

Master Locksmith
32 years experience
AAA Preferred Provider
North county
Mobile Locksmith Service
IN shop programming service


Day & Night Security has a new shop located at
1036 Commerce Street Suite C. San Marcos, CA 92078
AAA Emergency Roadside Service is still mobile and available 24 hours a day 365 days a year.
We can help replace lost Auto Keys & Program remotes and fobs.
AAA discount on site, no need for submit for reimbursement.

Service Provider of Excellence Automobile Club of Southern California
AAA 5 Diamond Award 2017
AAA's "Service Pro" Award 2009,2010,2011,2013,2014, 2015,2016, 2018
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The key to saving money is Day & Night Security Lock.
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Day & Night Security Lock's professional locksmiths are Auto Club's North County Five Diamond preferred provider.
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We provide both roadside service from Oceanside, Ca. to Solana Beach, Ca. and from Escondido, Ca. back to Oceanside, Ca.
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We also have in shop services at our San Marcos, Ca. showroom.
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Our team of locksmiths specializes in helping customers find options to all of their key problems. Day & Night Security Lock locksmiths are skilled and expert key masters. We specialize in auto keys and are able to cut & program most products in the automotive market.
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The combination of excellent service, quality work, and affordable pricing is why we were awarded AAA's Five Diamond Service.
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Member's of AAA Emergency Roadside Service receive a discount at each level of membership: Classic, Plus, and Premier.
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When AAA members set up their order with the Club they receive the AAA discount for their order at the time of service, no need to submit paperwork for reimbursement.
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Who can be without their vehicle for longer than 2 hours in Southern California?
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Why tow your car when we can make a car key and put you back on the road?
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We offer expert master locksmith and lockout service at competitive pricing partnered with AAA Emergency Roadside Service.
Automotive Locksmith
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AAA Emergency Road Assistance Preferred Provider
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29 Years Locksmith Experience
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"Dealer Only" Keys Cut, Laser Cut, Toyota Prius Key Programming Services"
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AAA Discount for lost keys when you are stranded
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Locally Owned & Operated
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Mobile & In Shop Services
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Licensed & Bonded
Residential Locksmith
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Residential lock out
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Re-key existing lock hardware of your property
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Fresh drill of doors & installation for new hardware
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House keys copied & cut accurately
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Home locks hardware re-keyed in shop
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Mail box lock replacement
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Mailbox keys
Locksmith Services Mobile & In Shop
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Accurate Key Cutting/Duplication
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Car Key Programming
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Car Remote Programming
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Transponder/Chip Keys Lost or Spares
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Auto keys most brands
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Emergency Lockout Service
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Car Lock Rekey & Repair
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RV keys/ Padlock keys/ Rare keys
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Hard to Find Keys
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Trimark Keys
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Master keys for Master Padlocks