Washington Gas, a WGL Holdings, Inc. company, serves more than one million residential, commercial and industrial customers throughout Washington D.C. and the surrounding region. Today, clean-burning natural gas is the fuel of choice for more than nine out of 10 new home buyers in the D.C. metro area.

Here in our nation's capital, developers, builders, urban planners, engineers, energy policymakers and economists understand the value natural gas-based energy solutions bring to our region’s local economy. From large multi-phased and mixed-use development projects to public sector facilities, natural gas serves as the affordable, reliable, sustainable and foundational energy choice.

The map below shows the Washington Gas service territory, including Washington, D.C. and counties in Maryland and Virginia.

To begin the process of adding or converting to efficient natural gas for a property address, use the Convert to Gas tool.

WG Service Territory



Please note that some areas in Prince William, Loudoun and Fairfax County, Virginia are served by Columbia Gas, while some areas in Frederick and Prince George's County, Maryland are served by Baltimore Gas and Electric (BGE).
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Customer Service 844-WASHGAS