Look at the whole opening
A deadbolt that turns while the door is open but binds when it closes may be meeting a misaligned strike or a shifted door. A loose lever can involve its fixing points rather than the key cylinder. Describe these differences when you call. Do not remove hardware from a door you need to keep secure. Photos of the full door, edge and lock face are useful if a photo-sharing method is agreed during the call.
Moving in or changing who holds a key
A new set of people using a home does not always require new handles. Rekeying changes which key operates suitable existing cylinders. Replacement makes more sense when hardware is worn, damaged, incompatible or no longer meets the intended use. List every exterior door and any garage-to-house entrance, then identify which keys should work on which openings. Matching finishes does not prove that cylinders can share a key.
Keep shared access separate
For a rental in Charles Village or Mount Vernon, the person authorizing work on a unit may not control the building’s common entrance. Confirm the owner or manager’s instructions before a visit. Tell us about any building key system or restrictions on hardware. A locksmith appointment should not leave a neighbor locked out or alter an entrance outside the approved scope.
Choose hardware for the door you have
Door thickness, existing holes, handing and frame condition affect what can be installed. Keypad products also need a sensible plan for batteries, backup entry and account ownership. Ask for compatibility to be assessed before purchasing hardware solely for its appearance. At completion, operate the door normally, test the approved keys and make sure any remaining door-fit issue is clearly identified.