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  • Average homeowner rating star icon4.8
    Average homeowner rating
  • Verified reviews icon243
    Verified pest control services reviews

Top-Rated Pest control specialists in Cos Cob - Updated Nov 2026

Avatar for Bearclaw Wildlife
Bearclaw Wildlife
4.9(
122
)
Pest Control - Birds and BatsPest Control - RodentsPest Control - Small Animals+3 more

Serving Cos Cob, CT and surrounding areas

Approved

In business since 2021

Free estimates

Credit card accepted

"Iâ m a very picky property manager; frugal but withnletfectionistic tendencies. So many people for hire seem to be either grossly expensive or completely unreliable/incompetent. I shopped around for help removing squirrels in my attic crawl space. Hearing people over formalize the situation as they led me up to huge bills or suggested ongoing prices to make sure the problems was solved was stressful/disappointing. However when Matt the owner called me, he immediately seemed more frank and forthright. He tuned in to my situation and brought up questions showing his level of expertise that placed far more expensive did not think to ask. He was available, ready, and patient. When he came, he was professional and thorough, quick. I was very very happy with Bearclaw Wildlife and with Matt in particular. I definitely will refer back to him with any pest or wildlife issues at my properties. Nice to see a person take pride in their work and their companyâ s name. Keep up the excellence Matt! Thank you!"
Response time2 hrs
Response rate91%
6 neighbors recently requested a quote
Avatar for Ehrlich Pest Control
Ehrlich Pest Control
4.3(
11
)
Mosquito ControlPest Control - Bed BugsPest Control - Bugs and Insects+2 more

Serving Cos Cob, CT and surrounding areas

Approved

In business since 1921

Free estimates

Credit card accepted

"I had a fantastic experience with Ehrlich Southeast. Their customer service was excellent, from scheduling the appointment to the completion of the service. Their technicians were friendly, knowledgeable, and efficient, and they ensured my property was pest-free. I highly recommend them to anyone in need of pest control services."
Recommended by100%of homeowners
Avatar for Ned’s Pest Control
Ned’s Pest Control
4.0(
3,188
)
Mosquito Control

Serving Cos Cob, CT and surrounding areas

Approved

In business since 1965

Free estimates

Credit card accepted

Ned's Pest Control brings over 60 years of pest control expertise to your home or business, delivering fast, effective solutions when pests invade your space. As part of the Ned's Home family, we're committed to providing dependable, high-quality service backed by our QualityPro certification and 100% Satisfaction Guarantee. Our trained and licensed professionals specialize in both residential and commercial pest control, using proven methods to eliminate current infestations and prevent future ones. With dedicated teams across the region, we prioritize lasting results so you can enjoy true peace of mind.

2 neighbors recently requested a quote
Recommended by88%of homeowners
Avatar for Terminix® Pest Control
Terminix® Pest Control
3.9(
1,074
)
Pest Control - Bugs and InsectsPest Control - RodentsPest Control - Termite+6 more

Serving Cos Cob, CT and surrounding areas

Approved

In business since 1927

Free estimates

Warranties offered

"Very knowledgeable guy who seem to know what he’s doing. Don’t know results of spraying. Have had much rain since. Will have to see if it worked. Terminex will spray again the beginning of next month."
My jobs
My jobs
My jobs
My jobs
My jobs

+2

58 neighbors recently requested a quote
Recommended by81%of homeowners
Avatar for Tuff Lawn
Tuff Lawn
4.4(
171
)
Mosquito Control

Serving Cos Cob, CT and surrounding areas

Approved

In business since 1989

Free estimates

Credit card accepted

"That there was a follow up done by (Matt) their quality control manager and we were able to come up with some points in seeing a more improved lawn in the future. They even sent out a inspector to do a quality inspection."
Weed Control in Westport
Weed Control in Westport
31 neighbors recently requested a quote
Recommended by88%of homeowners
Avatar for J. Fryer Mosquito, Pest, & Termite Control, LLC
J. Fryer Mosquito, Pest, & Termite Control, LLC
4.5(
2
)
Pest Control - Bugs and InsectsMosquito ControlPest Control - Bed Bugs+3 more

Serving Cos Cob, CT and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

In Business Since 2020\nJ. Fryer Mosquito, Pest, & Termite Control proudly serves it's customers with pride, integrity and attention to the details that matter most to you. Joe is a Certified Entomologist. You are assured to get an expert at every service! This is one of the many things that sets us apart from the rest. We are locally owned and operated. Give us a call today!\n\n\n\n\nCommunity Involvement\nBoard member of Amity Pop Warner Football\n\nBoard member of Amity Youth Lacrosse\n

3 neighbors recently requested a quote
Recommended by50%of homeowners
Avatar for NJ Pest Defense
NJ Pest Defense
4.9(
49
)
Mosquito ControlPest Control - Bed BugsPest Control - Birds and Bats+9 more

Serving Cos Cob, CT and surrounding areas

In business since 2014

Free estimates

Emergency services offered

"George Massoud of NJ Pest Defense did an EXCELLENT JOB. He was very informative, punctual, and knowledgeable in his field. From the phone call to the actual appointment he gets an A PLUS!! He explained in detail what he saw,.. looked in all areas inside and outside my home and suggested exactly what I needed. He explained everything he was doing to rid my home of the animals and also explained the bait traps and items bait used assured me they were SAFE and EFFECTIVE. George was VERY honest in his price as well. In this day and age it is hard to find an HONEST, FAIR, dependable and knowledgeable person in this field. I will DEFINATELY use NJ Pest Defense and highly recommend them as well."
Recommended by97%of homeowners
Avatar for Best Pest Control Services, Inc.
Best Pest Control Services, Inc.
4.8(
269
)
Mosquito ControlPest Control - Bed BugsPest Control - Bugs and Insects+3 more

Serving Cos Cob, CT and surrounding areas

In business since 1993

Free estimates

Emergency services offered

"Andrew was excellent he was very calming to me and found the problem and fixes it right away he had to come two days and he was very patient and an excellent pest controller gets those animals dead thanks Andrew I would definitely use him again for any bug problem"
Additional Photos
Business card
Some pests we treat
Termite chemical spray treatment
Response time11 hrs
Response rate100%
Recommended by94%of homeowners
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Pest Control FAQs, answered by experts

Moles breed once a year, marking March on their calendars as peak season. However, their breeding season can start as early as February and wrap up in May. Their gestation period is 4 weeks, with litters ranging from 2 to 6 little ones. They are considered all grown up by the three-month mark, making them ready for parenthood.

Due to the high temperatures used during heat treatments, many things must be removed from the area. The most vital things to ensure you remove are living things like pets and plants. To prevent damage to your belongings, you should also remove items such as electronics, flammable products, food, and anything else that the heat may damage.

Spider mites hate high humidity, strong air circulation, and potent smells like peppermint oil. Utilizing these factors can help deter spider mites so that they don’t feast on your plant leaves and inhibit growth. If you try these methods and spider mites still won’t leave, it’s time to hire a professional pest control service to tackle the task.

While you might want to cut corners by either borrowing or purchasing used live traps for catching rats, this can be dangerous because those traps could contain leftover viruses and bacteria that will enter your home. Always start fresh with new materials to avoid contamination.

It’s been said that baking soda can kill fleas as it may dry out eggs and larvae. However, this method has not been proven to be effective in killing fleas or other pests. However, you can use it to absorb smells so if there is a fragrance you believe is attracting fleas or ticks, you can use baking soda to rid the smell to control it.

The Cos Cob, CT homeowners’ guide to pest control services

From average costs to expert advice, get all the answers you need to get your job done.