Maryland Locksmith Services in Greenbelt, MD — Residential, Commercial & Auto
Residential, commercial, automotive and safe services, with clear pricing and trained technicians.
Open 8 AM–11 PM Sun–Fri • Sat Closed
Key Takeaways
- Maryland-based locksmith serving residential, commercial, and automotive needs
- Open Sunday through Friday, 8 AM to 11 PM (closed Saturdays)
- Arrival time may vary based on your location
- Services include lockouts, rekeying, key cutting, smart lock installation, and ignition repair
- Transparent pricing and multiple payment options (cash, card, Cash App, Zelle, Venmo)
- Service areas include Baltimore County, Chales County, Frederick County, Carroll County and many more.
Professional Maryland Locksmith Service
Founded on a simple promise of professional locksmith service at a fair price, Locksmith Guarantee has grown into one of Maryland’s most trusted names in security. As a full-service Maryland locksmith, we handle every lock and key need for your home, office and vehicle under one roof.
How Can We Assist You Today?
Commercial Locksmith
Emergency Locksmith
- Home, office, and vehicle lockout support
- Lock repair or replacement after break-ins
- Lost or stolen key solutions
- Emergency rekeying and access restoration
Residential Locksmith
Automotive Locksmith
- Car lockouts for most makes and models
- Key cutting and duplication
- Key fob and transponder programming
- Ignition cylinder repair
Why Do You Need Professional Locksmith Assistance?
Your home’s security deserves more than a efficient fix. Our residential locksmith services cover everything from rekeying and lock installation to smart lock upgrades and emergency lockout assistance, with solutions tailored to every home and budget.
Our commercial locksmith services are built around your business needs, whether that means high-security lock installation, access control systems, master key setups or emergency lockout assistance. Every solution is tailored to fit your building, your team and your security requirements.
Our residential locksmith services cover everything homeowners need, from broken lock repair and broken key extraction to lock replacement, rekeying, smart lock installation and biometric systems. Serving Greenbelt, Baltimore, Towson, Columbia and surrounding Maryland communities.
Every technician arrives in a clearly marked vehicle, in uniform, and equipped to handle most jobs on the first visit, so you know exactly who is at your door.
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!
John D.
Locksmith Guarantee provided exceptional service when I needed my locks changed after a break-in attempt. They were efficient, and made me feel secure in my home again. Thank you for your expertise and peace of mind!
Sarah K.
I had lost my car keys and was in a panic, but Locksmith Guarantee came to my rescue! The locksmith arrived and made me a new key on site, and saved me from a major headache. Thank you for your excellent service!
Michael P.
Reliable Residential Locksmith Service
Our residential locksmith services cover everything homeowners need — from broken lock repair and broken key extraction to lock replacement, rekeying, smart lock installation and biometric systems. Serving Greenbelt, Baltimore, Towson, Columbia and surrounding Maryland communities.
Every technician arrives in a clearly marked vehicle, in uniform, and equipped to handle most jobs on the first visit — so you know exactly who’s at your door.
Our phone number:
Looking for Quality Locksmith Service?
Our phone number:
Commercial Locksmith Service
Our phone number:
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Our phone number:
Automotive Locksmith Service
Our automotive locksmiths handle everything from car lockouts and car key replacement to ignition repair and key fob programming for most vehicle makes and models across Baltimore, Towson, Columbia, and surrounding Maryland areas.
We assist drivers with lost car keys, broken keys, jammed ignitions, malfunctioning transponder keys, remote programming issues, and emergency vehicle lockouts. Our mobile locksmith units are equipped with the tools and diagnostic equipment needed to complete many automotive locksmith services on-site, helping restore access and functionality without unnecessary towing or dealership scheduling.
Whether you’re locked out in a parking lot, dealing with a key that will not turn, or need a replacement key programmed for your vehicle, our technicians provide dependable service designed to get you back on the road safely and efficiently.
Our phone number:
Looking for Quality Locksmith Service?
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Emergency Locksmith Service
Being locked out of your house, car, or business can be frustrating and disruptive. Our emergency locksmiths provide professional, professional assistance to help restore access safely and securely.
We serve Baltimore, Towson, Columbia, and surrounding Maryland areas with dependable emergency locksmith service available Sunday through Friday, 8 AM to 11 PM. Whether you are locked out late in the evening or dealing with a sudden lock issue during business hours, our team is ready to assist.
Our emergency locksmith services cover residential, automotive, and commercial needs, including lockouts, broken key extraction, lock repair, damaged lock replacement, rekeying, and post-break-in security support. Our technicians arrive with the tools and equipment needed to resolve many issues on-site and help secure your property before leaving.
Whether you need help getting back into your home, unlocking your vehicle, or restoring access to your business, Locksmith Guarantee MD provides reliable emergency locksmith solutions tailored to your situation.
Trusted Locksmith
- Reliable Locksmith Services for Your Security Needs
- Lock Changes and Rekeying Services
- Trusted Automotive Locksmith Near You
service times may vary depending on location and circumstances.
Emergency services are available, but service times may vary.
Locksmith services are provided on a best-efforts basis, and we disclaim any liability for damages or losses resulting from our services.
Why Choose Us?
Pay Us Only When The Job's Done
Commitment to Solutions
Fair
Prices!
Trained & Certified Technicians
Need Help Highest Quality Locksmith Service ?
Our phone number:
Make Sure Your Lock Gets The Best Treatment!
We are continuing service since last 30 years.
- (240) 931-0762
- Sun-Fri 8:00AM - 11:00PM
Frequently Asked Questions
Locksmith Guarantee provides lock installation, repair, rekeying, key duplication, home lockout assistance, security system installation, and smart lock services.
Locksmith Guarantee provides lock installation, repair, rekeying, key duplication, master key systems, access control systems, security system installation, and emergency lockout services for businesses.
Locksmith Guarantee offers a range of automotive locksmith services including car key replacement, key duplication, ignition repair, lockout assistance, and transponder key programming.
Yes, we offer emergency lockout services to help you regain access to your home at any time.
Yes, we can rekey your existing locks to work with a new set of keys, ensuring your home’s security.
We handle all types of locks, including deadbolts, mortise locks, smart locks, high-security locks, and more.
Service costs vary depending on the specific needs and lock types. Please contact us for a detailed quote.
You can reach us by phone, through our website, or via our mobile app to request service. Our team is ready to assist you with your residential, commercial, and automotive locksmith needs.
Brands We Service
Locksmith Service Areas in Maryland
Serving customers across Maryland, including Montgomery County, Prince George’s County, Howard County, and Anne Arundel County.