Home / Residential Locksmith
We help homeowners regain key control, upgrade deadbolts and add smart keypads, delivered on site throughout Baltimore, Howard, Anne Arundel, Harford and Carroll Counties. Clear estimates, clean workmanship, and hardware matched to your doors.
Hours: 8 AM – 12 AM, 7 days a week
Phone: (240) 885-6557
Whole-Home Rekeying: change pins so old keys stop working; key-alike your exterior doors on request.
Grade-1 Deadbolt Installation: high-strength bolts with reinforced strike plates and 3″ screws.
Smart Keypad Retrofits (Bluetooth / Wi-Fi): add coded entry and app control while keeping a keyed override.
Restricted / High-Security Keyways: controlled duplication—copies require your authorization card.
Burglary Damage Repair: jamb and frame repair, wrap-around plates, hardware replacement and photos for insurance.
Sliding & Patio Door Locks: cylinders, mortise cases and keyed handles serviced or replaced.
Mailbox Lock Change: HOA-appropriate locks with labelled keys.
We count doors, check hardware grade/condition and discuss goals (one key for all, keypad at main entry, etc.).
Labour, parts and any reinforcement are listed before tools come out.
Cylinders are pinned to new keys; deadbolts and keypads are installed with a clean fit.
We secure strikes/hinges and verify smooth operation; labelled keys handed over. Considering smart access for business doors? See Access Control (Maglocks / Strikes).
Baltimore County
Howard County
Anne Arundel County
Harford County
Carroll County
If your address is inside one of these counties, we’re available to help.
Licensed & insured Maryland locksmiths with clear photo ID
Quality hardware from reputable manufacturers, matched to your doors
Written, itemised estimates and labelled spare keys
Warranty: one year on residential hardware and labour
Respect for your home: drop cloths, sweep-up and tidy finishes
If you need a locksmith to set up your new digital smart lock at home, we’re the ones to call. Whether you’ve lost your keys or just need your locks repaired, we have the tools and equipment to handle any residential locksmith issue.
Rekeying your deadbolt, knob, or sliding door locks is no problem for our residential locksmiths. We can replace broken locks and make you a new set of keys.Lock picking, rekeying, replacing, installing, and repairing locks are just some of the many services we offer to the community.
Nowadays, crooks can use cutting-edge tools to invade your personal space. Your home safety system should keep you safe from threats like these.
Because the quality of our work and the supplies we use directly affects your safety, we only use cutting-edge tools.
Our technicians continually undergo training to ensure that your home receives the best possible security. Our number one goal is the complete and total satisfaction of our residential clients.
Some of our main Residential Locksmith Service include:
Call us or fill out the form below to get a quote.
Many of our referrals come from satisfied customers in and around. Impressive word-of-mouth marketing, to be sure.
To a large extent, our expertise is what has made us the most trusted locksmith . Every one of our locksmiths has extensive experience and knowledge, and they are also warm and helpful to customers.
A professional locksmith is available to you whenever you need one thanks to In-N-Out Locksmith. For your protection and peace of mind, all of our work is professionally guaranteed.
You shouldn’t have to worry about safety whether you’re at home or away from it. Allow us to replace your locks, install a master key system, or rekey your existing locks. Our highly trained and easily accessible technicians will get the job done and with minimal disruption to your day.
In-N-OutLocksmith is the only company you need for home, car, and business security.
Get in touch with our residential locksmiths right away to make an appointment or request emergency service.
We’re here for you!
Yes. Rekeying changes the internal pins so only your new keys work. It’s usually more cost-effective than replacing every lock.
Often yes. If the hardware is compatible, we key-alike your front, back, side and garage doors for convenience.
Yes. Restricted/high-security keyways require an authorization card for duplicates, improving key control.
In many cases we can retrofit a Bluetooth or Wi-Fi keypad while keeping your existing latch and a keyed backup.
Phones are answered 8 AM – 12 AM, seven days a week. We schedule daytime and evening appointments.
Book rekeying or a deadbolt/keypad upgrade anywhere in our five-county service area.
Our Services
Working Hours
Monday – 8:00 AM – 12:00 AM
Tuesday – 8:00 AM – 12:00 AM
Wednesday – 8:00 AM – 12:00 AM
Thursday – 8:00 AM – 12:00 AM
Friday – 8:00 AM – 12:00 AM
Saturday – 8:00 AM – 12:00 AM
Sunday – 8:00 AM – 12:00 AM
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