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.
Fast, Reliable Lock Installation & Rekey Across Center City
Lock installation and rekeying in Center City runs on a different clock than the suburbs. A typical rekey here costs $25-$45 per cylinder, and a standard deadbolt installation runs $95-$180, quoted in writing before we dispatch. We serve every neighborhood from Rittenhouse Square to Washington Square West, and our technicians know the difference between a 1780s rim lock and a 2023 cloud-managed smart lock because we work on both in the same week. If you need a lock installed or rekeyed today, call (331) 310-8471 and a live person will answer.
Why Novak Lock & Security Is Center City’s Preferred Lock Installation & Rekey Company
Center City homeowners ask us for two things: a firm price before we arrive and a technician who understands historic hardware. We deliver both. Daniel Novak set the pricing rule in 2002, and it has not changed: the dispatcher quotes a price on the phone, and the technician is contractually prohibited from changing it at the door. That rule is Haven Standard Clause 1. It applies to every Lock Installation & Rekey job we perform in Center City, from a single cylinder rekey in a Fitler Square condo to a full restricted-key retrofit in a Society Hill rowhouse.
Our technicians are background-checked and uniformed. Every visit ends with a documented photo record left with the customer. When we rekey a Sargent mortise lock near Old City, we photograph the pinning before and after, note the cylinder grade, and hand you the record before we leave. That is not a courtesy. It is Haven Standard Clause 6.
Center City dispatch is coordinated from the Philadelphia office, and crews serve Center City directly. Response time to most addresses between Vine Street and South Street is under 90 minutes for non-emergency calls, and emergency lockout response is typically faster. We answer the phone 24/7 with a live person, not a voicemail tree.
Our Lock Installation & Rekey Services in Center City

Smart Lock Installation
A smart lock retrofit on a Center City rowhouse is not a plug-and-play job. Many entries still carry original rim locks or narrow-stile mortise prep, and the new keyway geometry often conflicts with the old latching plates. We see this regularly in Washington Square West: a door that appears latched but is not actually secured because the smart lock’s deadbolt throws into a misaligned strike. We correct the strike alignment, replace or rework the faceplate, and test the lock through a full open-close cycle before we call the job done. Smart lock installation in Center City typically runs $165-$285 for the labor, depending on door prep.

Keyless Entry
Keyless entry systems make sense in Center City buildings where multiple people need access: the dog walker, the cleaner, the building engineer, the neighbor checking on a package delivery. We install standalone keypad deadbolts, keypad levers, and full keyless entry systems with audit trails. For condos near Rittenhouse Square, we commonly configure keyless entry with unique user codes and time-restricted access so a property manager can see exactly who entered and when. Labor for keyless entry installation runs $140-$240 per opening in Center City, written in full before the first screw comes out.

Keypad Lock
Keypad locks on Center City rowhouse front doors need to survive freeze-thaw cycles that push old brick lintels and wooden frames out of alignment. A keypad deadbolt is only as reliable as the strike plate behind it. When we install keypad locks in neighborhoods like Society Hill or Queen Village, we often replace the strike plate with a reinforced box strike and shim the frame to correct years of seasonal drift. That prevents the January phenomenon of a deadbolt that binds against the strike plate and refuses to extend. Keypad lock installation runs $130-$220 labor, and we stock keypad hardware compatible with most existing rowhouse door preps.

