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TRUSTED BY GRANTHAM, NH HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon13
    Verified pest control services reviews

Top-Rated Pest control specialists in Grantham - Updated Nov 2026

Avatar for Ehrlich Pest Control
Ehrlich Pest Control
4.3(
11
)
Mosquito ControlPest Control - Bed BugsPest Control - Bugs and Insects+2 more

Serving Grantham, NH 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 Terminix® Pest Control
Terminix® Pest Control
3.9(
1,074
)
Pest Control - Bugs and InsectsPest Control - RodentsPest Control - Termite+6 more

Serving Grantham, NH 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
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+2

56 neighbors recently requested a quote
Recommended by81%of homeowners
Avatar for J PAUL AND SONS WILDLIFE CONTROL LLC
J PAUL AND SONS WILDLIFE CONTROL LLC
5.0(
19
)
Pest Control - Small AnimalsPest Control - Birds and BatsPest Control - Birds and Bats - For Business+1 more

Serving Grantham, NH and surrounding areas

In business since 2025

Free estimates

Emergency services offered

"Jordan came to my parents home, assessed the situation… squirrels outside (thankfully) but patched gable to prevents bats… trapped snd relocated 4 squirrels over 4 days; then closed up with heavy duty wire mesh and black tar like patch stuff; 2 year guarantee! Reasonably priced. Very friendly, prompt, thorough and professional. I highly recommend J Paul and sons for your ‘wildlife’ needs!"
Response time1 day
1 neighbors recently requested a quote
Sully's Pest Services, LLC
5.0(
2
)
Mosquito ControlPest Control - Bed BugsPest Control - Bugs and Insects+3 more

Serving Grantham, NH and surrounding areas

In business since 2022

Free estimates

Credit card accepted

At Sully's Pest Services, LLC, we take great pride in our experience, expertise, quality and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job.

Response time1 day
Mr. Mom Property Maintenance
4.6(
26
)
Pest Control - Birds and BatsPest Control - Birds and Bats - For BusinessPest Control - Rodents+3 more

Serving Grantham, NH and surrounding areas

In business since 2007

Free estimates

Emergency services offered

"Alan came out to look at the site and do some measurements.  Then we communicated several times by email.  He was very good at keeping me informed of his schedule and the likely date he could complete the project.  He came out when he promised, and finished the work in just over two hours.  I was present as he did the work, and I was amazed at the speed at which he completed the task.  He also sent me an invoice by email the same day.  He offered a lower price upon completion because of how he could save on the wood costs.  I paid him the full price we had agreed upon verbally because I felt he deserved the bonus for his commitment to cost control.
"
Recommended by95%of homeowners
DeBow Wildlife Service
New to Angi
Pest Control - Birds and BatsPest Control - Birds and Bats - For BusinessPest Control - Small Animals+1 more

Serving Grantham, NH and surrounding areas

In business since 1996

Free estimates

Warranties offered

DeBow Wildlife Service provides a service of removing nuisance wildlife from commercial and residential properties. We have over 15 years of experience diagnosing and presenting long-term solutions for your wildlife problems. We specialize in the removal of squrriels, bats, beavers, skunks, raccoons. Our staff is professional and courteous to your needs. Call today for your free estimate!

Pest Control FAQs, answered by experts

It takes a few weeks to get rid of roaches in the kitchen for a small infestation, as the cockroaches will need to take the bait back to their nest to infect the others. For larger infestation, you may need to schedule multiple professional treatments, which could take several weeks or up to 6 months to get rid of the roaches fully.

Preventatives include frequent washing of pet bedding, regular vacuuming, flea-preventative applications, and avoiding infested areas.

In some cases, a clean house can have roaches, especially if you have excess moisture somewhere. You may want to check for leaky pipes or look underneath sinks to make sure water isn’t dripping near a hidden area that is inviting the cockroaches in. Roaches can also take up residence in clean homes with not-protected food sources, like open bags of food in a kitchen cupboard.

It’s unlikely true water bugs will get into your home plumbing system. You may find them in gutters, rain barrels, or open irrigation on your property. If there are bugs near your indoor pipes, leaky sinks, or other moist places, they are probably Oriental cockroaches. Consult a pest control professional to determine the pest hiding out in your plumbing system.

If you’ve experienced bed bugs more than once, the best way to get rid of them permanently is to hire a professional exterminator near you. Exterminators use powerful treatments that target all stages of the bed bug life cycle. In addition, you can seal cracks in floors or walls, wash fabrics in hot water, and vacuum regularly to prevent them from coming back.

The Grantham, NH homeowners’ guide to pest control services

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