When black mold appears in a Union City home, stop the moisture, keep the area undisturbed and plan a contained removal if it covers more than about 10 square feet. EPA treats every color of mold the same way. Call the number on this page to be connected with a local mold remediation company in Union City.

A quick look at Union City
Union City, incorporated in 1908 and nicknamed the Progressive City, is a fully urban south Fulton County city about 12 miles from downtown Atlanta. Homes here face the same climate pressure as the rest of the metro: long, humid summers, heavy thunderstorms, AC systems that run for months and red clay that keeps water near foundations. Dark mold is usually the visible end of one of those problems, and the black color alone says nothing about how risky it is.
What to do now
- Shut off or fix the water source, whether it is a plumbing leak, a roof drip or a clogged AC drain.
- Dry anything still wet as fast as possible; EPA's window is 24 to 48 hours.
- Do not scrape, sand or bleach a large patch. Disturbing it sends spores into the air.
- Close the door to the room and turn off the HVAC if the growth is near vents.
- Keep anyone with asthma or a weakened immune system out of the area.
- If you rent, notify the landlord in writing and keep a copy.
- Get a remediation company to inspect and quote a contained removal.

Reading the signs
| What you see | Likely cause |
|---|---|
| Dark spots on a bathroom ceiling | Weak exhaust fan or steam with nowhere to go |
| Black growth under the kitchen sink | Slow drain or supply line drip |
| Staining on a wall shared with the HVAC closet | Overflowing condensate pan |
| Musty odor near floor vents | Damp crawl space or sweating ductwork |
| Mold along baseboards on an outside wall | Water pooling against the foundation |
Cost factors
Angi's Atlanta cost guide reports an average remediation cost near $2,775, most jobs between $1,249 and $4,363, and $12 to $29 per square foot. What pushes a Union City job up or down: the size of the area, whether it reaches into wall cavities or ducts, how easy it is to reach, and what has to be rebuilt. For rebuild work, the Community Development Department's Building Permits Division handles building, plumbing, HVAC and roofing permits and inspections. Union City Code Enforcement, a separate city department, is the place to report property problems a landlord leaves unfixed.
Black Mold Removal questions in Union City
Is black mold more dangerous than other mold?
Why does black mold keep coming back in the same spot?
Do I need a permit to rebuild after black mold removal?
What does black mold removal cost around Atlanta?
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