Scrub and clean all drains with a stiff brush
Remove slime and organic buildup from drain walls, traps, and overflow openings
Flush drains with boiling water
Use an enzyme-based drain cleaner regularly
Fix leaks and eliminate standing water
Clean sink, shower, and floor drains weekly
Empty and scrub trash cans and recycling bins
Remove rotting food, fruit, and garbage
Clean mop buckets, rags, and sponges
Inspect and clean under sinks and around pipes
Seal cracks and gaps near drains and plumbing
Use sticky traps near drain areas
Cover drains when not in use
Call a pest control professional if the infestation persists