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 Bethlehem
Lock installation and rekey in Bethlehem, PA typically runs $35-$65 per cylinder for standard rekeying and $180-$420 for full deadbolt installation, with the exact price quoted in writing before a technician is dispatched. We serve every Bethlehem neighborhood from the South Side’s steelworker row homes to the North Side’s Moravian Historic District and the postwar subdivisions north of Route 22, usually arriving within 45-60 minutes for scheduled work. If you need a rekey after closing on a home or a deadbolt upgrade on a narrow-stile row house door, call (331) 310-8471 and a live person answers, day or night.
We know Bethlehem’s housing stock in a way a generic locksmith doesn’t. The pre-WWII brick row homes on the South Side, the 18th-century doors in the Moravian district, the 1960s colonials in northwest Bethlehem, the newer construction off Schoenersville Road: each era presents a different lock prep, a different set of hardware constraints, and a different rekey path. That matters when the goal is security that survives a Lehigh Valley winter.
Why Novak Lock & Security Is Bethlehem’s Preferred Lock Installation & Rekey Company
Novak Lock & Security has completed over 60,000 lock, key, and system jobs since 2002, and our Lock Installation & Rekey team works under The Haven Standard, a documented quality framework shared across ten Haven brands. Clause 1 of that standard is simple and has been in place since the day we opened: the price quoted on the phone is the price on the invoice. No technician is permitted to change it at the door. In a trade with a known bait-pricing problem, that rule does more to earn trust in Bethlehem than any slogan.
Every visit includes a background-checked, uniformed technician and a documented photo record left with you at completion. You see exactly what was found, what was done, and what the hardware looked like before and after. Daniel Novak, who founded the company, structured the business around written documentation because he understood that a lock is a security device, not a convenience item. A customer who can see the work can trust the work.
We are factory-authorized for Sargent, Mul-T-Lock, Abloy, Baldwin, Medeco, and Schlage, which means we can install and service high-security patented key systems that no big-box store can touch. When a Bethlehem homeowner wants a restricted key that cannot be copied at a kiosk, we are one of the few locksmiths in the Lehigh Valley who can supply it with a proper key-control contract.
Our Lock Installation & Rekey Services in Bethlehem

Smart Lock Installation
Smart lock installation in Bethlehem runs $150-$380 depending on the hardware and whether we are retrofitting an existing cylindrical prep or building custom prep for a mortise door. The real expertise is in the retrofit. Many South Side row homes have narrow-stile doors with original mortise lock bodies, and a standard smart lock will not seat correctly without a proper adapter plate. We install the lock and the adapter, then verify the key control path works so you are not locked out of your own house when the batteries die. We also integrate the smart lock with existing alarm and smart-home platforms, including Z-Wave and Zigbee hubs common in Bethlehem homes.

Keyless Entry
Keyless entry installation in Bethlehem ranges from $180-$450 for a quality keypad deadbolt or lever set, installed and programmed. For homeowners in the Moravian Historic District who want keyless convenience without altering period door prep, we typically recommend surface-mounted keypad deadbolts that leave the original mortise lock intact. The key control path stays functional; the inconvenience of carrying keys disappears. Every keypad we install gets a fresh set of user codes, and we walk you through programming before we leave.

Keypad Lock
Keypad lock installation in Bethlehem runs $190-$460 for residential-grade hardware and $400-$900 for commercial or high-security models. On the South Side’s steelworker row blocks, keypad locks are a practical upgrade for multi-unit rentals: property managers can issue unique codes per tenant and delete them without rekeying the entire building. We’ve installed single-cylinder keypad deadbolts on doors with stamped-steel edge plates barely two inches wide, using custom narrow-stile prep so the door edge does not buckle. The price includes the hardware, the custom prep if needed, programming, and the written photo documentation.

Biometric Lock
Biometric lock installation in Bethlehem runs $400-$950 including hardware and enrollment. A fingerprint or keypad biometric lock makes sense for south-facing doors exposed to the freeze-thaw moisture cycle: no key to freeze, no cylinder to seize. We install biometric deadbolts that can hold 30-100 fingerprint templates and still retain a mechanical key override, which is non-negotiable in our book. A lock that dies on a January morning in Bethlehem without a key override is a lockout waiting to happen.

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.
Trusted Brands We Service in Bethlehem
We install and service Sargent, Mul-T-Lock, Abloy, and Baldwin, among others. For Bethlehem’s row-home stock, Mul-T-Lock and Abloy high-security cylinders are the workhorses: they insert into original mortise lock bodies and give you a patented key that cannot be duplicated without your key-control card. We stock cylinders, tailpieces, and adapter kits locally for fast turnaround, and we can often rekey a Mul-T-Lock or Sargent system the same day you call. If you bought a home with a Baldwin front entry set that feels loose or misaligned, we can rebuild or replace the mechanism without damaging the trim.
Common Lock Installation & Rekey Problems We See in Bethlehem Homes