Biometric Lock
Biometric locks are a growing request in Center City loft conversions near Old City, where former warehouse buildings often have heavy commercial-grade doors. A fingerprint reader or facial-recognition lock on a steel-frame door requires different mounting hardware than a residential wood door. We install biometric locks from Yale and other major brands, and we match the lock’s power requirements and backup method to the actual door. Biometric lock installation in Center City typically runs $250-$400 labor, quoted in writing before dispatch.
We also handle key duplication for Center City customers, including restricted and patented key systems. If your building uses Mul-T-Lock or Medeco keys that cannot be copied at a hardware kiosk, we produce duplicates through the authorized key control channel. Restricted key duplication runs $12-$35 per key, depending on the keyway and the authorization requirements.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Center City
We are factory-authorized for work on several lock brands that matter in Center City: Yale, Baldwin, Mul-T-Lock, and Sargent. That matters because a Sargent mortise lock in a Washington Square West rowhouse is not something you want a generalist touching with a generic pin kit. We stock the correct pins, springs, and tailpieces for these systems, and we keep common Center City replacement parts on the truck: mortise cylinders, rim cylinders, period-style rosettes, and high-security faceplates. When a Philadelphia Historical Commission review requires an antique-style faceplate on a Society Hill door, we source it before the job starts, not after.
Common Lock Installation & Rekey Problems We See in Center City Homes

- Historical Commission compliance pressure. Center City is the only market we serve where a lock upgrade can trigger a Certificate of Appropriateness review. Properties designated as contributing structures in historic districts may need period-appropriate exterior hardware even when the lock inside is a modern ANSI Grade 1 deadbolt. We source antique-style faceplates and rosettes so the upgrade passes review.
- Frozen or stripped multi-point locking rods. Renovated lofts near Old City often have tall doors with multi-point locking systems. After a freeze-thaw cycle shifts the frame, the passive bolts jam, and the door either will not close or will not open. We disassemble the rod assembly, free the jammed bolts, and re-align the strike points.
- Deadbolt drilled through a period rosette. A previous non-destructive-entry attempt that failed can destroy an original brass rosette on a Society Hill door. The replacement requires custom fabrication to match the period profile. We measure, source, and install a matching rosette, then rekey the new cylinder to your key system.
- Smart lock retrofit conflicts on rim lock entries. Many Center City rowhouses still have rim locks with surface-mounted latching plates. The new smart lock’s keyway geometry conflicts with the old plate, and the door looks latched but is not. We rework the latching plate or replace it entirely so the smart lock actually secures the door.
Pricing for Lock Installation & Rekey in Center City, PA
Here is what you should expect to pay in Center City, in writing, before we dispatch:
- Rekey a standard cylinder: $25-$45 per cylinder
- Deadbolt installation: $95-$180 labor, plus hardware if you need it
- Smart lock installation: $165-$285 labor
- Keypad lock installation: $130-$220 labor
- Biometric lock installation: $250-$400 labor
- Restricted key duplication: $12-$35 per key
These are the numbers we quote on the phone, and they are the numbers on your invoice. There is no call-out surcharge added on arrival and no “diagnostic fee” that inflates the job. If you bring us a written competitor’s quote, we will review it at no charge. That is the free second opinion, and it is available to every Center City customer.
What affects your final price: how many cylinders, the grade of the hardware, whether the door prep needs correction, and whether a Philadelphia Historical Commission review applies. We tell you all of this on the phone, in writing, before a truck rolls. Call (331) 310-8471 for a free estimate.
We Also Serve Cities Near Center City

While this page focuses on Center City, our locksmiths also cover Lock Installation & Rekey in Center City and the surrounding metro, including Philadelphia, Pittsburgh, Allentown, and Reading. If you are just outside the Center City core, call (331) 310-8471 and we will tell you if we can route a truck to you today.
Serving Center City, PA - Our Local Coverage Area
We’re based in the Center City 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 - Lock Installation & Rekey in Center City

