Cornerstone Pest Control Services in Southern NH and Northern MA

NH Pest Control

As a small, family owned business, we consider integrity the cornerstone in all we do. We provide our customers with the finest applications of high quality materials at generous rates. Always giving our customers more than they paid for and never less.

We started in 2018 with one part time technician as Assurance Pest Control. Then due to demand driven growth, we became Cornerstone Pest Control in 2020 with multiple techs providing Northern Massachusetts and Southern New Hampshire the areas best pest control services at reasonable prices.


5.0 ★★★★★ Cornerstone Pest Control LCC


Glenn was great he showed up on time, was very informative, and solved the rodent problem.

– Paul Lanouette


We had a pestering rodent infestation for the past month, and our attempts to bait them were an utter failure.

– Dipu Deshmukh


Sydney in the office was an absolute pleasure and was able to get someone out to our ground wasp problem the same day.

– Tom Jones


Cornerstone was by far the most pleasant and speediest response I received – and since the wasps were coming into our bedroom, speed was of the essence!

– Karen Graves


Cornerstone is the most responsive and thorough company I have ever seen. I would highly recommend them!

– Margaret Bishop


Our technician Glenn is always polite, personable and extremely thorough with his applications. We are very pleased with the service we receive from Cornerstone!

– Douglas Taylor


“Great Company will continue
to use !”

– Brad Davis


“Always professional and leaves
us highly satisfied”

– Louisa Howell