Va. Code § 15.2-2024
Notwithstanding the provisions of subsection A of § 15.2-2000, every locality, by ordinance, may require that each building that fronts on a right-of-way be numbered and such number be displayed on the primary or accompanying building or in a manner that is easily readable from the right-of-way. Every locality may adopt such rules or procedures necessary to ensure the compliance with and enforcement of the ordinance adopted pursuant to this section. The ordinance may include provisions for a civil penalty not to exceed $100 for a violation that has not been corrected within 15 days of notice of such violation. Civil penalties assessed under this section shall be paid into the treasury of the locality where the violation occurred.
Va. Code § 15.2-2024