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Enjoy A Pest-Free Environment Today! Fast Response & Guaranteed Results!

At Pest Assassins, we don’t just control pests—we take them out. With expert precision and no required contracts, our licensed professionals deliver fast, effective solutions to keep your home or business pest-free.

Pest Control in Charlestown, RI

Effective Pest Control Plans for Charlestown and Washington County

Charlestown has a pest season that lasts longer than most people expect. The wooded lots, the deer cutting through your yard, the mosquitoes that come with being close to the water. Whether you're in Charlestown Village, Quonochontaug, or Shannock, pest pressure is a year-round reality, not just a summer nuisance. It starts in early spring, and for some pests, it never really stops.

At Pest Assassins, we've helped many people in Charlestown and across Washington County with pest problems. Our licensed Rhode Island technicians know what's active in this area and why, and we put together treatment plans based on what's actually going on at your property.

Our Commitment to Charlestown Residents:

  • 100% satisfaction-backed guarantee, or your money back
  • Background-checked, drug-screened technicians
  • State-licensed and fully insured in Rhode Island
  • No contracts — cancel anytime, no questions asked
  • Same-day service available when timing matters

When you need quality pest control in Charlestown, Pest Assassins is the team to assign. Call (877) 665-2667  or contact us online to schedule your free pest inspection today.

How Can We Help You?

Put a Stop to Your Pests
When you trust Pest Assassins, you can know the job will be done right the first time.
Reliable Protection, Quarter After Quarter No Contracts, Cancel Anytime—Just Consistent Pest Control!

Enjoy peace of mind with our flexible recurring service. Get expert pest control every quarter, without the commitment of a contract. You can cancel anytime, but we’re confident you’ll love the results!

Problem Pests We Target in Charlestown

Washington County's wooded terrain, wetlands, and proximity to places like Watchaug Pond and Burlingame State Park create conditions that keep pests active longer and in greater numbers than in more developed parts of Rhode Island. Deer traffic brings ticks directly into your yard, and Washington County consistently records some of the highest tick-borne illness rates in the state. Older homes and moisture-prone crawlspaces draw carpenter ants and termites. Seasonal properties that sit vacant give rodents a quiet, undisturbed place to settle in. Add warm, humid summers that keep mosquito breeding cycles going well into fall, and there's rarely a point in the year where something isn't trying to get into your home.

The pest infestations Pest Assassins can successfully treat include:

  • Deer ticks and dog ticks
  • Mosquitoes
  • Carpenter ants and pavement ants
  • Mice and rats
  • Termites
  • Wasps, hornets, and yellow jackets
  • Bed bugs
  • Cockroaches
  • Spiders
  • Fleas and earwigs

Every pest on that list has a target on its back. We have the tools, the training, and the track record in Charlestown to eliminate what's bugging you and keep it from coming back. Consider the contract out.

What Sets Us Apart?

  • Precision, Not Guesswork
    Our team is licensed in both RI & MA, trained to the highest standards, and committed to delivering meticulous pest control solutions. From thorough inspections to effective treatments, we take a detailed approach to every job.
  • No Contracts, No Hassle
    We believe in earning your business with results, not binding contracts. Our services are straightforward, effective, and flexible—cancel anytime, no strings attached.
  • On Time, Every Time
    You can count on us for prompt, reliable service with clear, upfront pricing. We respect your time, and we show up when we say we will—because trust starts with reliability.
  • Veteran-Owned, Customer-Focused
    Founded on discipline, integrity, and attention to detail, we bring a mission-ready mindset to every job. Your satisfaction is our priority, and we back it up with a guarantee.

Pest Problems Neutralized!

Hear From Our Happy Customers

Serving Smithfield, RI Since 2011

    "Amazing Service!"
    Everyone who comes out to our property does a great job, great customer service, very professional, and the treatments are very effective!
    - Ruta O.
    "Always Recommend!"
    They take the time to listen to your pest concerns, walk you through solution options, and implement the appropriate treatments in a very timely manner.
    - Eric R.
    "Above and Beyond!"
    Fast, courteous, effective. I can't say enough nice stuff about these guys.
    - Justin C.
    "Great Company!"
    Courteous professional staff who are good at their jobs and keep good care of clients' homes.
    - David C.
    "Quick Service!"
    They are quick to respond, communicate clearly, and are reasonable in their pricing.
    - Michael C.
    "Professional & Trustworthy"
    Pest Assassins is trustworthy, reasonably-priced, and honest with the work they do.
    - John P.
    "5+ Stars!"

