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.
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-priority work.
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.
Professional Locksmith Service Across Prince George’s County
Prince George’s County is Maryland’s second-most populous county, bordering Washington DC to the east and stretching from the dense urban corridors of Hyattsville and College Park down through suburban Bowie and Largo to the more spacious communities of Upper Marlboro and Clinton. This geographic diversity creates varied security needs across residential, commercial, and institutional properties. Locksmith Guarantee serves the entire county with consistent professionalism, transparent pricing, and reliable service whether you’re in a historic Greenbelt townhome or a modern Oxon Hill apartment complex.
Our technicians navigate Prince George’s County’s major routes daily — the Capital Beltway (I-495), the Baltimore-Washington Parkway, US-1, and MD-210 — ensuring we reach every neighborhood with realistic scheduling and prepared service vehicles. From the University of Maryland campus area to the National Harbor waterfront, we handle residential lockouts, commercial access control installations, automotive key programming, and security upgrades throughout the county.
Urban Core & University Communities
Hyattsville, College Park, and Greenbelt form the county’s northern urban corridor with a high concentration of renters, students, and young professionals. These areas feature older housing stock mixed with newer apartment developments, and turnover rates mean frequent rekeying requests and lock replacements. We work with individual tenants, landlords, and property management companies to keep these high-density neighborhoods secure.
Commercial & Government Facilities
Prince George’s County hosts significant commercial and government infrastructure — from the FedEx Field area and National Harbor retail district to county government offices in Upper Marlboro. These facilities require professional access control systems, scheduled maintenance, and responsive service that minimizes operational disruption. We coordinate with facility managers to deliver commercial-grade security solutions on schedule.
Suburban Family Neighborhoods
Bowie, Largo, Fort Washington, and Clinton represent Prince George’s County’s suburban residential core — single-family homes, townhouse communities, and planned developments where families prioritize home security. We handle everything from smart lock installations to full door hardware upgrades, helping homeowners modernize aging locks and improve entry security without unnecessary upselling.
Automotive Service County-Wide
Prince George’s County’s commuter-heavy population relies on personal vehicles, and car lockouts and key issues are common along major routes like the Beltway, US-50, and MD-4. Our mobile automotive team provides on-site key replacement and programming, ignition repair, and lockout service throughout the county — no towing required in most cases.
Additional Services Available Throughout Prince George’s County
Beyond standard residential and commercial locksmith work, Locksmith Guarantee handles specialty requests across the county. Safe opening and combination services support homeowners and businesses dealing with inherited or forgotten safes. Multi-unit properties and HOA communities — common in Bowie, Greenbelt, and Largo — benefit from professionally designed master key systems that give property managers hierarchical access control without compromising individual unit security.
Prince George’s County Cities & Communities We Serve
Our service area covers all of Prince George’s County — from the DC border communities in the west to the southern and eastern neighborhoods along the Patuxent River. If you’re in Prince George’s County, we serve you.
Primary Service Cities
Additional Areas We Reach
Why Prince George's County Chooses Locksmith Guarantee
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.
Frequently Ask Questions
Call to Schedule
Prefer online? Request a quote and we’ll confirm your appointment window.
5442 Stream Bank Ln, Greenbelt, MD 20770
(240) 931-0762
locksmithguarantee1@gmail.com