Satisfaction Guaranteed

We guarantee that we'll provide the most reliable locksmith service at the most affordable rate! 

We only install high-quality lock hardware to ensure that your home, business or safe is as secure as possible without the worry of malfunction. We pride ourselves knowing that we're providing the most dependable service & hardware, all at an affordable price. 



No matter if the job is big or small, the job is always done quickly. Very reliable, and honest. Great to do business with and would highly recommend.

-Durval S.

Hampton, NH

Wow! Super impressed with this company. Nate arrived quickly, fixed all our issues, and explained everything. Very responsive, knowledgeable and kind, and a fair cost too. I'd definitely use them again and recommend them without hesitation to my friends. A real find!

-Margot K.

Newburyport, MA

Awesome company!! So responsive and owned by great people. They do such great work and it is definitely a number I keep saved in my phone. I know they’ll be there if I ever need them again!

-Larissa C. 

Danville, NH

Made the call to have some door locks re-keyed/changed and Nate knocked it out like the pro that he is. I left a more detailed review on their FB page, so what I will say here is...don't hesitate call THESE guys/Nate/Tri-State Lock & Safe. You really will be satisfied with the outcome. 100% From the call to the knowledge and installation all at a super fair price. Top tier.

-Mike H.

Nottingham, NH

I recently moved to an apartment and called Tri-State. What a pleasant experience. The technician was professional from moment one. He did everything he said he would including accommodating the appointment time that worked best with my move-in. I highly recommend Tri State Lock & Safe for the NH seacoast area.

-Mary P.

Portsmouth, NH

Helped me in a pinch by rearranging their schedule last minute after I mixed up the times. Helped me out a second time around dinner time too! Very professional and quality service!

-Matt P.

Hampton, NH

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