Master Key System in Lake Success, NY

The $195 to $850+ range reflects two things: how many doors get rekeyed into the system, and how many tiers of access you need. A single-tenant suite with one master and a few sub-keys sits at the low end.

A multi-floor office building or medical campus with grandmaster, master, and individual keys for dozens of doors costs more because each cylinder has to be engineered to fit the hierarchy without any key opening a lock it shouldn't. The technician quotes the exact price on the callback once you describe the building and door count, before anything is scheduled.

Lake Success has no LIRR stop, so every job here is a car trip in on the LIE or Northern State Parkway, both of which run through the village. That direct highway access is why the arrival window holds at 15 to 30 minutes even though the village is mostly office parks and medical buildings rather than a walkable downtown.

When you call, tell the dispatcher which complex you're in (office park, medical building, or standalone) and whether there's a specific entrance or suite number, since many of these properties have multiple building numbers on one campus.

Have a door count and a rough sense of who needs which level of access: property manager or building owner at the top, then floor or department managers, then individual tenants or offices. If you already have keys or cylinders from a previous system, set those aside so the technician can check whether they can be worked into the new hierarchy or need full replacement.

For medical offices or corporate suites, confirm ahead of time who's authorized to approve the job, since master key work often needs sign-off beyond just whoever is on site.