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Dave's Lock Service We do not have a fleet of van's or an army of employees but we do have over twenty years knowledge and a individual service. We care about each clients requirements and security. COMPANY HISTORY : Modern Lock and Key was began in San Jose California in 1948 by Mr. Herb Lentz. Herb opened his shop at 821 S. First St., Modern Lock was purchased in 1985 by Ken Williams after Herb decided to retire.
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We are a family-owned and operated business providing reliable solutions for the locksmith needs of our residential and commercial clients. Having over 30 years of experience in this business, we have the proficiency to provide comprehensive locksmith services that include rekeying, master keying, and more.
Reviews (22)
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Julia M.
Jun 11, 2022
We needed a locksmith to rekey our newly purchased house and we are so happy we used modern lock and security. They rekeyed our 4 locks in less than an hour. Price was reasonable, especially considering the quickness and quality of their work. We would recommend them and will use them again if needed.
Anna C.
May 31, 2022
Great service! A real locksmith! They have been here twice and fixed the problems (a lock that needed adjusting and replacing the guts in another) The latter, other "locksmiths" wouldn't even come out and look at. I won't use anyone but Darrin and Andrew in the future! Their prices are reasonable and they know what they are doing.
Ari H.
May 01, 2022
I was looking for a locksmith to rekey my new home and found Modern Lock & Security on Yelp. I called about 10 different businesses for a quote and went with them as they responded quickly, had next day availability, and had the best price. Darrin and Andrew were friendly, knowledgeable, showed up right on schedule and the job was done within 30 minutes. I'd definitely work with them again for future locksmith services.
Yen Yu C.
Mar 10, 2022
The Codelock lock on my office lab door was "jammed" suddenly on Wednesday. Not sure what the issue was and the keys didn't work. I contacted Modern Lock & Security and Darrin provided a quote within minutes based on my description. Darrin and Andrew were able to come the next day at noon. They were punctual, professional and courteous. Within moments, they were able to open the door and figure out the problem. Also, coincidentally, our property manager recommended Modern Lock & Security.

It turns out, Darrin has been working with our property management company for a long time. Now, I know why! Very pleasant experience - fast, responsive, and helpful. Thank you, Darrin and Andrew.
Jaime V.
Mar 06, 2022
Darrin was professional, timely, and made us feel comfortable. Thank you for your expertise and throwing in the extra key!
Marie M.
Feb 22, 2022
I had them replace all the locks at my home and they did a fabulous job. They gave me a specific appointment time and they arrived punctually. I highly recommend them!
Richard R.
Feb 11, 2022
I've used Modern Lock and Security several times. Each time they have provided a great service. Best is they are very responsive to urgent lock out calls. Very skilled and professional.
Anna C.
Sep 23, 2021
Very pleased with Darrin. He was very efficient and fixed my deadbolt and looked at another lock for me and worked on that also. I felt very comfortable and thought the price was reasonable. I would happily use him again
Lisa H.
Mar 13, 2021
Quick response time! Efficient, VERY skilled. Re-keyed 2 locks for me. Definitely will call Modern Lock & Security next time I need a locksmith!
Tim Taylor
Dec 04, 2020
For any lock needs, save your time and start here! Modern Lock & Security was an absolute pleasure to work with. Great customer service on top of a wealth of knowledge. Darrin got the job done fast and right which was awesome considering I had another company come out and say they couldn't do the job. Darrin was extremely professional and helped me understand what he was doing and why which showed not only that he knows what he's doing, but that he can be trusted to do it. Thank you again Darrin.
Nicole A.
Oct 21, 2020
I work in Property Management and Real Estate and have used Darrin for over 12 yrs now. He always comes to my rescue literally! He is very kind and comes up with solutions when I am not sure what to do. We have used him for all types of locks, evictions and more. Thank you for being so awesome! Nicole Abbott~
Rob M.
Apr 29, 2020
I just moved to the neighborhood and needed to get the locks re-keyed. Darren was available that day, set all my locks to the same key, wiped everything down, and finished in a short time.
Eric I.
Apr 13, 2020
We have worked with Modern Lock twice now. The first time, we had deadbolt locks installed in two different patio doors. These were different sizes and had unique trim so the template from home depot would not have worked for me. Six months later, alignment has been great! Earlier this week, we had Darrin out again to repair our front door deadbolt which was not retracting properly, causing the door to become stuck. Darrin had great attention to detail, taking it apart and adjusting it a few times until it felt just right.

It is lined up and much smoother now. On both occasions, Darrin was on time and explained his approach as he went. We will definitely use Modern Lock again for any future locksmith needs.
Sean Serra
Mar 28, 2020
Darrin has always been great to work with. His knowledge and professionalism sets him apart from all of the competition. I would highly recommend calling him first for any residential or commercial locksmith needs.
Stephen M.
Mar 23, 2020
They did a house call to rekey some new locks for me. Great service and very professional. Looking forward to working with Modern Lock again!
Lauren C.
Feb 28, 2020
Wow! Excellent customer service. Darrin was able to address two major door problems for my company, Cradlepoint, in less than 20 minutes! Very professional, personable, and expedient. Would definitely recommend for any locksmith services required.
Yoonseo J.
Feb 07, 2020
Reasonable price than other place and he came to our place right on time. We were lockout. His service was amazing.
Wendy W.
Jan 03, 2020
Modern Lock has done all the lock changes in my DTSJ building and my Santa Clara business. They give great recommendations and have fast service.
John Tuttle
Dec 01, 2019
I had Modern Lock re-key some new dead bolts and entry locks I was replacing in my home. Excellent service, quality and professionalism from Darrin. On time, job done right, fair and honest pricing. I'm a customer for life!
Cece N.
Feb 01, 2019
Got locked out of my salon (Meraki Salon) and Darren came to the rescue! Darren has replied to my email super promptly and also came early! It took him literally less than a minute to get it open for me. Thank you again for your great customer service. Hopefully I don't run into this problem again but I'll definitely contact Darren if I do.
Amy B.
Jan 14, 2019
Very fast and friendly. Came on time and let me know by text that he had arrived. It was very convenient to be able to book online and pay by credit card.
Andrew J.
Sep 06, 2017
Very front with their business. Needed a key made for my 1999 Lexus RX300. Dealer wanted $75.00 for the key and $200.00 to program the key. Absurd pricing. I could program the key with instructions off the Internet in 10 minutes. The dealer is therefore charging $1,200.00 an hour. Modern Lock and Security said reprogramming the key was unnecessary. They would just put the old transponder into the new key. Slam dunk. Key cost $75.00 which is in line with other locksmiths. Thank you Modern Lock and Security.