Yes, in most cases, as long as the exterior hardware visible from the street maintains period-appropriate appearance. If your property is a designated contributing structure, the Historical Commission may require an antique-style faceplate or rosette even on a modern smart lock. We handle that by sourcing compliant hardware before installation. Expect the hardware sourcing to add $40-$120 to the job depending on the finish and profile. Call (331) 310-8471 and we will check your property’s designation and tell you what applies before you spend a dollar.
We remove the cylinder, decode the existing pins, and repin the cylinder to a new key. The lock body itself stays in the door. On a Sargent mortise lock in a Center City rowhouse, this typically takes 20-35 minutes per cylinder and costs $35-$55 per cylinder. If the cylinder itself is worn beyond safe repinning, we tell you before we do anything and quote a replacement cylinder in writing. No surprises, no “while we’re here” upsells.
A restricted key system means the key blank is patented and cannot be cut at a hardware store or kiosk. Only authorized locksmiths with the key control contract can duplicate the key, and every copy is logged. For a Rittenhouse Square condo where keys have historically floated between owners, tenants, and contractors, that is the difference between knowing who has a key and guessing. We install and service Mul-T-Lock and Medeco restricted systems, and we bill per cylinder with a written scope. Expect $45-$90 per cylinder for a restricted retrofit, plus key blanks at $12-$25 per key.
Yes. Keypad locks from Yale and Baldwin integrate with most major smart home hubs, including Z-Wave, Zigbee, and Wi-Fi platforms, as well as alarm panels that support door lock integration. For Center City loft conversions near Old City, we check the door’s steel frame and the wiring access before we promise anything, because some adaptive reuse buildings make clean wiring runs difficult. Labor for a keypad lock with smart home integration runs $160-$250 per opening. We quote it in writing first.
Philadelphia’s freeze-thaw cycles cause the aged wooden door frames and brick lintels in Center City rowhouses to swell and shift seasonally. January lows in the mid-20s put enough movement into the frame that a deadbolt that worked in September binds against the strike plate. The fix is usually a reinforced box strike and frame shimming, done once, rather than an annual emergency adjustment. We do this repair in Washington Square West regularly, and it runs $75-$140 per door. If your lock is binding right now, call (331) 310-8471 before it becomes a lockout.
Center City’s Historic Hardware Is a Different Trade
In Center City, the Philadelphia Historical Commission can mandate that any replacement exterior lock on a designated “contributing structure” maintains period-appropriate appearance. That compliance step is absent in neighboring Montgomery and Delaware County work, and it changes the job in a way that does not exist anywhere else in the metro. When a Society Hill rowhouse needs a deadbolt upgrade, the owner may need a modern ANSI Grade 1 deadbolt inside an antique-style faceplate or rosette that satisfies a Certificate of Appropriateness. A suburban locksmith can swap hardware in an afternoon. A Center City locksmith has to know whether the swap requires a review, where to source the period-correct trim, and how to document the work for the Commission.
We have done this work. On a Society Hill rowhouse, our tech replaced a failing 19th-century mortise lock with a Baldwin mortise conversion that kept the original skeleton-key faceplate, then rekeyed the new pin and tumbler to match the owner’s Mul-T-Lock key control system, all within a single visit that satisfied the Historical Commission’s Certificate of Appropriateness. That is what Center City work actually looks like: old face, new security, documented properly.
If you own a rowhouse in Society Hill, Old City, or Washington Square West, and you are considering a lock upgrade, call us before you buy anything off the shelf. We will tell you whether the Historical Commission applies to your property, what the compliance path looks like, and what the job will cost in writing. (331) 310-8471.
Get a Written Quote for Lock Installation & Rekey in Center City

Every lock we install or rekey in Center City starts the same way: a dispatcher answers the phone, listens to what you need, and gives you a firm price in writing before a truck rolls. That price is the price on your invoice. No call-out surcharge on arrival, no bait pricing, no revisions at the door. That rule has been in place since 2002, and Daniel Novak built the company on it.
We install and rekey locks in every Center City neighborhood: Rittenhouse Square, Society Hill, Old City, Washington Square West, Fitler Square, Queen Village, and the loft corridor north of Market. We work on original mortise locks, modern smart locks, restricted key systems, and everything between. We photograph our work and leave you the record.
Call (331) 310-8471 for a free estimate on lock installation or rekeying in Center City. A live person answers, day or night.
Written by Daniel Novak, Owner at Novak Lock & Security, serving Center City since 2002.






