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What Are the Most Common Pests in Maryland?

From the sandy beaches of Assateague Island to the sprawling forests of Catoctin Mountain Park, Maryland’s natural beauty is unparalleled. But hiding among all that natural wonder are many different species of insects and rodents that can easily get into your home or business.

Knowing which pests are most common in your area can help you take preventative measures and address infestations promptly.

In this blog post, the experts at Home Paramount Pest Control discuss the most common pests in Maryland, identifying the signs of infestation and explaining the potential hazards associated with each.


One of the most common pests in Maryland homes and businesses, ants are small insects often found near food and water sources. Signs of an ant infestation include visible trails of ants congregating near food sources and small piles of debris near entry points, such as windows or doors.

Most ants are harmless; however, some species, like carpenter ants, can cause severe structural damage to your wooden fixtures and furniture as they burrow inside the wood to make their nests. Ants can also contaminate food and surfaces, posing potential health risks.


Cockroaches are resilient pests that thrive in warm, humid environments. In Maryland, they’re commonly found in kitchens, bathrooms, and basements. Common signs of a cockroach infestation include:

  • Droppings
  • Shed skins
  • Must odors
  • Smear marks

Cockroaches are capable of spreading bacteria and allergens, which can cause significant health issues, such as food poisoning and respiratory problems. Their presence can also trigger asthma attacks in sensitive people.


Small rodents capable of squeezing into tiny openings to enter homes and businesses, mice are commonly found in Maryland attics, basements, and kitchens. Mice infestations can be easily identified if you notice:

  • Gnaw marks on food packaging
  • Droppings on counters or floors
  • Nesting materials like shredded paper or fabric

Mice can cause significant property destruction, chewing on wires, insulation, and structural components. They can also spread diseases through their droppings and urine.


Spiders are another common pest in Maryland, with some species more problematic than others. The Black Widow spider is a top concern for those living in Maryland. These spiders are extremely poisonous and can leave painful bites, leading to serious health complications.

Signs of a spider infestation typically include the increased presence of webs, egg sacs, and spider sightings throughout the property. It’s important to address spider populations promptly to prevent a painful bite.


Termites can cause extensive structural damage when left untreated, a major concern for all Maryland property owners. These wood-destroying insects often go undetected until significant damage has already occurred.

Signs of a termite infestation include:

  • Discarded wings
  • Mud tubes on exterior walls
  • Hollow-sounding wood
  • Frass

Termites can compromise a building’s integrity, leading to costly repairs. Their presence can also attract other pests, compounding the problem.

Get a Free Pest Inspection in Maryland

If you suspect a pest infestation in your home or business, don’t wait until the problem gets worse. Home Paramount Pest Control offers the free pest inspections Maryland property owners need to identify any pest issues and provide effective solutions to keep your space pest-free.

Offering eco-friendly solutions that target the root cause of your infestation without harming your surrounding ecosystem, we ensure lasting results that won’t damage your property.

Request a free pest inspection in Maryland by contacting our extermination experts today.

Home Paramount Pest Control technician with a homeowner Home Paramount Pest Control technician with a homeowner

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Providing Reliable Pest & Wildlife Solutions Since 1939

At Home Paramount Pest Control, we have been dedicated to delivering reliable pest and wildlife management solutions for over 85 years. Our long-standing presence in the industry speaks volumes about our commitment to excellence and customer satisfaction. When you trust our team, you can always count on:

Call us at 888-888-4663 to get started with a free pest inspection for your property today!

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