Red Flags in Your Home: Signs Of A Pest Problem

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Discovering unwanted pests in your home can be an unsettling experience. From crawling insects to uninvited rodents, pests can cause significant damage and pose health risks to you and your family. Detecting the early signs of a pest infestation is crucial in preventing an issue from escalating into a full-blown problem. This article will highlight a few common red flags that indicate a pest problem in your Colorado home.

Spiders are showing up inside the house

While we absolutely agree spiders are pests, they’re also an indication that other pests are afoot. You see, the diet of spiders is insects. If you’ve noticed more spiders building webs, scaling walls, and lurking about, that’s a good indication that there’s other bugs around. Haven’t noticed insect activity though? That doesn’t mean they aren’t there. They could be hiding under the kitchen sink near a leaky pipe, nesting in a wall void, or hiding out in the pantry.

cat staring at the wall

Your pets are acting strange

It’s not uncommon to observe pets acting strange when pests infest homes. Not only do cats and dogs possess superior smelling abilities, but they can also hear mice in walls and other pest activity that’s out of sight. If your pet has suddenly taken to staring at the wall, don’t ignore this red flag.

You’re hearing noises in the walls and ceilings at night

Unusual sounds coming from within your walls, ceiling, or hidden spaces can be a clear indication of pests. For instance, rats and mice often scurry around, creating scratching, squeaking, or gnawing noises. Additionally, carpenter ants and termites may create a distinct tapping or rustling sound as they tunnel through wood. Pay attention to any persistent noises, especially at night when pests are typically more active.

There’s a foul odor present

Unpleasant odors that persist despite your best efforts to maintain cleanliness might indicate a pest problem. Certain pests, like rodents, have a distinctive musky smell. Similarly, a musty odor could point to the presence of mold caused by excessive moisture, which can attract pests like cockroaches. A pungent, ammonia-like smell may arise from urine left behind by pests. A foul odor could also mean there’s a dead mouse in the walls. If you notice persistent and unusual odors in your home, it's worth investigating further.

Something has left droppings behind

Pest droppings are another telltale sign that you have unwanted visitors in your home. These droppings can vary in size, shape, and color, depending on the type of pest. For example, rodent droppings are small, dark, and pellet-like, while cockroach droppings are smaller and resemble coffee grounds. And let’s not forget to mention bed bugs – when these biting pests infest, they may leave behind tiny dark spots or stains on your bedding or furniture.

You’ve actually spotted pests

Of course, this one is obvious; if you’ve laid eyes on insects crawling or flying in your home or spied a rodent sneaking along the edge of the room, you’ve definitely got a pest problem. Do not ignore this major red flag. A lot of times (but not all the time), pests are able to avoid detection and the problem only becomes apparent when there’s a larger infestation going on.

What to do if red flags are popping up inside your home

Recognizing the red flags of a pest problem early on can save you from significant headaches and potential damage to your home. If you suspect a pest problem, it would greatly benefit you to schedule a pest inspection. Fully licensed and highly trained pest control specialists will be able to assess the situation and provide appropriate treatment, if necessary.

Reach out to EnviroPest for effective home pest control

If you’re looking for a Colorado pest control company that can help you find and exterminate pest problems in your home, contact EnviroPest today. Our local pest control pros offer effective home pest control services in Denver, Boulder, Colorado Springs, and Loveland as well as elsewhere in Northern Colorado. Don’t wait for pest activity to get worse!

colorado's choice complete home pest control

Colorado's Choice Smart Service 

Our Colorado's Choice Smart Service is the most comprehensive home pest control plan EnviroPest targets 30+ pests and includes four seasonal visits and 24/7 digital rodent monitoring. 

Pests covered under the Colorado's Choice Smart Service includes:

  • Ants (Carpenter ants, odorous house ants, pavement ants, sugar ants)
  • Beetles
  • Centipedes
  • Earwigs
  • Mice
  • Rats
  • Spiders (House spiders, rock spiders, wolf spiders, black widow spiders)
  • Wasps (Baldfaced hornets, paper wasps, yellow jackets)
pest control customer longmont co


‟Always very professional and informative during each interaction. Also, the mice have not come back and we are pest-free.”
Kristine B.
Longmont, CO
EnviroPest received an average rating of 4.6 out of 5 stars from 2439 reviews. 4.6 Read All Reviews



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