Irrigation Systems, lighting and sprinkler system contractor – Interstate Irrigation and Lighting - Local landscape, lighting, and sprinkler system contractor. Free estimates - 1st rate quality service - Lawn sprinkler, Landscape sprinkler, Lawn irrigation system, Automatic underground watering systems, Landscape lights, Landscape lighting, irrigation systems Low Voltage Lights - We service all countiesin the metro area including, Falls Church, Alexandria, Sterling, Centreville, Fairfax, Manassas, Chantilly, Clifton, Herndon, Burke, and Gainesville Virginia Va