P.I. Pest Investigators
Cape Cod’s Top-Rated Pest Control Company

Local & Reliable Cape Cod Pest Control
There’s nothing more disturbing or shocking than finding out your residential home or commercial facility is overrun with pests. Whether you need one-time service or recurring maintenance work, look no further than P.I. Pest Investigators. We are the premier pest control company serving all of Cape Cod, Plymouth, and Wareham areas in Massachusetts. We have years of experience in handling all manner of infestations ranging from:
- Rodents (Rats, Mice)
- Wood-Destroying Insects (Termites)
- Ticks
- Ants
- Spiders
- Roaches
- Stinging Insects (Wasps, Hornets, Bees)
We’ll help restore your home to the comfortable sanctuary it’s meant to be, and not only get rid of the pests but also install preventative measures to avoid repeat situations.
Commercial
We are dedicated to making your area of business pest-free. You let us know your concerns and needs, and we take care of the rest! Call us today to let us know how we can help your business or commercial property.
Residential
When it comes to getting rid of the pests around your home, we've got you covered. We put our experience to work ensuring that your home will be restored and made safe from pests.
Cape Cod Pest Control
P. I. Pest Investigators, LLC has been offering pest control services and pest management since 2000. Look to our pest experts "sleuths" to help you find a solution to all of your pest problems.
5-Star Pest Control Reviews from Satisfied Cape Cod Clients
EXCELLENTBased on 62 reviewsMichael Burke2025-04-11Trustindex verifies that the original source of the review is Google. We've been using P.I. Pest Investigators for about 10 years for our Sandwich home. They have been fantastic. Very responsive, professional and, best of all, no more ants (which was a problem). Would highly recommend them to anyone and subscribe to their annual/worry free service.laurie mitchell2025-03-28Trustindex verifies that the original source of the review is Google. I've been consistently impressed by Matt and Tiffany from PI Pest Investigators. They are knowledgeable, reliable, thorough and always a pleasure to work with. Plus, their organic tick control program has been incredibly effective at keeping the ticks at bay. We highly recommend!Timothy Perry2025-01-09Trustindex verifies that the original source of the review is Google. I had worked with Tiffany and Matt on a big project and they have the utmost of integrity. They are super responsive and make sure you have what you need. I highly recommend them. They are honest, they are prompt!Jim Urbas2024-06-22Trustindex verifies that the original source of the review is Google. Matt and Tiffany do a great job with PI. Tiffany ensures that you are able to get an appointment that you want. Matt is a real professional and does a great job. I have them back every year.Robert Gagosian2024-05-31Trustindex verifies that the original source of the review is Google. Matt is the best! He is thorough and responsive to issues and questions in addition to having a very professional attitude and pleasant personality.CA Smith2024-05-30Trustindex verifies that the original source of the review is Google. Great company. Efficient, friendly and effective. We discovered termites in our home a few years ago, they came right out and eliminated the termites and have kept us termite-free ever since. Highly recommended.Bill Christie2024-05-07Trustindex verifies that the original source of the review is Google. Pest Investigators has been servicing our home for years and they are professional, always on time, and extremely easy to work with. Matt and Tiffany are exceptional!Edward Frechette2024-05-07Trustindex verifies that the original source of the review is Google. We have relied on P.I. Pest Investigators for years to help us control mice and pest infestation. They are easy to work with, quick to respond and, most importantly, address any and all issues.Sandy Lashway2024-05-07Trustindex verifies that the original source of the review is Google. Very dependable and thoroughVerified by TrustindexTrustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more

Locally Owned, Family Operated Since 2000
The Helms family is proud to have served both Barnstable County and Plymouth County for well over 20 years, offering the very best in extermination services. We love this area we live in, happy to call Cape Cod home, and want to ensure our fellow neighbors enjoy the peace and security in knowing their homes and businesses remain pest-free!
Why Choose P.I. Pest Investigators?
What sets us apart from other Cape Cod exterminators?
Local Family Owned & Operated
When we take care of your home or business, we’re taking care of our neighbor. It is our priority to ensure that our neighbors are pest-free…and remain that way!
Effective Diagnosis & Treatment
Our expert pest “sleuths” only use the highest quality products and methods to rid your commercial or residential property of pests.
Our Experience
Well over two decades of experienced guidance and using applied methods. We strictly adhere to business standards best practices and are constantly keeping up to date on the latest treatments. And we pride ourselves on being on time, so much so that if we are running late we will either pay you $25 on the spot or credit it to your services.
Low Cost
Every residential and commercial property is different, so we work closely with you on low-cost programs (whether one-time or ongoing) to fit your individual pest control needs.
Reliability You Can Count On
We pride ourselves on being on time, so much so that if we are running late we will either pay you $25 on the spot or credit it to your services.