Excellent service!!! Fast and very reasonable. He had to come back out because the building…read moremanager wasn't clear on how many locks to change and did not charge another service fee! Great guy.

Fast response- next day service and replaced all the locks in my house with one single key! So…read moreconvenient.

Scheduled a time to come in the following day to get my car key copied, Cam was quick to call me…read morefor a quote and get me in at the start of his shift! Great service and dedicated. The shop got busy as time went on. Would come back in the future!

Cam at Locks & Keys is really working hard to help me with a pain in the butt British-car key fob…read moreissue. He's pretty knowledgeable, which is helpful because I'm not with this stuff. They've been around a long time. Give em a try.

Stopped in yesterday from suggestion from Anthony at Cowgills to see if they could help me with…read more"tiny" screws that were needed for my son's automatic car starter key. The woman who helped me (I forget her name?) spent a lot of time with tiny screws and did not charge me anything!! Thank you!!

If you have a classic car, Mike is the guy to see for your lock-and-key needs. It's hard to find…read morepeople who are really lock experts. Knowledgeable and fair, easy to do business with. It's a busy little shop, so don't expect them to always drop everything to fix your item on the spot. Yes, they can make a key or program a newer car key fob, but more complex requests may not be instant.

Quick work at a reasonable price. Thanks for fixing our privacy lock and helping us escape the…read morebathroom!

Arsen was hands down the most responsive, respectable, professional, and fairly priced locksmith…read morethat I have dealt with across the Greater Boston area. He is always communicative and takes care to make time and is punctual to all his calls. Call him today!!

What a great experience. Our front door lock was acting up and I finally needed to do something…read more After reading Yelp reviews, I called Chelmsford Lock, Mike picked up right away, and was able to stop by later that afternoon to take a look. He quickly diagnosed the problem, called his supplier for the part and said he could be back to the next day to do the install. He said he would call with an ETA, which he did (it's amazing how often contractors SAY they will do something and don't), arrived right on time and quickly made the fix, with a really nice attention to detail to make sure everything was perfect. I really appreciate Mike's professionalism and attention to detail - makes me wish I had more problem locks!

Michael was professional, arrived on time, solve the problems, and did so well being very…read morereasonably priced. I would not hesitate to recommend him for any lock issues whether personal or in business.

Lu's treated me extremely well. He quickly figured out the battery in the remote was put in upside…read moredown which explained why the remote didn't work. We had a laugh when he flipped it over and it worked. He could have screwed me over for $200 and I wouldn't have known the difference. Instead he sent me on my way at a cost of $0 and a laugh. I wouldn't hesitate to use him in the future. Thank you Lu!

Fantastic experience! I had a remote starter installed and not only were they competitive the…read morecustomer service was top notch. Lu is a true gentlemen and man with integrity so you cannot go wrong. I don't usually write reviews but the service I received needed to be passed on. I would highly recommend them. Dan C.