Non-destructive entry first, always - and we re-key Schlage, Kwikset, and Baldwin locks on the spot while you watch
You get a price before we start. It does not change when we arrive. No surprises.
Medeco Locksmith in Philadelphia, NY | Novak Lock & Security
We service Medeco locks across Philadelphia, from South Philly rowhouses to converted Fishtown lofts. The thing that separates our Medeco work here: we deal with high-security cylinders stuffed into century-old mortise lock bodies that have settled, shifted, and been rekeyed more times than anyone can count. If you need Lock Installation & Rekey in Philadelphia for a Medeco cylinder, a Maxum deadbolt that won’t throw, or key control restored after a tenant turnover, call (331) 310-8471. We quote a firm price on the phone and honor it at the door.
Why Philadelphia Residents Choose Us for Medeco Service
Novak Lock & Security has worked on Medeco hardware in Philadelphia long enough to know which models field-service well and which ones need a cylinder swap before they fail again. Daniel Novak, our owner, learned the trade working New York City doors, deadbolts, and cylinders for nearly two decades, and he built this company on the rule that the price on the phone is the price on the invoice. That matters when you’re staring at a Medeco M3 cylinder that won’t turn in a 1920s mortise body.
We’re an independent Medeco service provider, not a factory affiliate. That independence means we tell you when a used cylinder can be rekeyed cleanly and when you’re better off spending the money on a replacement. We use genuine Medeco cylinders, pins, and tailpieces because these locks run tight tolerances. Aftermarket parts rarely survive a Philadelphia winter followed by a humid August. Our techs are background-checked, uniformed, and they document every visit with photos before they leave your door. For the full scope of our Medeco work, see our Medeco sales & service page.
Common Medeco Locksmith Problems We Solve in Philadelphia

- Medeco mortise cylinders binding inside rowhouse lock bodies. Philadelphia’s pre-1940 brick rowhouses settle constantly. When the party wall shifts, the door frame twists, and the strike plate no longer lines up with the bolt. A Medeco cylinder that ran smooth for twenty years suddenly feels gritty. We pull the cylinder, clean the keyway, inspect the pins, and re-align the strike so the lock works without forcing it.
- Worn Medeco keyways and pins from decades of rekeying. South Philly and Kensington locksmiths have been rekeying the same Corbin and Eagle mortise locks for eight decades. Many of those original lock bodies now carry retrofit Medeco cylinders with pins worn past tolerance. The key sticks, or won’t turn at all. Rekeying only works if the keyway itself isn’t wallowed out; if it is, we recommend a full cylinder replacement, not a patch job.
- Medeco Maxum deadbolts throwing short when door frames go out of plumb. This is a Philadelphia brick rowhouse problem. The Maxum is a solid deadbolt, but if your frame has bowed from thirty-plus freeze-thaw cycles a year, the bolt doesn’t reach full throw. We realign or re-mortise the strike pocket and, when needed, replace the tailpiece so the bolt seats fully.
- Key control gaps after a property changes hands. Medeco’s patented key control is the whole point of the system: nobody can copy a key without your authorization. But if a tenant leaves a Fishtown rental and you don’t know how many keys are out there, that control is gone. We replace the cylinders, issue new restricted keys, and document the new key count in writing.
- Frozen or stiff Medeco locks in winter. Philadelphia averages over thirty freeze-thaw cycles per winter. Moisture gets into the door frame, freezes, expands, and squeezes the lock body. The key won’t insert or the plug won’t rotate. We use a dry graphite or PTFE lubricant rated for high-security cylinders, not WD-40, which gums up tight Medeco tolerances.
Medeco Service in Philadelphia: What Local Conditions Mean for Your Equipment
Here’s something you won’t read on a generic Medeco page. Philadelphia has more occupied rowhouses than any other American city. In those pre-1940 brick shells, we regularly find Medeco cylinders retrofit into original Corbin or Eagle mortise lock bodies that have been rekeyed so many times the pins are worn beyond standard replacement. The lock body might be ninety years old. The cylinder might be fifteen. The door frame has settled, the strike plate has shifted, and the freeze-thaw cycle has bowed the wood. A pairing like this is almost nonexistent in newer suburban Montgomery or Delaware County housing. Inside city limits, it’s a bread-and-butter service call. That means Medeco work in Philadelphia demands more than brand knowledge: it requires fluency in obsolete mortise hardware, patience with out-of-plumb frames, and the honesty to say when a cylinder is too far gone to rekey. We do that work every week.
One example. Our tech pulled a Medeco Maxum deadbolt from a South Philly rowhouse on Mifflin Street where the bolt had been throwing short for weeks. The cast-iron strike plate had shifted with the settling party wall, and years of freeze-thaw had bowed the pine frame. We mortised out the strike pocket, shimmed the plate with steel washers, and replaced the worn Medeco tailpiece, then cycled the bolt a dozen times to confirm it throws fully without binding. That’s the difference between a parts-swap and a fix that holds.
Medeco Models & Products We Service in Philadelphia

