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 Rekey Locks Across Newark
Rekeying a lock in Newark typically costs $18 to $35 per cylinder for standard pin-and-tumbler hardware, and a typical front door with a knob and deadbolt is usually done in under 45 minutes once we’re on site. We coordinate rekey appointments across Newark daily, from the Thornton Avenue corridor to the neighborhoods around Newark Memorial High School. Most jobs are booked within the same day, sometimes within a couple of hours depending on where you are in Newark. Call (409) 405-4485 and you’ll speak with a live person who can give you a written price before we dispatch anyone.
Why Preston Locksmith & Security Is Newark’s Preferred Rekey Locks Company
Our Rekey Locks team works differently than what Newark homeowners tend to expect from a locksmith. We don’t quote an hourly range and hope it works out. We confirm the scope on the phone, put the price in writing, and send a background-checked, uniformed technician with a live arrival time you can track on your phone. Newark customers regularly tell us the reason they called us over a competitor was that we answered the phone like a person, named a real number, and stuck to it.
Kevin Yoon, who leads our team, has built the Newark operation around a simple rule: if the lock setup isn’t what we quoted, we stop and send photos before touching a cylinder. That matters in Newark because the housing stock is so mixed. A house on Cherry Street might have original 1960s Kwikset hardware, while the condo conversion two blocks over on Cedar Boulevard has modern Schlage deadbolts and a smart lock. We quote for the actual door, not the average door.
Every job is covered by our 365-Day Done Right Promise. If the rekey isn’t done right, we come back and make it right at no charge. That’s a written guarantee stamped on every invoice, not a verbal assurance.
Locksmith Rekey in Newark
Locksmith Rekey in Newark means swapping the internal pins inside the lock cylinder so the old keys stop turning and a new key works, all without replacing the hardware on your door. The procedure is the same whether you’re on a 1950s tract home near the NewPark Mall area or a newer build south of Stevenson Boulevard. We remove the cylinder, replace the pins to match a new key cut, and reinstall it. If the cylinder is worn, we’ll tell you before we do anything and give you a number for replacement, but most original hardware in Newark takes a rekey cleanly.
A standard rekey in Newark runs $18 to $35 per cylinder. A front door with a knob and a deadbolt is two cylinders. If you want the back door and the side garage door keyed to the same new key, you’re looking at four to six cylinders total, which typically lands between $72 and $210 depending on the hardware type.
What a mixed-era Newark door actually costs
Here’s the part most online estimates miss about Newark. A lot of homes here have a builder-grade Kwikset knob paired with a newer Schlage deadbolt. Those are different pinning systems and different keyways, which means two separate pin kits and a careful keyed-alike setup. Some phone estimates quote that as a single rekey, and then the number changes on site. We price it as what it is: two cylinders, two pin kits, one final key that works both. You’ll get that number on the phone before anyone is dispatched.
When homeowners call us in Newark
Most calls come after a real estate closing, a roommate move-out, a lost key, or a contractor who never returned their copy of the key. In Newark, with so many homes changing hands between original owners and younger buyers, move-in rekeys are a large share of what we do. We also hear from renters in apartment complexes along Thornton Avenue who want permission from their landlord and a rekey rather than a full lock swap. Rekeying is faster and cheaper than replacing locks, and it delivers the same result: the old key doesn’t work anymore.
Rekey Door Lock in Newark
Rekey Door Lock in Newark is the specific job of making a single door’s existing lock operate on a new key, and it’s the most common service we perform across the city. Most Newark homes have two or three exterior doors. The front entry is what people think about first, but the bigger security gap is usually the back door or a side door between the garage and the yard. If the previous owner rekeyed only the front knob and left the rear deadbolt on its old pins, that old key still opens the back of your house. We check every exterior door as part of the scope, not just the one you mentioned on the phone.
A single door lock rekey in Newark runs $18 to $35 per cylinder. If we’re doing the knob and deadbolt on the same door to a matching key, that’s two cylinders. We also key both to the same new key rather than leaving you with one key for each, which is a common frustration when a previous handyman did the job.
How we handle keyed-alike on mixed brands
Kwikset and Schlage use different pin depths and keyway profiles, but both can be keyed to match if you know what you’re doing. We carry pin kits for Kwikset, Schlage, Medeco, and Abloy on the truck, so a mixed-brand entry doesn’t mean two keys. You’ll get one key that works the knob and the deadbolt, provided the cylinders are in serviceable condition.
What takes longer than it should
A worn mortise lock or a smart lock cylinder that won’t accept standard pins can add time and cost. In older Newark homes, we sometimes see mortise locksets that have been painted over or never serviced since installation. We’ll show you a photo of what we found before we proceed. The written price we gave you is what you pay if the work matches the scope. If the scope changes, we stop and re-quote.
