When a pipe bursts in Haymarket, shut off the main valve and stay away from water near outlets or cords. A plumber can find the break, replace the failed pipe and test the system. Call the number on this page to be connected with a local plumber in Haymarket.

Who do I call about a break at the street?
The Town of Haymarket lists Prince William Water for water and sewer inside town limits. Prince William Water's emergency dispatch for main breaks and outages takes calls at any hour at 703-335-7990, and customer service is 703-335-7950 on weekdays. The 20169 Haymarket postal area also covers large unincorporated stretches outside the town, and Prince William Water runs several systems in this part of the county, including Bull Run Mountain and Evergreen, which draw from public groundwater wells. Your water bill tells you who serves your address. A leak inside the house is a job for a plumber you hire.
Are newer Haymarket homes really at risk?
The median home in town was built in 1997, and much of the growth along I-66 is newer still. These homes rarely have worn-out pipe, but they still have lines in garage walls, rooms over garages and outdoor faucets that freeze when a hose is left connected. Crimp and push fittings, washing machine hoses and toilet connectors also fail without any help from the weather. The largely unchanged 1880s core along Route 55 has older buildings where original lines may still be in service.
What permits apply?
Prince William County has issued all building permits in town, including plumbing, since 2018, but applicants first need Zoning Approval from the Town; Town Hall is at 703-753-2600. A short repair often needs neither, while replacing a long run or the service line may call for both steps. Your plumber can explain which applies.
Gas safety in Haymarket
Gas in Haymarket comes from Columbia Gas of Virginia, not Washington Gas. If you smell gas while dealing with the leak, go outside, then call 911 and Columbia Gas at 1-800-544-5606. Do not flip switches or turn the water heater controls on the way out. Once the house is safe, set the heater to pilot or shut off its power so it does not run while the water is off.
Before the next cold season, disconnect garden hoses, close any inside valve that feeds an outdoor faucet and drain irrigation lines. Keep the garage door shut on frigid nights if pipes run along its walls, and take photos of any damage for your insurer before cleanup begins.
Burst Pipe Repair questions in Haymarket
What should I do with the water heater after closing the main?
Does a burst pipe repair need a permit here?
My water provider depends on the address. How do I know whom to call?
Where is the main shutoff valve in most homes here?
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