We are Number #1 Locksmith Service in Baltimore, MD
Locksmith in Baltimore County, MD
Locksmith Guarantee supports homeowners, businesses, and drivers across Baltimore County from Towson and Catonsville to Parkville and Essex. We handle re-keying, high-security and smart locks, storefront hardware, car keys and ignitions, and safe services. You will get clear pricing before we start work. You will also receive an accurate ETA during our service hours. We are available Sunday through Friday, from 8 AM to 11 PM. We are closed on Saturdays. Our licensed and insured team is BBB-accredited. They arrive in equipped service vans, so most jobs are done in one visit. We always work professionally and courteously.
Residential Locksmith Services
- Re-keying and master key systems
- Grade-1 deadbolts
- Smart locks and keypads
- Door and strike reinforcement
- Mailbox and patio locks
- Safe opening and combination changes
Commercial Locksmith Services
- Access control & keypads
- Master-key hierarchies
- Restricted keyways
- Panic bars/closers/storefront service
- File/cabinet locks
- Maintenance for multi-site properties.
Automotive Locksmith Services
- Car key cutting & programming (transponder, remote, proximity)
- Ignition diagnosis/repair/replacement
- Broken key extraction
- Door/trunk keys
- Many domestic & import models.
Emergency During Open Hours
On-call Sun–Fri, 8 AM–11 PM, with ETA and upfront quote before dispatch. Saturday closed; schedule non-urgent work in advance.
Quality Professional Service
Lock Service in Baltimore
Key Cutting Service in Baltimore
Electronic Security Service in Baltimore
Master Key Systems in Baltimore
Automotive Locksmith Service in Baltimore
Commercial Locksmith Service in Baltimore
Committed!
Cities & Areas We Cover in Baltimore County
Towson, Catonsville, Dundalk, Essex, Parkville, Timonium, Owings Mills, Pikesville, Randallstown, Middle River, and corridors along I-695, I-83, US-40, and York Rd.
Locksmith Guarantee
Residential Locksmith Service in Baltimore, MD
Your home’s security is our top priority. We offer a full range of residential locksmith services in Baltimore, 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.
Why Choose Us
Local Job Snippets
Re-key in Towson near York Rd
Re-pinned 6 cylinders after home purchase; keyed-alike exterior doors; 4 new keys provided.
Storefront exit device in Catonsville (US-40)
Installed panic bar and adjusted closer for smooth egress.
Car key by I-695/Parkville
Cut and programmed a proximity key; verified remote lock/unlock and immobilizer pairing.
Commercial Locksmith Services
For businesses in Baltimore, 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
Automotive locksmith services in Baltimore, 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. Frequently Ask Questions
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.
Clients Love
Testimonial
I was locked out of my house late at night, and Locksmith Guarantee came to the rescue within minutes! 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