Trusted Brands We Service in Newark
We rekey and service the hardware Newark homes actually have. That includes everyday Schlage and Kwikset found on most entry doors, plus commercial-grade Medeco and Abloy cylinders used on some condo buildings and small businesses near Thornton Avenue. Our Rekey Locks in Newark van carries common pin kits and key blanks for these brands so we don’t have to leave mid-job to source a part. If your hardware is a less common brand, we’ll tell you on the phone and set expectations before dispatch. Baldwin and Yale also show up regularly in newer Newark construction, and we’re equipped for both.
Common Rekey Locks Problems We See in Newark Homes
- The previous owner’s key still opens the back door. We see this constantly in Newark, especially in homes that changed hands recently. The seller rekeyed the front knob to satisfy the closing checklist and left the rear deadbolt on old pins. We rekey every exterior cylinder as a set, not one door at a time.
- Mixed-brand entry doors quoted as one simple job. A 1960s ranch near Newark Boulevard might have an original Kwikset knob and a Schlage deadbolt installed in the 2000s. That’s two different pin kits and two keyways, and it should be quoted as two cylinders with keyed-alike work, not a flat $20 rekey.
- Worn cylinders in older tract homes. Homes built in the 1950s and 60s around the Cherry Street and Thornton Avenue areas often have original lock cylinders with decades of wear. Pins may not re-key cleanly if the cylinder is severely worn or the keyway is sloppy. We’ll show you the condition and give you a replacement price before doing anything.
- A phone quote that balloons on site. Some Newark homeowners tell us they got a low number over the phone, then a higher figure once the technician saw the door. That’s exactly the experience we built our process to avoid. We confirm the hardware type and door count on the phone, put the price in writing, and don’t change it unless the scope genuinely changes with photo proof.
Pricing for Rekey Locks in Newark, CA
Here’s the honest structure. Standard pin-and-tumbler rekeying in Newark runs $18 to $35 per cylinder. A typical front entry with a knob and deadbolt is two cylinders, so budget $36 to $70. A full home with front door, back door, and garage side door, with knobs and deadbolts on each, is six cylinders, which lands between $108 and $210. If you’re moving into an older Newark home with original Kwikset hardware and want it all keyed to one new key, the total is usually at the lower end of that range. High-security cylinders like Medeco or Abloy run higher because the pin kits and key blanks cost more. We give you the full price on the phone, in writing, before anyone is dispatched. There’s no call-out charge added when the technician arrives. Call (409) 405-4485 for an exact number on your specific doors.
We Also Serve Cities Near Newark
Preston Locksmith & Security covers Newark and the surrounding areas, including Fremont, Union City, Palo Alto, and Sunnyvale. If you’re just over the city line in Fremont or Union City, we can usually schedule you the same day. Dispatch and scheduling are coordinated from our San Francisco Bay Area office, and our crews serve Newark locally.
Serving Newark, CA - Our Local Coverage Area
We’re based in the Newark 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 Rekey Locks in Newark
A typical Newark home with three exterior doors takes about 45 to 90 minutes once the technician is on site. The time is driven by cylinder count, not door count. A knob and deadbolt on each door is six cylinders. We confirm the scope on the phone, so you’ll have a realistic time frame before we arrive. Call (409) 405-4485 and we’ll walk through your door count and give you a time estimate.
Yes. Kwikset and Schlage use different keyways and pin depths, but a trained locksmith can key both to the same key using separate pin kits for each cylinder. Most Newark homes have some version of this mixed setup, especially the older tract homes where the original knob stayed in place while the deadbolt was upgraded. We carry both brands on the truck and do keyed-alike work as a standard part of the rekey.
We quote the full price before the work is done, and you pay after the job is complete. The price is confirmed on the phone before we dispatch, then put in writing. If the work matches the scope, the number doesn’t change. If we find something unexpected, we stop and show you before proceeding. You pay through a digital invoice with a pay link when the job is finished.
You’ll get a photo of your technician and a live arrival time you can track on your phone before anyone knocks. Our technicians are background-checked and arrive in uniform. You’ll know the name, the face, and the arrival window before they’re on your street. If anything doesn’t match, call us and we’ll confirm.
Almost always. Rekeying costs $18 to $35 per cylinder, while replacing a standard deadbolt with hardware typically starts around $40 to $80 per lock plus labor. If your existing lock hardware is in good condition, rekeying delivers the same security result, old keys stop working, for a lower cost and in less time. We’ll tell you plainly if a lock is too worn to rekey and give you a replacement price instead.
Written by Kevin Yoon, Owner at Preston Locksmith & Security, serving Newark and the surrounding Bay Area.






