Greenbelt Homes, Co-ops & Apartments
From historic Greenbelt homes to Greenbriar and Franklin Park area residences, we handle cylinder rekeying, house lockouts, and deadbolt repairs respecting HOA/co-op door rules.
Licensed mobile residential, commercial, and automotive locksmith service in Greenbelt, MD (Prince George's County). Call with your street address and lock or key issue to confirm parts compatibility, current dispatch availability, and upfront pricing.
Greenbelt is a city in Prince George's County, Maryland, United States, and a suburb of Washington, D.C. At the 2020 census, the population was 24,921. Greenbelt is home to Locksmith Guarantee's primary dispatch address at 5442 Stream Bank Ln, Greenbelt, MD 20770. Because our technicians operate out of equipped mobile workshop vans on active calls along Greenbelt Road (MD-193), Kenilworth Avenue (MD-201), and the Capital Beltway, always call (240) 931-0762 to schedule at your exact property or parking lot rather than making an unannounced walk-in trip.
Greenbelt is in Prince George's County and is the location of the business address listed by Locksmith Guarantee. Service requests should still identify the actual property or vehicle location; the city name does not establish a meeting point. For a managed or shared property, explain the entrance involved and who controls its keys. Call before making plans to visit a business address, since a listed address does not by itself confirm walk-in service.
From historic Greenbelt homes to Greenbriar and Franklin Park area residences, we handle cylinder rekeying, house lockouts, and deadbolt repairs respecting HOA/co-op door rules.
Local offices, retail storefronts, and warehouses across Greenbelt rely on commercial lock service, panic bar maintenance, and access control.
Parked at Greenbelt Metro, Greenway Center, or home? Our mobile unit provides car key replacement, fob programming, and car lockout entry.
We also assist Greenbelt residents and offices with safe opening, mailbox locks, and file cabinet locks.
| Greenbelt Property Type | Key Details to Share When Calling | Common Hardware Needs | Important Local Note |
|---|---|---|---|
| Single-Family, Townhome & Co-op | Full street/court address, entrance side (service side vs. garden side), and co-op/HOA trim rules. | Cylinder rekeying, mortise or bored latch repair, and keypad deadbolts. | Obtain cooperative or landlord permission before modifying shared or regulated exterior trim. |
| Greenbelt Office & Retail Suites | Building number, suite, loading/parking access, and authorizing manager. | Adams Rite storefront deadlatches, Grade 1 levers, closers & master keys. | We coordinate both mechanical cylinder security and single-motion exit hardware. |
| Metro & Shopping-Lot Vehicles | Exact lot/garage level, vehicle year, make, model, and spare-key status. | Transponder keys, push-button proximity fobs, and non-destructive cabin entry. | Photo ID and registration matching the VIN are verified at the vehicle. |
| 5442 Stream Bank Ln Dispatch Base | Call (240) 931-0762 first—technicians work out of mobile vans across the field. | Mobile key cutting, precision brass pinning, and OBD-II programming. | Listed business address is our dispatch base, not an unscheduled walk-in counter. |
Call (240) 931-0762 with your street number, unit, and access notes near Greenbelt Road (MD-193), Kenilworth Avenue (MD-201), and I-495 / Baltimore-Washington Parkway so dispatch locates the right entrance in Prince George's County.
For Greenbelt door hardware, text a efficient photo of the lock face and edge; for car keys, share your make, model, year, and spare-key status.
At your Greenbelt, MD address, our MD License #507 technician confirms ownership or manager authority and reviews the exact price before starting.
Test newly cut keys, rekeyed cylinders, commercial latches, or programmed fobs directly at your Greenbelt property before sign-off.
Whether servicing an entry deadbolt, storefront latch, or parked car in Greenbelt, MD, accurate diagnosis avoids needless parts swaps. Comparing open-door rotation against closed-door strike engagement pinpoints why Greenbelt locks bind as humidity and building frames shift.
Our Greenbelt-dispatched vans (0.4 mi straight-line from Greenbelt) stock Baldwin, Corbin Russwin, Sargent, and Schlage pinning supplies plus mobile cutters for Nissan, Hyundai, Jeep, and BMW keys.

Comparison diagram: Rekeying resets key pin combinations inside healthy cylinders, while replacement addresses worn mechanics or functional upgrades.


Locksmith Guarantee operates equipped mobile workshops out of 5442 Stream Bank Ln, Greenbelt, MD 20770 under Maryland License #507 (about Locksmith Guarantee). When dispatched to Greenbelt, MD along Greenbelt Road (MD-193), Kenilworth Avenue (MD-201), and I-495 / Baltimore-Washington Parkway, we confirm ownership or management authorization and provide a clear scope and price review before touching your lock or vehicle.
Browse field examples in the service photo gallery and verified ratings on our Google reviews feed.

Technicians dispatch from our licensed Greenbelt, MD workshop (5442 Stream Bank Ln, 0.4 mi from Greenbelt in a straight line) along Greenbelt Road (MD-193), Kenilworth Avenue (MD-201), and I-495 / Baltimore-Washington Parkway. We do not claim a separate retail counter in Greenbelt.
Greenbelt is in Prince George's County and is the location of the business address listed by Locksmith Guarantee. Service requests should still identify the actual property or vehicle location; the city name does not establish a meeting point. For a managed or shared property, explain the entrance involved and who controls its keys. Call before making plans to visit a business address, since a listed address does not by itself confirm walk-in service.
If your existing Greenbelt deadbolts and handlesets turn cleanly and have sound finishes, cylinder rekeying retires old keys at lower cost; if latches sag or finishes are corroded, hardware replacement makes more sense.
In many Greenbelt roadside, driveway, and commuter-lot cases, yes—confirm your exact year, make, model, and VIN ownership paperwork with dispatch at (240) 931-0762 first.
Private unit work requires documented tenant/landlord permission, while shared lobbies, storefronts, or master-keyed doors in Greenbelt require facility manager or owner approval.
Yes—nearby service pages cover New Carrollton, College Park, Lanham and other Prince George's County addresses. Reach out with your exact street number and ZIP code.
Include your street address, affected lock or vehicle details, and current symptoms (omit private PINs or sensitive ID scans). For priority availability, call (240) 931-0762.
5442 Stream Bank Ln, Greenbelt, MD 20770 • MD License #507 • locksmithguarantee1@gmail.com