Here is what we actually find on service calls across Bethlehem, drawn from years of documented work on South Side row homes, North Side historic properties, and the newer subdivisions off Catasauqua Road:
- Seized mortise locks after freeze-thaw cycles. The Lehigh Valley swings across freezing dozens of times each winter. Moisture gets into the mortise body, freezes, and the bolt will not throw. A less experienced locksmith drills the lock out and destroys original hardware that cannot be sourced. We use non-destructive entry first, then lubricate and rekey the mechanism.
- Big-box deadbolts buckled into narrow-stile doors. A standard 2-1/8″ bore deadbolt needs more edge width than a 1920s steelworker row door has. Forcing it in splits the stile or cracks the brick molding. We machine custom narrow-stile prep so the deadbolt seats cleanly and the door still closes latching correctly.
- Smart locks retrofitted onto obsolete mortise prep without an adapter. The lock mounts, but the key control path is dead and alarm integration never initializes. We see this regularly on houses bought in the last five years by owners who wanted to “just swap it out” with a box-store kit.
- Lost skeleton keys on original mortise locks. South Side row homes built between the 1890s and 1940s often still run on skeleton-key mortise locks. When the last key is lost, the lock either gets damaged by force or left permanently unlocked. We can rekey these mortise bodies with modern pin-tumbler cylinders and cut fresh keys, keeping the original brass trim in place.
Pricing for Lock Installation & Rekey in Bethlehem, PA
The honest ranges for Bethlehem are lower than the national chains advertise, because our dispatcher quotes a firm number before anyone gets in a van. Here is the local market picture:
| Standard rekey per cylinder (Schlage, Kwikset) | $35-$65 |
| Mortise lock rekey (original South Side hardware) | $55-$95 |
| Deadbolt installation (standard cylindrical) | $180-$300 |
| Deadbolt installation (narrow-stile, custom prep) | $260-$420 |
| Smart lock installation | $150-$380 |
| Keypad lock installation | $190-$460 |
| Biometric lock installation | $400-$950 |
| High-security cylinder upgrade (Mul-T-Lock, Abloy) | $120-$250 per cylinder |
| Key duplication (standard) | $3-$8 per key |
| Emergency lockout (non-destructive) | $85-$160 |
What moves a Bethlehem quote up or down is the door. A standard 1-3/4″ solid-core door with a fresh bore takes 30 minutes. A 1928 steelworker row door with a mortise body, a narrow stile, and two coats of decades-old paint takes a custom prep and real patience. We tell you which one you have on the phone, in writing, before dispatch. There is no call-out surcharge added on arrival. The price Daniel Novak’s dispatcher quotes is the price on the invoice.
We Also Serve Cities Near Bethlehem

Our Lock Installation & Rekey in Bethlehem coverage also extends to Allentown, Reading, Levittown, and Philadelphia for scheduled smart lock, keypad, and high-security cylinder work. If you are just outside the city line in a township like Hanover or Bethlehem Township, call (331) 310-8471 and we will give you a straight answer on response time for your street.
Serving Bethlehem, PA - Our Local Coverage Area
We’re based in the Bethlehem 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 Bethlehem

Yes. We rekey original mortise lock bodies in South Side row homes regularly, typically for $55-$95 per cylinder including a new key. The existing brass trim and mortise body stay in place; we remove the cylinder, rekey it to a fresh key, and verify the latch, deadbolt, and skeleton-key path all still function. If the cylinder is too corroded to rekey cleanly, we can machine an adapter and install a modern high-security cylinder in the same mortise body. Call (331) 310-8471 for a firm price on your specific door.
Bethlehem’s freeze-thaw cycles drive moisture into the cylinder and bolt mechanism, where it freezes and binds the pins. The Lehigh Valley crosses the freezing point dozens of times each winter. We see the spike every November through March in Bethlehem’s older housing, especially on north-facing doors. The fix is a cylinder replacement with weather-sealed pins and a Teflon-based lubricant, then seasonal maintenance. We can also install a keyless keypad or smart deadbolt if you are done fighting frozen keys every January. Call (331) 310-8471 and we will quote the job over the phone.
Usually not cleanly, and forcing it is how doors get destroyed. A standard cylindrical deadbolt needs about 2-1/8″ of edge width plus setback distance. Many South Side row home doors have stiles barely two inches wide, and a standard bore will split the edge or blow out the brick molding. We machine custom narrow-stile prep so a quality ANSI Grade 1 deadbolt seats properly without weakening the door. This is what we do on E. 4th Street, W. Broad Street, and up and down the South Side blocks. Call (331) 310-8471 before you drill a hole you cannot undo.
Yes, in most cases. We can install a smart lock that pairs with the existing alarm panel or home hub, using a surface-mount or adapted cylinder that preserves the original 18th- or early 19th-century door prep. The installation includes enrollment, zone programming, and verification that the lock reports correctly to the alarm system. We have done this on historic doors near Church Street and Main Street without altering the period hardware. Call (331) 310-8471 and describe your alarm panel; we will tell you over the phone whether the integration will work and what it costs.
Do not force the key and do not let anyone drill the cylinder. A frozen mortise lock in Bethlehem can often be freed with non-destructive entry and de-icing, then rekeyed or lubricated so it does not happen again. Our emergency lockout response to the South Side is $85-$160, quoted before dispatch, and a livable person answers 24/7. We serve Bethlehem’s South Side, North Side, West Side, and the neighborhoods around Moravian University every day. Call (331) 310-8471 and a technician will walk you through the first steps while they are en route.
Contact Novak Lock & Security for Lock Installation & Rekey in Bethlehem
If you need a rekey, a deadbolt upgrade, a smart lock on a narrow-stile door, or a restricted high-security key system in Bethlehem, call (331) 310-8471 for a free estimate. The dispatcher quotes a firm price in writing before anyone is dispatched. No call-out surcharge, no door-step revisions, and a documented photo record when the job is done. The 365-Day Done Right Promise covers every lock installation and rekey we perform in Bethlehem. If it is not done right, we make it right.
Written by Daniel Novak, Owner at Novak Lock & Security, serving Bethlehem since 2002.