    Pest Assassins is always professional, on time, and thorough!

    - Christine V.
    "Great Service!"
    Pest Assasins has given me the piece of mind that all is well & taken care of. That to me is priceless!
    - Cat G.
Take Back Your Yard with Expert Mosquito Control Enjoy Your Outdoors, Mosquito-Free All Season Long

Our proven mosquito and tick control program keeps your yard safe, so you can enjoy the outdoors without the worry of bites or diseases.

Frequently Asked Questions

Is tick control really necessary if I maintain my yard?

Keeping your lawn trimmed helps, but deer ticks in Charlestown don't stay on the lawn. They concentrate in the wooded edges and brush lines at the back of your property, right where your dog runs and your kids wander. Professional tick treatment targets those transition zones directly and provides protection through the full peak season, not just one application.

I have a seasonal property in Charlestown. Can you manage it when I'm not around?

 Yes, and it's one of the most common things we handle in Washington County. We put together a recurring plan that covers your property on schedule. Every visit gets documented, so if we find rodent activity, a wasp nest building up in the eaves, or signs of carpenter ant damage, you hear about it right away instead of discovering it yourself months later.

What are the signs of a carpenter ant problem? 

You'll usually start seeing a large black or dark ant or two indoors, and it's easy to brush off. But finding small piles of fine, sawdust-like material near window frames, baseboards, or wood trim is a clearer sign there's an active colony working nearby. Carpenter ants excavate wood rather than eat it, and they zero in on anything that's been softened by moisture. If you're seeing them regularly, there's almost certainly a colony already established in the structure.

Do you do termite inspections in Charlestown? 

Yes. Termite activity is a real concern in Rhode Island, and Charlestown properties are not exempt. If you have wood in contact with soil, moisture issues in a crawlspace, or older structural wood that hasn't been inspected recently, it's worth having us take a look. We offer full inspections and treatment options if there's activity.

How fast can you get out to my property? 

We offer same-day service for situations that can't wait. Call (877) 665-2667 and we'll get you on the schedule as fast as possible.

Why Charlestown Trusts Pest Assassins

There’s no shortage of pest control options in Charlestown, but if you are frustrated with persistent pests, you need to go with a team that can bring the problem to a permanent end. That’s what Pest Assassins brings to the table.

What you get when you work with Pest Assassins:

  • We know what's happening in your area. Tick pressure in Washington County is a real, documented public health issue, and our mosquito and tick programs are built around the seasonal patterns and landscape conditions specific to where you live, not a one-size-fits-all RI treatment plan.
  • We look out for seasonal and vacation properties. If your property sits empty for weeks or months at a time, rodents and insects will take advantage of it. We set up recurring service plans that keep your property covered on a schedule and report what we find every visit, so you're never walking into a surprise.
  • Safe for your kids, your pets, and your property. We use Integrated Pest Management methods that target pests with precision, without introducing anything unnecessary into or around your home. That matters when you're dealing with a property close to water and conservation land.

Pest Assassins has built a reputation across Rhode Island for getting the job done right the first time. We're not the biggest company in the state, but we're the ones people in Charlestown call back, and that's not an accident. When you need pests eliminated, you want the team that treats every job like a mission.

Put a Contract Out on Pests in Charlestown

Ticks in the yard, mice in the walls, mosquitoes keeping you inside when you'd rather be out. Charlestown has real pest pressure, and it doesn't take a season off. Pest Assassins is ready to take care of it with targeted treatments, upfront pricing, and no long-term contracts required.

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Your Pests Won’t See It Coming!

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    Senior citizens get $25 off the purchase of any pest control service we offer!

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    Get $25 off your next service when you refer someone that becomes a customer! There's no limit to the amount of people you can refer and receive the credit.

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    Save $75 off the installation of our annual termite baiting system.

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    Save $50 off the initial service on any pest control, rodent control, or mosquito control service plans.

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    Police Officers, Firefighters, and Rescue Personnel get $25 off the purchase of any pest control service we offer.

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