Remove overripe fruit and vegetables
Store produce in the refrigerator
Take out trash and compost regularly
Clean drains with boiling water and drain cleaner
Wipe down counters, sinks, and spills
Empty and scrub trash cans
Wash dishes promptly
Check for and discard rotting food in cabinets
Fix leaks and remove standing water
Use apple cider vinegar traps
Use a bowl of wine or fruit juice with dish soap
Cover drains and food containers
Replace old sponges, mops, and dish rags
Vacuum visible flies and larvae
Clean sink disposals and garbage disposals
Keep windows and doors screened
Use sticky traps near problem areas
Water houseplants less often
Remove decaying plant matter from soil
Let soil dry out between waterings
Replace heavily infested potting soil
Use mosquito dunks or beneficial nematodes for fungus gnats
Seal cracks and entry points
Maintain regular kitchen cleaning
Repeat traps and cleaning until gone