Mathias Lock & Key is here because of you - our client, and because of our professional technicians who serve you - our client. Your peace of mind and complete confidence is our aim. In business since 1901, we, Mathias Lock & Key, attribute our success to: You, our client. Mathias Lock & Key sincerely values your business. We guarantee superior service and supply only best quality products.

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Chiarra Hennigan

Jun 21, 2022

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Always so helpful and kind, truly know what they are talking about too.

Todd Medbury

Apr 20, 2022

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As promised, everything works the first time. That is always appreciated. Thank you!

Michelle B.

Jan 30, 2022

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I would love to give ZERO stars! We called as the lock to the front door of our building was broken and we had Mathias come out to look. About a week later we received an estimate for $160.00. $75 for the work and $85 for the TRIP charge. They charge more to come out than they do for the work. I found a MUCH better place with VERY reasonable prices

Bob Wraith

Jul 12, 2021

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I've rekeyed all my own locks for over 25 years. Mathias has been my sole source for keys and, occasional, advice. I've never had an incorrectly cut key. They are a great resource when one needs security that exceeds standard, consumer-grade locks. Consistently responsive & professional.

Denver Manager Luv Bridal

May 06, 2021

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Professional, prompt and incredibly reasonably priced! Easy to schedule with as well. Will definitely use for future needs + suggest around!

Renee Lowe

Mar 08, 2021

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My favorite locksmith and I've used a many! I frequently have to cut keys and have locks re-keyed for work and have been doing so for several years. The techs are reliable, accurate and efficient. The accounting department is even friendly and efficient. The staff is consistent, responsive and clearly enjoy their job. I see very little turnover so I always get to see my faves Steve and David!

Stephanie Koch

Feb 09, 2021

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SHOUT OUT to Mable and Blake! Mable so friendly to get me where I needed to go. Blake, who we'd not seen two years or more, remembered our set up and was quick to know what needed to be done. Made us his first call and arrived in no time. Got our system fixed in less than ten minutes. CANNOT ask for better service! THANK YOU!

Jason Wagner

Dec 12, 2019

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Matias Lock and Key, sold and installed 3 sound proof doors for my recording studio. They were great to work with and addressed all my concerns without question or push back. Great company to work with and they do fantastic work. I highly recommend them!

Kensey Niziol

May 06, 2019

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Working with Carlo and the entire staff was a very pleasant experience. They were kind, knowledgeable and timely with their follow up and communication. I definitely would recommend them a thousand times over. Thank you all very much for the superior service. I was very impressed.

Christopher Conway

May 18, 2017

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Jennifer was very nice and helpful. I work for a non-profit organization called Spring Back Colorado and she sent someone out the same day and donated their time to fix our business door. They were very professional and courteous. Mathias Lock and key definitely represents what a Company should be. Excellent work ethics. Thank you Mathias Lock and Key!