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Garfield Pest Control is a Merrimack exterminator serving central and southern New Hampshire, treating ants, rodents, bed bugs, bees and wasps, roaches and termites as one-off jobs or on quarterly and annual plans. Its site describes it as family owned and veteran owned. It shows a 4.9 from 183 ratings on Google and a 4.9 from 6 ratings on Angi, and BBB rates it A+. BBB lists pesticide licence numbers S-1622964 and 392 from the New Hampshire Department of Agriculture. Reviewers describe quick visits for stinging insects and a technician, Rich, who explains the treatment. In a July 2026 review, a homeowner with a wasp nest under a lattice-enclosed front deck said the company came out the day after the call. A June 2026 reviewer said Rich inspected a termite issue and had a plan right away. A July 2025 reviewer called about yellow jackets in a soffit, and Rich found 4 more nests nearby and treated them at no extra cost. An August 2024 reviewer said Rich returned at no charge when a few bed bugs turned up a couple of weeks after treatment. Long-time customers describe seasonal ant spraying and mouse sealing, and a June 2026 reviewer has used the company for 20 years against ants. The complaints are about scheduling and follow-through. A February 2025 reviewer waited through two appointment windows with no call, never got the promised follow-up visit and called $175 for replacing bait in a handful of traps steep. A September 2025 reviewer said the company missed at least 3 return appointments for bees. A 2023 reviewer praised the technician but called the scheduling abysmal after no-shows.
Typical your area range for this kind of work, from regional averages — not a quote from Garfield Pest Control. Use it to sanity-check bids, then get the real number in writing.
Scales rodent, ant, and termite jobs; bed bugs scale by room count instead.
Estimated range
$130 – $340
Typical treatment around $240
“Garfield Pest Control out of Merrimack. So fair and honest. I'd definitely use them again.”
Excellent Service! I called because we had a nice big wasp nest that appeared under our front deck right at the main entry door to our house. Our deck is enclosed with lattice and large shrubs limiting access to the underneath. I emptied a can of wasp killer into the nest from above and it did nothing to deter them. We had to stop using our front door completely and also worried about deliveries etc. Garfield was out the day after I called even though we had left for vaca, the tech was able to discuss the issues they found over the phone, and they were able to kill the big one and several others. I came home to a usable front door and they did a nice job cleaning up various areas where I had left dead nests and cob webs. I am highly impressed and would not hesitate to call in the future.
Garfield Pest Control is great. Responsive, professional, and trustworthy.
We've been using Garfield Pest for 20 years to keep ants out of the house and never had an ant problem since.
Rich is one of the nicest, most professional, and knowledgeable workers I've ever hired to do work. He inspected my termite issue and immediately had a game plan to tackle it! It's quite possible that he's even more dedicated to eliminating pests from your home than you are as the homeowner. Additionally, Garfield's prices seemed very reasonable, Rich was a good communicator, and everything was explained thoroughly. I have no reason to look elsewhere if I have another pest issue. Let's hope the treatment works!
Experienced, personal and friendly service! I had Garfield out to my home in 48 hours. Would I call them again- yes, I would.
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Certified attributes are verified against the public registry. Others are the business's own statement.
3 changes recorded — last scanned Oct 18, 2026.