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.
Locksmith in Allentown, PA
Residential locksmith work in Allentown means working on homes built before 1945, most of which still carry their original mortise lock bodies, skeleton keys, and rim locks on doors that have settled through a hundred Pennsylvania winters. We handle lockouts, rekeys, lock changes, and deadbolt retrofits in the East Side, South Side, and Midtown neighborhoods on a daily basis. If you’re locked out or need a lock repaired or replaced, call (331) 310-8471 and a live dispatcher will give you a firm price in writing before anyone heads out.
Why Allentown Homes Are Different
Allentown’s housing stock comes out of a narrow band of years, roughly 1900 through 1940, and the hardware behind those front doors reflects it. Rows of brick twins and narrow single-family homes across the East Side and South Side were built with mortise locksets: a rectangular steel body recessed into the edge of the door, a bolt and latch that slide into a matching pocket in the jamb. Those bodies hold up, but the internal springs wear, the strike alignment drifts as the frame settles, and decades of tenant turnover in multi-unit conversions means keys have been copied so many times the original bitting is effectively public.
The freeze-thaw cycle compounds it. Every January and February, swollen wooden door frames from repeated freezing and thawing push deadbolts and mortise latchbolts out of alignment, and inbound calls for doors that won’t open or won’t lock spike accordingly. Covered porch locks, a signature of Allentown row homes, collect ice and moisture that degrade grease and invite corrosion. And because this city holds one of Pennsylvania’s highest concentrations of rental housing, a typical job is not one lock on one door. It’s a ring of twelve near-identical Kwikset keys handed over by a landlord who needs the whole row keyed to a single system, with every unit documented and delivered with a written record.
Our Main Allentown Services
Two services dominate the calls we answer for Allentown homeowners: rekeying and lock installation after a move or turnover, and emergency response when a lock fails or a key is lost outside business hours. Here is what each job looks like in this city.
Lock Installation & Rekey in Allentown
Replacing or rekeying locks in a pre-war Allentown row home is rarely a one-for-one swap. Older mortise bodies have different faceplate dimensions than modern cylindrical deadbolts, so installing a new lock often means boring a larger crossbore, filling the old mortise pocket, and resetting the strike plate on a door frame that has shifted over decades. Rekeying is simpler: we replace the pins inside the cylinder so the old keys stop working, and every unit in a multi-family conversion gets its own keyed-alike or master-keyed plan documented in writing. See Lock Installation & Rekey in Allentown for full depth on that service.

Emergency Locksmith in Allentown
Most Allentown emergency calls are residential lockouts in the evening, when a deadbolt bound by a swollen frame finally refuses to turn, or a tenant leaves a rental with the only key still inside. We respond to the East Side, South Side, and Midtown around the clock, with a live person answering the phone and a firm price quoted before dispatch. Emergency Locksmith in Allentown covers response times, pricing, and what to expect when we arrive.

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.
- 4
You approve before work beginsNothing starts until you say go.
Residential Locksmith in Allentown

