A plumbing inspection in Manassas covers the water heater, supply and drain lines, fixtures, shutoffs and gas connections, with a sewer camera run available. The City runs its own water and sewer and is served by Columbia Gas, so some details differ from neighboring Prince William County. Call the number on this page to be connected with a local plumber in Manassas.

What happens when you call
You'll reach an independent local plumber who works in Manassas. Have the address handy and say whether it's inside city limits, since the City and Prince William County handle permits differently. Mention the year built, any deadlines and anything you've already noticed, like a slow drain or a noisy water heater. The plumber can then say whether a camera run is worth adding and how long the visit will take, so it fits inside your inspection window with time to spare for quotes.
Cost factors
- Home size and the number of bathrooms
- Whether a camera run of the sewer line is added
- Access to the heater, main shutoff and cleanout
- Number of gas appliances to look at
- Whether you need a written report
Local conditions in Manassas
Manassas is an independent city and the Prince William County seat, with a historic Old Town and neighborhoods built over several decades; the median home dates to about 1985. That puts many houses at the age where original water heaters, valves and supply connectors start to give trouble.
City of Manassas Water & Sewer supplies most of its water from Lake Manassas, treated at the City plant, with supplemental water from Prince William Water at peak times. It's disinfected with chlorine and is relatively soft, about 47 ppm total hardness, so scale is a smaller issue than in much of the region. The City has published a service line material inventory online.
Gas here is Columbia Gas of Virginia, not Washington Gas. If you smell gas, leave the house, call 911, then Columbia Gas at 1-800-544-5606. The City's after-hours line, 703-257-8353, is for water, sewer and electric problems. Inside city limits, repair permits come from City of Manassas Development Services; addresses outside the city go to Prince William County. The City also runs a cross-connection program, so if there's an irrigation system, ask the seller for any test records.
Before the plumber arrives
- Clear a path to the water heater, main shutoff and cleanout
- Note fixtures that drip, run or drain slowly
- Gather receipts for water heater or sewer work
- Have the contract dates ready
Plumbing Inspection questions in Manassas
How hard is the water, and what does that mean for fixtures?
Does the inspection include gas piping, and what if I smell gas?
My mailing address uses the town's name, but I'm outside its limits. Whose rules apply?
How can I find out what my water service line is made of?
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