality and the inhabitants thereof, and the enumeration of specific powers shall not be construed or held to be exclusive or as a limitation upon any general grant of power, but shall be construed and held to be in addition to any general grant of power. The exercise of the powers conferred under this section is specifically limited to the area within the corporate limits of the municipality, unless otherwise conferred in the applicable sections of the Constitution and general laws, as amended, of the Commonwealth.
Va. Code § 15.2-1102