Electricity. Dominion Virginia Power serves the Town of Colonial Beach and locations adjacent to main highways. Northern Neck Electric Cooperative serves outlying areas. The average cost per unit of electricity in Virginia's industrial sector was just 4.13 cents in Virginia, compared to 6.15 cents nationwide (2007).
Propane gas. A number of private dealers provide propane gas.
Water. Westmoreland County and the towns of Montross and Colonial Beach own and operate their own municipal water systems. Those businesses located outside the areas served by municipal water systems get their water from private water systems and individual private wells.
Sewer. Westmoreland County operates wastewater facilities in various areas throughout the county. The town of Colonial Beach also owns and operates a sewage treatment facility.
Telecommunications. Verizon Business DSL available. Metrocast telephone and internet services available.