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- 6:00 AM – 11:30 PM
- 6:00 AM – 11:30PM
- 6:00 AM – 11:30 PM
- 6:00 AM – 11:30 PM
- 6:00 AM – 11:30PM
- 6:00 AM – 11:30PM
- 6:00 AM – 11:30PM
Mon–Sat: 8:00 AM – 6:00 PM | Sun: Closed | Frederick, MD
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From a simple upgrade to advanced security systems, we can install and maintain every type of residential lock and help you find the perfect option for your home.
Update cylinder locks to provide smooth, trouble-free operation and avoid lock issues such as sticking or seizing.
Restore robust, dependable security with replacement, heavy-duty mortise locks.
Secure defense against forced entry and kick-in attempts; additional security is possible with commercial-grade deadbolt upgrades.
Prevent tampering and jimmying of the door from the frame by force, using surface-mounted interlocking deadbolts.
They look better, improve security, and offer improved functionality over standard entry knobs.
Improving accessibility and convenience, our durable lever mechanisms offer secure entry without requiring dexterity and a tight grip to open.
Resistant to advanced lock-picking attempts, including bumping and drilling, our quality locks offer patented cylinder technology for your protection.
No more lost keys or carrying heavy key chains. Our battery-operated keyless entry systems offer security without the hassle.
These advanced security devices let you monitor, control, and lock your door straight from your smartphone. Security and convenience combine in a modern, streamlined solution.
We fit proven, quality locks from leading brands to ensure that your security and safety are never compromised, including:

Parker Hardware

Cal Royal

Norton

Yale

Baldwin

Mul-T-Lock

Schlage

Medeco

Kaba

Weslock

Kwikset

Cobalt

Savta

Green Leaf

Weiser

Adams Rite
Don’t take our word for it – Here’s what our customers have to say:
Here are the most common questions we are asked about Lock Replacement in Frederick, MD.
If your lock is damaged, broken, or showing signs of wearing out, such as being difficult to turn, then that is the time to replace it. If you want to upgrade to higher security or new features, replacement is also an option to choose. Talk to our team; they’ll offer unbiased advice about the best approach to take.
We can install every type of residential lock, including deadbolts, smart locks, keyed entry knobs, keyless entry systems, electronic locks, mortise locks, and high-security commercial-grade locks, among many more. We only use premium brands for your peace of mind.
Yes, we can. We are smart lock specialists; whether keypad locks, Bluetooth locks, or smart home compatible systems, we have you covered.
We can match the finish on your current doors, yes. This includes brushed nickel, polished brass, matte black, and so on, and in cases where an exact match cannot be obtained, we can also replace hardware on multiple doors to create a consistent finish.
It does vary a little depending on lock type and door materials, but in general, expect between 15 and 30 minutes per door. We clean up as we go, so there’ll be no mess to deal with.
Yes, we take the old locks with us as part of the service, and we clean up any debris too, so there’s no extra work for you!
Contact us directly. Our team is available 24/7 to answer any questions about our lock replacement services.
Our Frederick residential lock replacement service makes AA Locksmith Near Me your number one choice for home security you can trust.