We are Number #1 Locksmith Service in Prince George's, MD

Locksmith in Prince George’s County, MD

Locksmith Guarantee serves homes, businesses, drivers, and property managers throughout Prince George’s County. From re-keying after a move to installing keypad deadbolts or programming a replacement car key, our technicians arrive with stocked parts and diagnostic tools so most jobs are finished in one visit. You’ll receive clear pricing before work begins and an accurate ETA within our service hours: Sunday through Friday, 8 AM–11 PM (Saturday closed). We’re locally owned, licensed and insured, and BBB-accredited, committed to professional, courteous service across the county.

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Residential Locksmith Services

  • Re-keying & master key systems
  • High-security and smart locks
  • Door/strike reinforcement
  • Mailbox & patio locks
  • Safe opening and combination changes.

Commercial Locksmith Services

  • Access control & keypads
  • Master-key hierarchies
  • Restricted keyways
  • Panic bars/closers/storefront hardware
  • File/cabinet locks 
  • Maintenance plans for multi-site properties.

Automotive Locksmith Services

  • Car key cutting & programming (transponder, remote, proximity)
  • Ignition repair/replacement
  • Broken key extraction
  • Door/trunk keys
  • Many domestic & import models.

Emergency During Open Hours

Locked out or lost a key? We provide on-call service Sun–Fri, 8 AM–11 PM, with an ETA and upfront quote before dispatch. Saturday appointments can be scheduled for non-urgent work.

Call Now: (240) 931-0762

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Quality Professional Service

Lock Service in Prince George's

Lock repair, installation, service or replacement. We can rekey or key-alike and provide large-scale commercial security solutions.​

Key Cutting Service in Prince George's

Top-quality key cutting, both instore and call out. House keys, filing cabinet keys, letter box keys, restricted access and master keys etc

Electronic Security Service in Prince George's

Access Control, CCTV and wireless alarm systems. Talk to us about our software-based security solutions and electronic digital locks.

Master Key Systems in Prince George's

Professional locking systems tailor-made to suit your needs. Our user-friendly system allows you to control entry to all access points.

Automotive Locksmith Service in Prince George's

Car lock out, lost key and damaged lock replacement. Our automotive locksmiths will get you back into the driver’s seat.

Commercial Locksmith Service in Prince George's

Professional & experienced locksmiths provide the commercial sector with a wide range of electronic security systems & locking solutions.
drilling into the door

Committed!

Cities & Areas We Cover in PG County

Greenbelt, College Park, Hyattsville, Beltsville, Laurel, Lanham, Bowie, Upper Marlboro, Riverdale Park, New Carrollton, Landover, Suitland, Clinton, and nearby communities.

Why Prince George's County Chooses Locksmith Guarantee

Licensed & insured • BBB-accredited

Trusted locksmith services you can count on. We’re licensed, insured, and BBB-accredited, providing reliable solutions to keep your home, business, and vehicle secure.

Clear, line-item pricing

Locksmith Guarantee is recognized for delivering top-quality locksmith services at the best prices, making us the trusted choice for customers who want both affordability and reliability.

Background-checked technicians

Our background-checked technicians ensure every service is delivered with professionalism, safety, and peace of mind.

Parts and key blanks on the van for efficient completion

Our vans are fully stocked with parts and key blanks, allowing us to complete most jobs efficiently on the spot.

Locksmith Guarantee

Residential Locksmith Service in Prince George's, MD​

Your home’s security is our top priority. We offer a full range of residential locksmith services in Prince George's, 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.

screwing the door screws

Local Job Snippets

Re-key near Greenbelt Rd (MD-193)

Re-pinned 6 cylinders after a home purchase; added strike reinforcement; 4 new keys provided.

Storefront closer & panic bar in Bowie (MD-450 corridor)

Installed Grade-1 hardware and aligned exit device for smooth egress.

Car key by US-1 in College Park

Cut/programmed a proximity key; verified remote functions and immobilizer pairing.

Commercial Locksmith Services


For businesses in Prince George’s, 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 Prince George’s, 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.

Call to Schedule

Prefer online? Request a quote and we’ll confirm your appointment window.

(240) 931-0762

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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!

Poly Dem

Locksmith Guarantee provided exceptional service when I needed my locks changed after a break-in attempt. They were efficient, efficient, and made me feel secure in my home again. Thank you for your expertise and peace of mind!

Robin Ton

I had lost my car keys and was in a panic, but Locksmith Guarantee came to my rescue! The locksmith arrived efficiently, made me a new key on the spot, and saved me from a major headache. Thank you so much for your excellent and reliable service!

Magar Faw
Address

5442 Stream Bank Ln,
Greenbelt, MD 20770

Phone Number

(240) 931-0762

Email

locksmithguarantee1@gmail.com

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    Re-Keying • Smart Locks • Ignition Repair • Contact