If you smell gas in an Upper Marlboro home, get out first and then call 911 and your gas utility, the company on your gas bill, or your propane supplier if you use propane. For leak repairs, new appliance lines and gas water heater or furnace replacements on your side of the meter or tank, call the number on this page to be connected with a local plumber in Upper Marlboro.
The Town of Upper Marlboro is the county seat and is tiny, with a few hundred residents, but the Upper Marlboro mailing area covers about 77 square miles of unincorporated county, from new developments like Westphalia to horse-farm countryside. Washington Gas and BGE both serve parts of Prince George's County, and rural parts of the area may have no gas main, so propane and all-electric homes are possible. Your bill tells you which applies.
What to do now
- Odor? Leave the house. Don't operate switches, appliances or the garage door on the way out.
- Call from outside. Dial 911, then the gas utility on your bill or your propane supplier.
- Don't go back in until cleared. The utility, supplier or fire department will tell you when.
- Book the repair. Leaks past the meter or the propane regulator are a plumber's job, followed by a pressure test.
- Planning new gas work? List each appliance you plan to add so the line is sized once.
Symptoms and likely causes
| Symptom | Likely cause |
|---|---|
| Odor near an outbuilding or generator | Loose fitting or a leak on a buried run |
| Strip of dead grass across the yard | Possible underground gas leak |
| Weak flames when the furnace runs | Line undersized for the total load |
| Pilots out after a propane refill | Air in the lines; needs a leak check and relight |
| Yellow flames and soot | Combustion or venting problem |
Cost factors
On larger properties, long buried runs to a garage, barn or generator pad are the main cost driver, along with trenching and a Miss Utility locate. Indoors, price depends on distance from the meter or tank, whether the main line needs upsizing, and how much finished space is in the way. The median home in the area was built around 1982, so many houses still have original piping that may need valves or connectors replaced along the way. Permits add to every job: Prince George's County says all plumbing permits are issued by WSSC Water, water heater replacements need one, and WSSC requires gas water heater replacement and other gas work to be done by a plumber or gasfitter holding a WSSC license. The town itself links to the county's DPIE for building permits.
Gas Line Services questions in Upper Marlboro
Which gas company serves my address?
We use propane. Who should we call about a leak or new piping?
Can gas be run outside to a grill, patio heater or generator?
How is new gas piping tested before it is turned on?
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