Residential locksmith work in Allentown centers on the city’s pre-WWII row homes and twins, where original mortise lock bodies and rim locks are still doing daily duty on doors that have settled through decades of freeze-thaw cycles. The job here is less about installing the newest gadget and more about making aging hardware function correctly, standardizing mismatched locks in multi-unit rentals, and closing the security gaps that come with ninety-year-old doors and landlord turnover. When a deadbolt binds in January or a skeleton-key mortise lock finally fails in a South Side rental, the fix has to account for the door, the frame, and the weather, not just the lock. Residential Locksmith work here is diagnostic as often as it is mechanical.
Lock Change
Signs you need it
Keys are out of your control after a move, a tenant turnover, a divorce, or a lost key, and the lock itself is worn past reliable repair.
What it costs in Allentown
A residential lock change in Allentown typically runs $95-$180 per lock, plus the cost of the new hardware, quoted in writing before we start.
How we do it
We remove the old lock or mortise body, size and fit the replacement (or build out the old mortise pocket for a modern deadbolt), align the strike plate on the settled frame, test the key in both directions, and leave you a photo record of the completed work.
Residential Lockout
Signs you need it
You’re standing outside a locked home with the key on the wrong side of the door, or the key turns but the bolt will not retract because the frame has swollen or the internals have failed.
What it costs in Allentown
A residential lockout in Allentown carries a service call of $49-$89 plus labor of $65-$120 per hour, with the full price quoted on the phone before dispatch.
How we do it
We arrive with non-destructive entry tools, pick or bypass the lock to get you inside, inspect the failure point (usually the frame alignment or a broken tailpiece), and advise on repair, all documented with a photo record.
Deadbolt Installation
Signs you need it
Your front door still relies on a single knob lock with no deadbolt, or the existing deadbolt does not throw fully into the strike plate because the frame has shifted.
What it costs in Allentown
A deadbolt installation in Allentown runs $95-$180 in labor, plus $30-$120 or more for the deadbolt itself depending on grade and finish, quoted in writing before work begins.
How we do it
We bore for the deadbolt if needed, install the lock with correct backset, deepen or realign the strike pocket so the bolt throws fully, and test against frame movement so it does not bind when the next freeze cycle hits.
What Residential Locksmith Costs in Allentown
| Item | Typical range in Allentown |
|---|---|
| Lock change (labor per lock) | $95-$180 |
| Lockout (service call + first hour) | $114-$209 |
| Deadbolt installation (labor per lock) | $95-$180 |
Do you rekey or replace locks in an Allentown rental after a tenant moves out?
We do both, and rekeying is usually faster and cheaper. We replace the pins in the cylinder so the old tenant’s keys stop working, then key all units in the building to a documented plan you keep on file.
Why do deadbolts fail in Allentown in winter?
Freeze-thaw cycles swell the wooden door frames common in the city’s pre-war row homes, which pushes the bolt out of alignment with the strike plate. We realign the strike and, where needed, deepen the pocket so the bolt throws fully even when the frame moves.
Commercial Locksmith in Allentown

Commercial locksmith work in Allentown is shaped by the city’s dense commercial strips and converted storefronts, many of which sit in buildings that date to the same pre-war era as the housing stock. Landlords and business owners face a hard reality: old mortise bodies on heavy wood doors, a high churn of employees and tenants, and a real need for access control that does not outpace the building’s bones. Our work here ranges from rekeying an office suite after one employee departs to master-keying an entire converted row building so one key opens common doors while each tenant keeps private access. Commercial Locksmith work in Allentown is scheduled and scoped, never dispatched blind.
Master Key System
Signs you need it
Building managers juggle a ring of keys per floor or per unit and need controlled access across common doors, service areas, and individual offices.
What it costs in Allentown
A master key system in Allentown runs $25-$45 per cylinder plus $150-$400 for system design and setup, quoted in writing before any cutting begins.
How we do it
We map the building, assign each door to a key authority level, build the cylinder hierarchy (grand master, master, change key), cut the keys on a code-controlled machine, and deliver a written schedule of who opens what.
High Security Locks
Signs you need it
Your business holds inventory, cash, or data that would survive a bump-key or pick attack, or a previous tenant’s copies of your key are unaccounted for.
What it costs in Allentown
High security lock installation in Allentown typically runs $150-$400 per cylinder depending on the system (Mul-T-Lock, Medeco, Abloy), quoted in writing before work starts.
How we do it
We remove the existing cylinder, install and pin the high-security cylinder, register the keyway to you for controlled key duplication, and document the entire swap with a photo record.
What Commercial Locksmith Costs in Allentown
| Item | Typical range in Allentown |
|---|---|
| Master key system (per cylinder) | $25-$45 |
| Master key system design and setup | $150-$400 |
| High security lock (per cylinder) | $150-$400 |
Can you key a whole Allentown mixed-use building to one system?
Yes, and that is a signature job in this city. We master-key aging mortise and rim hardware across an entire row building so one key opens common doors and each tenant keeps private access, delivered with a written key schedule.
What happens to old commercial keys after a rekey?
The old keys stop working the moment we change the pins. We label every new key, record its authority level in writing, and leave you a documented key schedule so you always know who holds what.
Automotive Locksmith in Allentown

