If you smell gas in a Stone Mountain home, leave first and call 911 and Atlanta Gas Light at 877.427.4321 from outside; confirm AGL as your pipe utility on your gas bill. Leak repairs past the meter, new lines and pressure tests are plumber work, so call the number on this page to be connected with a local plumber in Stone Mountain.

When you call
The number on this page puts you in touch with an independent plumber who works on gas piping around Stone Mountain. They will ask whether the house is inside the small city or in the wider unincorporated area that shares the Stone Mountain mailing name, because that decides which office handles the permit. Then they ask about the appliance and whether AGL has shut anything off.
In an older house, a single leak is often the first sign of a system that has aged all at once. The plumber may suggest a full pressure test, which isolates the house piping and shows whether it holds. If it does not, they trace the loss to specific joints or sections and give you choices: repair the worst spots now, or replace larger runs while the crawl space is open.
What affects the price
- Age and condition of the existing gas pipe
- Crawl space or basement access
- How much pipe needs replacing versus one fitting
- Length of any new branch
- Permit and inspection
Stone Mountain conditions
The City of Stone Mountain is a historic village at the western base of the mountain, with a Main Street dating from around 1900 and large unincorporated suburbs around it. The city's utilities page lists only the Georgia Public Service Commission for gas, since the market is deregulated. Atlanta Gas Light is the expected pipe utility, though that was not confirmed for every address, so check your bill.
The city's homes are older. Census survey data put the median build year at 1979, with about 52% built before 1980. That means black iron pipe, older valves and connectors, and gas lines that have been extended as appliances changed.
Inside city limits, permits are processed for the city by Permit Service Group, with inspections by SAFEbuilt; a plumbing permit application is available from City Hall on Main Street. Unincorporated Stone Mountain addresses are not covered by the city office and go through DeKalb County instead.
Before the plumber arrives
- Find out whether the address is inside city limits
- Clear access to the crawl space or basement
- List the gas appliances in the house
- Keep any AGL tag or paperwork
- If you smell gas, get out and call
In homes this age, a pressure test of the whole system is often worth doing before any new appliance is added.
Gas Line Services questions in Stone Mountain
What gas piping issues come up in older houses?
Who issues permits for gas piping work here?
How can I tell which gas utility serves my house?
What should I do the moment I smell gas indoors?
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