During a Kennesaw plumbing emergency, close the main valve to stop the water. If you smell gas, leave the house and call 911 and your gas utility from outside; for Atlanta Gas Light that is 877.427.4321, and your gas bill confirms the utility. Then call the number on this page to be connected with a local plumber in Kennesaw.

About Kennesaw
Kennesaw is a Cobb County city with Civil War and railroad history, home to Kennesaw State University and next to Kennesaw Mountain. Most housing dates from the 1990s and 2000s; the median home was built in 1998 and about 11% predate 1980. The city does not run its own water system. Cobb County Water System serves Kennesaw for water and sewer, with a customer line at 770-419-6200 and an emergency line at 770-419-6201 for broken water lines and sewer backups.
For gas, Atlanta Gas Light is the likely pipe utility here, but its service to Kennesaw was not confirmed in the research for this page, so check the company named on your gas bill.
First steps
- Close the main where the water line enters the house.
- Turn off the water heater if it is leaking or the lines are drained.
- Switch off breakers for any wet room.
- Figure out which side of the meter it is on. Cobb owns and maintains the line from the main to the meter. The pipe from the meter to the building is the owner's.
- Call Cobb at 770-419-6201 for a break in the street or a sewer backup affecting the neighborhood.
- Call for a plumber for anything on the owner's side.
Symptoms and what they usually mean
| Symptom | Usual cause |
|---|---|
| Water spreading from the laundry area | Split washing machine hose |
| Heater leaking at the bottom | Tank failure after years of use |
| Toilets bubbling when the washer drains | Partial clog in the main drain or lateral |
| A soggy strip of lawn from the meter to the house | Leak in the owner's service line |
| Ceiling drip under an upstairs bath | Failed supply connection or drain joint |
Cost factors
- When you call. Evenings, weekends and holidays usually cost more.
- Where the leak is. Slabs and finished ceilings take more work than open basements.
- What has to be replaced. A hose versus a water heater or pipe run.
- Permits. Kennesaw Building Services enforces the 2024 International Plumbing Code with Georgia amendments, and all permits are applied for online through its iWorQ portal.
Ask about after-hours pricing when you are connected. Arrival depends on the hour and the plumber's schedule, so no specific time is promised.
Emergency Plumber questions in Kennesaw
Who handles a water main break or a sewer overflow in the street?
Water is pooling in the yard near the meter. Is that my repair or the utility's?
Can I keep using any water while I wait for the plumber?
Which plumbing problems can safely wait for a weekday?
More plumbing services in Kennesaw
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