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 Alum Rock
Rekeying locks in Alum Rock typically runs $25 – $45 per cylinder for standard pin and tumbler hardware, and most house-wide jobs wrap up in under an hour. That’s the honest range our customers near Alum Rock Avenue, the East Foothills, and San Antonio see before anyone is dispatched. We’re Preston Locksmith & Security, and when you call (409) 405-4485, you get a live person, a written price, and a trackable arrival time. No voicemail trees. No four-hour waiting windows.
We know Alum Rock’s streets because we work them every week: older single-family homes off Ocala Avenue, mid-century tracts near Alum Rock Park, and newer infill around Sierra Road. That local familiarity means we show up knowing how the locks in your neighborhood are actually installed, and what it takes to rekey them without damaging the door.
Why Preston Locksmith & Security Is Alum Rock’s Preferred Rekey Locks Company
Since 2008, Preston Locksmith & Security has handled residential and commercial lock work across the Bay Area, and Alum Rock calls make up a meaningful share of our rekey jobs. The reason is straightforward: we put the final price in writing before the first tool leaves the bag, and we back every rekey with our 365-Day Done Right Promise. If it isn’t right, we return and make it right. No charge. No argument.
Kevin Yoon, who leads our team, keeps one rule above all others: the technician you see on your doorstep should match the photo, name, and background check we sent before arrival. Our crews in Alum Rock are background-checked and uniformed. When you book, you get a live arrival time you can track on your phone. That changes the whole experience, and it’s why neighbors around Alum Rock keep our number saved.
Rekey House in Alum Rock
Rekey House in Alum Rock means changing the internal pins inside your existing lock cylinders so the old keys stop working while the hardware stays put. For most Alum Rock homes, this takes 30 to 60 minutes total and runs $25 – $45 per lock cylinder, depending on the brand and whether the cylinder is a standard Kwikset or Schlage type or a high-security Medeco or Baldwin unit. The front door, back door, side gate, and garage entry can usually all be rekeyed in one visit, and we key them alike so one key works everything.
In Alum Rock specifically, many homes have a mixed setup: a modern ANSI Grade 1 deadbolt on the front entry and an older pin and tumbler cylinder on a back gate or side door. That older cylinder can often be rekeyed rather than replaced, as long as the internal springs and pins are still serviceable. We check that on site before recommending anything.
When a Rekey Makes More Sense Than Replacement
If your deadbolt still throws and retracts smoothly, and the issue is simply that former tenants, a contractor, or a lost key has left you unsure who has access, rekeying is usually the better call. It costs far less than new hardware and restores full key control in minutes. We’ll say so plainly, even when replacing the lock would cost us more to sell you.
Key Control After a Rekey
Once we rekey, we can also set up a simple key control log so you know exactly how many copies exist and who holds them. For Alum Rock homes that have been rentals or multi-generation households, this is often the real fix: not new hardware, just accounting for every key.
Lock Rekey in Alum Rock
Lock Rekey in Alum Rock is the service we run most often for homeowners and small businesses right here in the neighborhood: swap the pins inside the existing cylinder so a new key operates the lock and old keys don’t. You keep your current hardware, your keyhole, and your trim. The only thing that changes is which key turns. On standard residential deadbolts and knobs around Alum Rock, this runs $25 – $45 per cylinder with the full price confirmed in writing before we dispatch.
For commercial storefronts along Alum Rock Avenue or offices near the Eastridge area, rekeying is a fast way to take control after an employee leaves or a key goes missing. We service Schlage, Kwikset, Medeco, Yale, Baldwin, and other common commercial brands, and we can key multiple locks to a master key system if that’s what the building uses.
Non-Destructive, Pin-Level Work
We don’t drill a lock to rekey it unless the cylinder is actually frozen or broken beyond service. On a recent call near the Alum Rock foothills, a homeowner had a Schlage deadbolt on the front door and a Kwikset cylinder on the back gate still accepting a key from a former tenant. We used non-destructive entry to confirm both were functional, rekeyed both cylinders to a new key, and set key control so the old keys stopped working entirely. The job took about 45 minutes and cost a fraction of replacing the hardware.
Same-Day Lock Rekey
Most Alum Rock rekey jobs are completed same-day. We schedule a live arrival time, you track us on the way, and we photograph the work before and after. You get a digital invoice with a pay link, and the price on the invoice matches the written quote you approved before we started.