We service the Medeco model lines most common in Philadelphia residential and small-commercial settings. That includes the Medeco Maxum Deadbolt, the Medeco M3 Cylinder, Medeco 11W Series mortise cylinders, and legacy Medeco KeyMark cylinders still running in older buildings. Our parts approach is simple: genuine Medeco whenever possible. Tight-tolerance locks need exact-spec pins, springs, and tailpieces. We stock common Medeco pin kits and cylinder components locally so most Philadelphia jobs finish same-day without waiting on a shipment. When a mortise lock body itself is cracked or a keyway is wallowed out, we don’t rebuild it; we replace the cylinder and rekey the surrounding hardware to match.
Medeco Service Pricing in Philadelphia
Medeco work costs more than entry-grade Kwikset or Schlage service because the components cost more and the labor takes longer. Here’s what you can expect in Philadelphia:
- Medeco cylinder rekey (per cylinder): $35-$65, depending on M3 vs. 11W Series and cylinder condition
- Medeco Maxum deadbolt installation: $180-$320, including strike alignment and tailpiece setup
- Medeco mortise cylinder replacement (parts and labor): $140-$240 per cylinder
- Key control restore (new cylinders, restricted keys, documentation): $120-$200 per lock, depending on cylinder count
- Emergency lockout with Medeco cylinder (non-destructive entry): $95-$160
We quote the full price on the phone before a tech is dispatched, and that’s the price on the invoice. No call-out surcharge added on arrival. No “well, it’s worse than we thought” price bump. Haven Standard Clause 1 is the rule we built this company on. Call (331) 310-8471 for an exact quote on your Medeco job; estimates are free and they’re firm.
Serving Philadelphia, PA - Our Local Coverage Area

We’re based in the Philadelphia 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 Philadelphia
Your deadbolt sticks because Philadelphia’s thirty-plus annual freeze-thaw cycles cause the wooden door frame to swell, contract, and gradually warp, which shifts the strike plate and pinches the bolt or cylinder. The fix is usually realigning the strike plate, which we do on-site, not forcing the lock or filing the bolt. Call (331) 310-8471 and we’ll diagnose it before touching anything.
Sometimes. If the keyway is still tight and the cylinder walls aren’t worn, we can rekey it with fresh Medeco pins and have it running in under an hour. If the keyway is wallowed out or the cylinder body is cracked, rekeying is throwing money away; we’ll tell you that plainly and quote a replacement cylinder instead. Call (331) 310-8471 for a straight answer.
You don’t know how many copies of that key are floating around, which means the patented key control is already compromised. The honest fix is replacing the cylinders, which voids every old key, and issuing new restricted keys with a documented count. We do this for Philadelphia landlords regularly and we put the full key inventory in writing. Call (331) 310-8471 for per-cylinder pricing.
The Maxum is a well-built deadbolt, but no deadbolt fixes a door frame that’s out of plumb. We’d rather correct the strike alignment first, then install the Maxum so it throws fully every time. In a severely warped frame, we’ll say so before you spend the money. Call (331) 310-8471 and we’ll assess the door honestly.
The M3 uses a newer pin-and-sidebar system with tighter key control tolerances, so rekeying requires matching the exact M3 pin profile. The 11W is simpler mechanically but often worn from years of use in original mortise bodies, which means the keyway may be too loose for a clean rekey. We inspect both the cylinder and the host lock body before recommending any work. Call (331) 310-8471 for a free phone estimate.
Service Areas Near Philadelphia

Novak Lock & Security serves Philadelphia and the surrounding metro. We also handle Medeco work further out: Philadelphia service area covers the full city, and for comparable urban rowhouse work, see our Medeco service in Manhattan and Medeco service in Phoenix pages. Call (331) 310-8471 to confirm coverage in your neighborhood.
Book Your Medeco Service in Philadelphia Today
Need a Philadelphia Emergency Locksmith for a Medeco cylinder rekeyed, a Maxum deadbolt looked at, or key control restored? Call (331) 310-8471. A live person answers, we quote a firm price before dispatch, and we can often have a tech to your Philadelphia door the same day. The name on the van is the same name on the invoice.
Written by Daniel Novak, Owner at Novak Lock & Security, serving Philadelphia since 2002.






