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Securing Trust, One Key at a Time at our Locksmith shop
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Day & Night Security Lock Locksmith

Specialized Expertise: Tailored solutions for automotive, residential, and commercial locksmith needs. AAA Emergency Roadside Assistance: Quick and reliable support for vehicle lockouts and more. Comprehensive Key Services: From high-security laser-cut keys to program car remotes. Residential and Commercial Security: Ensuring the safety of homes and businesses with a range of services. Bilingual Support: Hablamos Español—making communication easy and accessible. For all your locksmith needs, trust Day & Night Security Lock to provide expert, reliable, and bilingual services.

Website: sanmarcoslock.com

Phone: (760) 433-5397

Response 14 hrs. Response rate 100%

Closed now

  • Fri 10:00 AM - 3:00 PM

1036 Commerce St San Marcos, CA 92078 ·2149.26 mi

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Reviews

yelp
4.5 78 reviews
5 star
73 4 star
0 3 star
0 2 star
0 1 star
5
Anna A. 06/03/26

I highly recommend David for any locksmith needs! He was professional, responsive, and incredibly knowledgeable. He arrived quickly, explained everything clearly, and had the job completed in no...

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Eric M. 10/21/25

I cannot say enough about this family owned and operated business. I spoke with Michelle who is the wife and she was very helpful, pleasant and listened to my concerns. I then met with Chris the...

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Jack W. 04/14/26

I Pre paid $235 for a 2025 Kia Telluride key over the phone. Half the cost of the key, programming and cutting of the emergency key. Drop off my car for the service and when I returned the woman...

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Shannon C. 01/12/26

Locked my keys in the truck and started a claim with AAA. Start to finish Darwin had me on my way in 30 mins. He was 20 minutes early to the estimated 40 mins it was going to take, which was...

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Anita B. 07/22/26

You really need to make this family owned & operated business your ONLY locksmith!! Customer service is outstanding!!! The quality of their work can't be beat. Michelle and her husband make every...

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