From Columbia and Ellicott City to Elkridge and Jessup, Locksmith Guarantee provides reliable residential, commercial, automotive, and safe services throughout Howard County. Our trained technicians arrive in equipped service vans, explain options, and give clear pricing before work begins. We operate Sunday through Friday, 8 AM–11 PM (Saturday closed). Whether you’re consolidating keys after a move, setting up keypad access for a small office, or replacing a lost key fob without a tow, we’re ready to help with professional, courteous service.
On-call Sun–Fri, 8 AM–11 PM, with ETA and an upfront quote before dispatch. Saturday closed; schedule non-priority work ahead.
Committed!
Columbia, Ellicott City, Elkridge, Laurel (Howard side), Savage, Jessup, Clarksville, Fulton, Highland, and surrounding communities along US-29, I-95, MD-32, and MD-108.
Your home’s security is our top priority. We offer a full range of residential locksmith services in Howard County, MD to ensure that your home remains safe and secure. Whether you need new locks installed or keys replaced, our skilled locksmiths can handle it all.
Our residential services include:
Key Duplication and Replacement: Lost your house key? We can duplicate or replace your keys so you never have to worry about being locked out again.
Lock Installation and Repair: We install and repair a wide range of locks, including deadbolts, smart locks, and high-security systems. Whether you need a new lock or your current one needs a fix, we’re here to help.
Lockout Services: Locked out of your home? Our technicians can get you back inside without causing any damage to your locks or doors.
Re-pinned 6 cylinders after home purchase; keyed-alike exterior doors; provided 4 new keys.
Installed keypad deadbolt with audit codes; trained staff on code management.
Replaced worn cylinder wafers; matched ignition to existing door key.
For businesses in Howard County, MD, security is critical. We offer comprehensive commercial locksmith services designed to protect your assets, employees, and property. Our commercial locksmiths specialize in installing and maintaining high-security locks and access systems that meet the unique needs of your business.
Automotive locksmith services in Howard County, MD can save you from the stress of being locked out of your vehicle or dealing with a malfunctioning ignition. Whether you’ve lost your keys or broken them in the lock, our expert technicians are here to assist you.
Business rekey service involves changing the internal mechanism of locks so that they can be operated by new keys, enhancing security.
Rekeying is recommended when keys are lost, stolen, or unaccounted for, or when there is a change in personnel or ownership.
No, rekeying involves changing the internal pins of the lock, allowing it to work with a new key without replacing the entire lock.
Yes, locksmiths can rekey multiple locks to operate with a single master key for added convenience.
Yes, rekeying enhances security by preventing unauthorized access with old keys and providing control over who has access to your premises.
Prefer online? Request a quote and we’ll confirm your appointment window.
I was locked out of my house late at night, and Locksmith Guarantee came to the rescue withwithin a reasonable timeframe! The locksmith was professional, friendly, and had me back inside in no time. I am very happy with their service. Highly recommend their services!
5442 Stream Bank Ln, Greenbelt, MD 20770
(240) 931-0762
locksmithguarantee1@gmail.com