Automotive locksmith work in Allentown rides on the city’s tight street parking and the working-class rhythm of early shifts, second jobs, and school drop-offs where a lost key or a locked car is a crisis at 6:30 a.m. Allentown drivers are more likely to be in an older model used for commuting than a garage-kept luxury vehicle, and the job is usually one of three things: lockout, key replacement with transponder programming, or an ignition that has worn past the point where the key turns. We handle all of it at the curb, in the driveway, or in a parking lot. Automotive Locksmith work here is mobile by necessity; the car does not come to a shop.
Car Key Replacement
Signs you need it
Your only key is lost or broken, or the key turns in the ignition but will not start the vehicle because the chip is damaged or out of sync.
What it costs in Allentown
A car key replacement in Allentown typically runs $85-$250 depending on the vehicle and whether transponder programming is required, quoted in writing before we cut.
How we do it
We identify the keyway by VIN and lock inspection, cut the mechanical key, clone or program the chip to the vehicle, and verify the new key starts the car and operates the locks before we leave.
Transponder Key
Signs you need it
Your vehicle starts with a chipped key, and the chip is missing, damaged, or not being recognized by the immobilizer, leaving the car turning over but not firing.
What it costs in Allentown
A transponder key in Allentown runs $75-$160 for the key plus $50-$150 for programming, quoted in writing before we begin work at your vehicle.
How we do it
We cut the blank, read the vehicle’s immobilizer, program the chip to match, and test the full start sequence so the key starts the engine reliably, not just once.
What Automotive Locksmith Costs in Allentown
| Item | Typical range in Allentown |
|---|---|
| Car key replacement (with chip) | $85-$250 |
| Transponder key (key + programming) | $125-$310 |
| Auto lockout (service call + labor) | $60-$120 |
Can you make a key for a car with no original to copy?
Yes. We cut the key from the vehicle’s key code (derived from the VIN or the lock itself) and program the transponder to the car. No original is needed.
Will programming a new key erase my old ones?
It can, depending on the vehicle. On most models we can add the new key without wiping existing ones, but some vehicles require a full re-sync. We will tell you before we program.
Brands We Service in Allentown

We work on Yale, Baldwin, Mul-T-Lock, and Sargent hardware across residential and commercial jobs in Allentown, and we keep common replacement parts and key blanks stocked locally for faster turnaround. For the full picture of what we service, see our brands.
Pricing for Locksmith in Allentown, PA
| Service | Typical range in Allentown |
|---|---|
| Residential lockout | $114-$209 |
| Lock change (per lock) | $95-$180 |
| Deadbolt installation (per lock) | $95-$180 |
| Master key system (per cylinder) | $25-$45 |
| Master key design and setup | $150-$400 |
| High security lock (per cylinder) | $150-$400 |
| Car key replacement | $85-$250 |
| Transponder key | $125-$310 |
| Auto lockout | $60-$120 |
Prices in Allentown push toward the top of a range when doors or frames have settled badly, when a mortise body needs to be retrofitted for modern hardware, or when a vehicle immobilizer requires OEM-level programming. The price we quote on the phone is the price on the invoice; no technician is permitted to change it at the door, and that rule has not changed since the company began in 2002.
Neighborhoods We Serve in Allentown

We work across Allentown’s core neighborhoods, from the row-home blocks of the East Side to the twins of the South Side and the dense rental conversions of Midtown.
- East Side
- South Side
- Midtown
- Center City
- West End
Most residential jobs in these neighborhoods can be reached within 30 to 45 minutes of your call, depending on traffic and time of day.
Service Area - Cities Near Allentown
Novak Lock & Security also covers the wider Lehigh Valley and beyond. We serve Bethlehem, PA, Reading, PA, Levittown, PA, and Philadelphia, PA, with the same written-price rule and documented photo record on every job.
Serving Allentown, PA - Our Local Coverage Area

We’re based in the Allentown 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 About Locksmith in Allentown
Most residential calls in East Side, South Side, and Midtown are reached within 30 to 45 minutes. Emergency lockouts receive priority dispatch, and the dispatcher gives you a time window when you call (331) 310-8471.
No permit is required for lock changes, rekeys, or deadbolt installation on an existing single-family home. Rental property owners should note that changing locks to comply with a court order should follow Pennsylvania landlord-tenant law; we document every job with a photo record that helps with that paper trail.
We cover all of Allentown, including East Side, South Side, Midtown, Center City, and West End, plus the surrounding cities listed above. Scheduling and dispatch are coordinated from the brand’s Philadelphia office, with crews serving Allentown locally.
What happens when you call
- 1A real person answersNo phone trees - talk to a local locksmith pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Allentown Customers Say
"Rekeyed the whole house after we bought it. He showed me the old pins and explained how many keys had likely been cut over the years."
- Omar J."Honest. Told me the existing deadbolt was good quality and only needed the strike plate reinforcing."
- Sal V."Fast, polite, and carried identification without being asked. Would use again."
- Grant W.






