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Medeco Locksmith in Manhattan, NY | Novak Lock & Security
Novak Lock & Security provides independent Medeco locksmith service across Manhattan, from Battery Park to Inwood, and Brooklyn Medeco service as well. We rekey, pin, and repair Medeco M3, Maxum, 51 Series, and KeyMark cylinders without routing through a manufacturer service channel. What makes our Medeco work different here: we understand how Manhattan’s co-op boards and management companies control key systems, and we do the paperwork before we touch the cylinder. Call (331) 310-8471 and you’ll get a firm price in writing before anyone is dispatched.
Why Manhattan Residents Choose Us for Medeco Service
Medeco isn’t a lock you hand to any locksmith with a van. The cylinders use restricted keyways and tight tolerances that punish sloppy pinning. We’ve been servicing Medeco across Manhattan for years, including pre-war walk-ups on the Upper West Side and high-rises in Midtown where a master key system controls every apartment door. Daniel Novak, our owner, learned the trade at Queensborough Community College before apprenticing under a locksmith who serviced commercial accounts in Midtown. That experience shows up in how we handle a Medeco call: we check the building’s key-control policy first, quote a firm price second, and only then turn a cylinder. We stock genuine Medeco pins, sidebars, and cylinders so most Manhattan jobs are done in a single visit. For broader context on our service footprint, see our Manhattan service area page.
Common Medeco Locksmith Problems We Solve in Manhattan

- Seized M3 cylinders on exterior doors. Salt-laden air off the Hudson and East River accelerates corrosion on brass pins. We see M3 cylinders on building entrances in Battery Park City and the Financial District where keys bind and snap inside the plug. We replace the cylinder and re-pin to the existing master system.
- Maxum deadbolts that won’t throw in pre-war frames. Every winter, freeze-thaw cycles warp steel door frames in older buildings across Hell’s Kitchen and Washington Heights. The latch jams against the strike plate. We realign or replace the strike and verify the bolt seats fully before we leave.
- 51 Series mortise cylinders with worn sidebar teeth. In older co-ops, these cylinders wear unevenly after decades of use. Duplicate keys cut from the original won’t turn unless you back the key out a fraction of an inch. We diagnose the wear pattern and repin or replace the cylinder as needed.
- KeyMark emergency rekeys after a lost key. A lost KeyMark key in a rental building means the restricted blank can’t be cut without a signature card. We repin the cylinder on-site, cut new keys through the management company’s key-control log, and get the tenant back inside the same day.
- Police lock integration with Medeco deadbolts. Pre-war apartments often pair a Medeco deadbolt with a Fox Police Lock or Segal floor brace. We service both together, because a Medeco cylinder on the door doesn’t help if the police lock won’t set properly.
Medeco Service in Manhattan: What Local Conditions Mean for Your Equipment
Manhattan’s housing stock is almost entirely dense multi-family: co-ops, condos, and rental high-rises governed by NYC Administrative Code § 27-2043, which mandates deadbolt locks on apartment entrance doors. That’s different from a suburban Medeco call in every way. A locksmith in the suburbs shows up, rekeys the front door, and leaves. Here, unlike Lock Installation & Rekey in Manhattan jobs, the call usually starts with a phone call to the managing agent to confirm the building’s key-control policy. Co-op boards on the Upper East Side and Upper West Side routinely require tenant lock cylinders to be keyed into the building’s master system with restricted keys. Medeco gets chosen precisely because its key blanks can’t be duplicated at a corner hardware store. So before we cut a single key, we verify who’s authorized to sign off. That step, done wrong, turns a one-hour job into a three-trip ordeal with a locked-out tenant and an annoyed super. We do it right the first time because we’ve done it hundreds of times.
Medeco Models & Products We Service in Manhattan

We service the full Medeco line: M3, Maxum, 51 Series, and KeyMark. On any repair, we use genuine Medeco cylinders, pins, and sidebars whenever possible. The patented keyways and tight tolerances make aftermarket drop-in parts a real risk for key binding and premature wear. We only recommend replacement over repair when a Medeco cylinder’s shell has been drilled, split, or the keyway is so pitted from salt corrosion that repinning won’t restore reliable turning. For building managers, we also handle master key systems and access control integration on Medeco hardware. Our Manhattan vans carry common Medeco cylinders and pinning kits so we aren’t running back to a shop mid-job. For more on the brand itself, see our Medeco sales & service overview.
Medeco Service Pricing in Manhattan
Medeco service in Manhattan typically runs $95 to $165 for a service call plus labor, and $45 to $85 per cylinder for rekeying or repinning, depending on whether we’re working with an M3, Maxum, 51 Series, or KeyMark system. A full cylinder replacement with genuine Medeco hardware usually lands between $180 and $340 per cylinder. If you’re on a pre-war walk-up with a police lock to service at the same time, add $40 to $70 for that work. Every quote is firm and written before we dispatch. Haven Standard Clause 1: the price on the phone is the price on the invoice. Call (331) 310-8471 for an exact quote. Estimates are free.
Serving Manhattan, NY - Our Local Coverage Area

We’re based in the Manhattan area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs - Medeco Locksmith in Manhattan
That stamp means the key blank is restricted by Medeco’s key-control system. A hardware store can’t legally cut it without the registered signature card. In Manhattan, you get a copy through the locksmith who set up the system, or through your building’s managing agent. We cut Medeco keys on-site, but only after verifying you’re authorized on the key-control log. Call (331) 310-8471 and we’ll tell you exactly what documentation we need.
Yes. Rekeying is repinning the existing cylinder to a new key, and it’s the standard solution when a tenant moves out or a key goes missing. The cylinder stays in the door; only the pins change. In a co-op, we first confirm the building’s master key policy so the rekeyed cylinder still works with the super’s master key. That’s the step that keeps a standard rekey from becoming a board violation.
Most of the time it’s the frame. Pre-war buildings in Manhattan settle and flex through freeze-thaw cycles, and steel door frames warp. The deadbolt is fine; the latch just can’t seat in the strike plate anymore. We realign the strike, sometimes file or replace it, and the lock works again. If the cylinder itself is the problem, we’ll tell you plainly and quote a replacement in writing before any work starts.
For most Manhattan apartments, a Schlage deadbolt is adequate. Medeco earns its cost when key control matters: buildings with master key systems, co-ops with strict security policies, or landlords who’ve had problems with unauthorized key copies. If your building requires restricted keys, Medeco isn’t an upgrade; it’s the requirement. If it doesn’t, we’ll tell you honestly whether the extra spend makes sense for your situation.
That depends on the building. Many Manhattan co-ops and condos prohibit smart locks that replace the existing cylinder or change the exterior trim without board approval. Some permit retrofit smart locks that work over the existing deadbolt. Before we install anything, we review your building’s policy and, if needed, coordinate with the managing agent. We won’t put a lock on your door that gets you fined or voided on your insurance. Call (331) 310-8471 and we’ll walk you through it.
Service Areas Near Manhattan

We serve all of Manhattan, plus the surrounding boroughs. Our Medeco technicians also cover Medeco service in San Antonio and Medeco service in San Diego for clients with properties in those markets. In the New York metro, we regularly work in Brooklyn, Queens, and parts of the Bronx. If you’re in Manhattan and need Medeco service, we’re the local call.
Book Your Medeco Service in Manhattan Today
We answer the phone live, 24/7. If you need a Medeco rekey, repair, or new cylinder in Manhattan, call (331) 310-8471 and you’ll get a firm price in writing before we dispatch. The name on the van is the same name on the invoice.
Written by Daniel Novak, Owner of Novak Lock & Security, serving Manhattan since 2002.