Trusted Brands We Service in Alum Rock
We’re trained and equipped to service the hardware Alum Rock homes and businesses actually use, from everyday Kwikset and Schlage cylinders to high-security Medeco and Baldwin units. Our vans carry common pins, springs, and cylinder components for these brands, which means we rarely need a follow-up visit to finish a rekey. Whether your Alum Rock home has builder-grade knobs or a Baldwin deadbolt on the front entry, we can rekey it properly and set up key control that actually holds up. If your hardware is Mul-T-Lock, Sargent, Abloy, or Yale, we handle those too.
Common Rekey Locks Problems We See in Alum Rock Homes
- Mixed hardware front and back. Many Alum Rock homes have a strong Grade 1 deadbolt on the front entry and an older, cheaper cylinder on the back gate. We rekey both to the same key and check whether the older cylinder is still worth keeping.
- Former tenant and caregiver keys. Alum Rock has a lot of rental history and multi-generation households, so keys tend to float. A rekey plus a simple key log shuts that down permanently.
- Drilled locks that should have been rekeyed. We see this too often: another locksmith drilled a perfectly functional cylinder because they didn’t check the pins first. A drill costs more and means buying hardware. A rekey costs less and keeps the door intact.
- Worn pins causing sticky turns. Bay Area humidity and decades of use wear down the brass pins inside older Alum Rock cylinders. Rekeying gives us a chance to inspect and refresh those pins so the new key turns cleanly.
Pricing for Rekey Locks in Alum Rock, CA
Here are the numbers we quote every day in Alum Rock. A single standard residential cylinder rekey runs $25 – $45. A typical house with three to four lock cylinders lands at $100 – $180, including keying them alike and one new key per lock. High-security brands like Medeco, Baldwin, or Mul-T-Lock run $45 – $75 per cylinder because the pins and tooling are proprietary. Commercial storefront rekeys with a master key system start around $120 and go up with cylinder count and security level.
What affects your total: how many cylinders, what brands, and whether you need additional keys cut. That’s it. The price we write before dispatch is the price on the invoice. No trip fee added on arrival. No after-hours surprise. Call (409) 405-4485 for a free, exact quote.
We Also Serve Cities Near Alum Rock
Preston Locksmith & Security runs rekey jobs across the greater Bay Area and beyond. If you’re searching for Rekey Locks help nearby, we also cover Los Angeles, San Diego, San Jose, and San Francisco with the same written-price guarantee and live arrival tracking. And for anything in this city, start with Rekey Locks in Alum Rock from our local crews.
Serving Alum Rock, CA - Our Local Coverage Area
We’re based in the Alum Rock 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 Alum Rock
Yes. Rekeying changes the internal pins inside your existing cylinder so old keys stop working, while the deadbolt, trim, and keyhole stay exactly as they are. For most Alum Rock homes, this is faster and costs significantly less than buying new hardware. Call (409) 405-4485 and we’ll confirm your lock’s brand and condition over the phone so you know what to expect before we arrive.
Every Preston technician is background-checked and arrives in uniform, and we send you the technician’s name and photo before dispatch. You’ll also have a live arrival time you can track on your phone, so you’ll see exactly who is coming and when. Kevin Yoon’s team doesn’t send anonymous contractors to Alum Rock doors.
Most Alum Rock house rekeys finish in 30 to 60 minutes for three to four cylinders. Older cylinders with worn pins may add a few minutes while we inspect and refresh the internals. We give you a realistic time on the phone and then beat it more often than not.
Almost never. A proper rekey is non-destructive: we remove the cylinder, swap the pins, and reassemble. Drilling is only a last resort when a cylinder is frozen, snapped, or already broken beyond use, and we’ll show you why before any drill touches the lock.
Yes, and this is one of the most common requests we get in Alum Rock given the area’s rental turnover. After rekeying, we can set key control so you know exactly how many keys exist and which lock each one operates. Old keys stop working immediately, and we document it all for you.
Need a rekey in Alum Rock? Call (409) 405-4485. You’ll get a human on the line, a written price, and a live arrival time you can track. If it’s not done right, our 365-Day Done Right Promise kicks in: we make it right, free.
Written by Kevin Yoon, Owner at Preston Locksmith & Security, serving Alum Rock since 2008.






