Why am I finding cockroaches in a clean house?
Finding roaches despite obsessive cleaning usually points to random visitors or neighboring units rather than an internal infestation. These stray encounters spark intense anxiety and contamination fears, leaving people unsure whether to panic or ignore it.
What the numbers show
Counted from the threads quoted below. How we count
- The most recent one is from October 2026.
- This comes up 38.2× more often in r/Pestcontrol than across the site as a whole.
What people tried
Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.
Found another way around this?
Share your steps and trade-offs so fellow engineers don't have to reinvent the wheel. No account required.
- 1Setting out glue traps between appliances and in cupboardsDid this help you?
- 2Checking whether the insects are actually German roaches or an outdoor wood roach speciesDid this help you?
- 3Assuming the roach came from outside or a bakery bagDid this help you?
- 4Killing the roach while it is runningDid this help you?
- 5Contacting the landlord or office manager to call an exterminator or treat the whole buildingDid this help you?
- 6Buying Gentrol to stop reproductionDid this help you?
- 7Spraying interior cabinets, under/behind appliances, under sinks, and along the perimeter with insecticide like Sygenta DemonDid this help you?
- 8Putting food into ziplock bags or Rubbermaid containersDid this help you?
- 9Sharing spray bottles and Gentrol discs with neighbors above, below, and on either sideDid this help you?
- 10cleaned out the filterDid this help you?
- 11scrubbed the area around the filterDid this help you?
- 12cleaned the lid of the dishwasher and the seal arround it as well as the utensil trey that goes in the doorDid this help you?
- 13run several dishwasher cleaning tablets in itDid this help you?
- 14Killing them with perimeter pest sprays like Home Defense.Did this help you?
- 15Soaking affected kitchen items and dishes in Clorox.Did this help you?
- 16Checking for gaps underneath doors leading outside.Did this help you?
- 17Having pest control spray (e.g., Alpine WSG)Did this help you?
- 18Deep cleaning the bathroomDid this help you?
- 19Installing a TubShroom on the shower drainDid this help you?
- 20Relying on cats to kill themDid this help you?
In their words
Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.
“I've seen probably 7-8 german roaches, adults and nymphs, dead and alive, over the past 17 months in my kitchen.”source ↗
“Where tf are they coming from? I don't think I have an infestation because of the glue trap experiment, and I always spot them months apart from eachother.”source ↗
“I'm super paranoid and not sure if my neighbors are just dirty or I get random visitors.”source ↗
“This morning I saw an Australian roach on the door frame.”source ↗
“I come home to my sink and what do I see?! One crawling on my dish sponge what the heck!!!!”source ↗
“I feel invaded, infected, infested lol all the -eds!!! My apartment is clean😭😭”source ↗
“Wondering what my next steps should be (this is the 3rd one I’ve found over the past couple days)”source ↗
“Im freaking out I grew up in a shelter with roaches and now I finally I bought this apartment in a new building I cant have roaches again”source ↗
“But could it have come through the garbage disposal?😭”source ↗
“Thing is I ONLY find them in the master bath. I get maybe one or two in the guest bath.”source ↗
“Those look exactly like what I was getting in my bathroom all summer! Only the master bathroom, typically in the tub or sink.”source ↗
“I am almost positive they are coming from my bathroom drain or the vent.”source ↗
“I have found what I am 99% sure is a dead cockroach in my apartment whilst cleaning out my front closet today in my unit.”source ↗
“I have severe contamination ocd so as you can imagine; I often obsessively clean and don’t even leave as much as a microscopic crumb on any surfaces.”source ↗
“I’ve never seen a cockroach in real life before but having them has always been my biggest fear.”source ↗
“Anyways, sorry for the long ramble I just am hoping for someone here to alleviate my fears— or at least be honest and tell me what my next course of action should be.”source ↗
“I moved into my apartment in May. I didn’t have any issues with pests (except termite swarmers that show up every year like a biblical plague) up to this point. In the last month I found a dead roach and a live one during the day. What prompted this post was a baby I found tonight.”source ↗
“I keep a relatively clean apartment; I don’t leave food out, I sweep regularly, I generally don’t keep a lot of dirty dishes in the sink.”source ↗
“Regardless of the cause, what can I do? I’m going to mention it to my complex because we do have pest control that comes twice a month, but I don’t understand how even with pest control and my (at least in my opinion) decent cleanliness habits, I can have enough of an infestation for one to be out during the day.”source ↗
“I grew up in a pretty gross house (lots of kids, pets, and neglectful parents), so I feel pretty lost/overwhelmed when it comes to cleaning sometimes (negative associations). I really just need any relevant cleaning advice because I feel like I’m going crazy.”source ↗
“my biggest issue lately is I will go to open the dishwasher and find live cockroaches running around in it usually either in the bottom or on the lid.”source ↗