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 Berkeley
Rekeying a lock in Berkeley typically costs $75 to $350 depending on how many cylinders are involved, and a standard three-lock home rekey is usually finished in under an hour. If you’ve just moved into a rental near Telegraph Avenue, bought a house in the Berkeley Hills, or had a roommate move out of a shared place off Shattuck, rekeying is the fastest way to make old keys stop working without replacing the hardware. Preston Locksmith & Security sends a background-checked, uniformed technician to Berkeley with a written price confirmed before anyone is dispatched. Call (409) 405-4485 and you’ll talk to a live person, not a voicemail tree.
Why Preston Locksmith & Security Is Berkeley’s Preferred Rekey Locks Company
Berkeley homes present a specific kind of locksmith work. This city has a remarkable number of pre-war houses, many still carrying original mortise locks and older pin and tumbler cylinders that a generic tech might not recognize on sight. Our technicians have rekeyed enough 1920s Craftsman doors in the North Berkeley flatlands and enough 1960s apartment units near Ashby BART to know exactly what they’re looking at before the first tool comes out. We quote based on what the lock actually is, not on what a call center assumes it might be.
Every job we do in Berkeley is covered by the 365-Day Done Right Promise. If the rekey isn’t done right, we make it right, backed by a written guarantee stamped on the work. You also get The Relay Visibility Guarantee on every call: a live trackable arrival time, before-and-after photos of the lock, and a digital invoice with a pay link. The price you’re quoted on the phone is the price on the invoice. Kevin Yoon leads the team, and he holds technicians to the standard that made the company what it’s been since 2008.
Lock Rekey in Berkeley
A Lock Rekey in Berkeley often means re-pinning original hardware rather than swapping a modern deadbolt cylinder. The job involves removing the lock body or cylinder, replacing the internal pins so the old keys no longer turn, and cutting new keys to match. You keep the same lock, the same finish, and the same key style – but every key that walked out the door with a former tenant or contractor stops working that same day.
Old Mortise Locks and Vintage Cylinders
Many Berkeley homes built before the 1940s still use mortise locks, the kind with a rectangular lock body recessed into the door edge. These are not throwaway hardware. A proper rekey means extracting the cylinder, reading the existing pin stack, and re-pinning it to a fresh key code. We see warped pins and decades of brass dust in these locks all the time, and that’s exactly why the whole stack gets reset, not just a couple of pins.
Bedroom and Interior Door Rekeys
Renters and homeowners in shared houses around Elmwood and South Berkeley often want interior bedroom doors keyed separately. We can key them to their own key, or key them alike so one key operates multiple doors. Pricing is per cylinder, and we confirm the total before any work begins.
Locksmith Rekey in Berkeley
A Locksmith Rekey in Berkeley is the most common service call we run for people who just closed on a home, lost a key, or ended a lease. Unlike replacing locks, a rekey doesn’t change the exterior hardware at all. We re-pin the cylinder to a new key, which means the physical lock still matches the rest of the house. The result is the same security outcome – old keys die – at a lower cost and without mismatched hardware.
Key Control for Rentals and Shared Housing
Berkeley has one of the densest rental markets in the East Bay, and keys move through a lot of hands. Roommates, subletters, dog walkers, cleaning crews, previous owners. If you don’t know how many copies of your key exist, you don’t actually know how many people can open your front door. A rekey resets that count to zero, because the old key is no longer part of the lock’s pin configuration.
Same Key for Multiple Locks
If your front door, back door, and deadbolt all use different keys, we can key them alike so a single key operates everything. This is standard practice for Berkeley homeowners who want to carry one key instead of a ring, and it’s typically done as part of a whole-home rekey. We quote the full scope in writing before dispatch.
Trusted Brands We Service in Berkeley
Our techs work on Schlage, Kwikset, Medeco, Yale, Baldwin, Mul-T-Lock, Sargent, and Abloy hardware. On a Berkeley call, that range matters. You’re as likely to find a 1960s Yale deadbolt on a Northside apartment as you are a modern Kwikset on a recent South Berkeley ADU. We carry a broad pin kit across these brands, which means we rarely have to leave your door hanging to go chase a part. For premium cylinders like Medeco and Mul-T-Lock, we can rekey to a new key code and register the new keys for future duplication control.
Common Rekey Locks Problems We See in Berkeley Homes
- Original mortise locks with no replacement cylinders available. Berkeley’s old housing stock means a surprising number of entry doors still run on original 1920s and 1930s mortise locks. Generic locksmiths often quote a swap they can’t actually finish once they see the lock body. We re-pin the cylinder in place, which preserves the original hardware and shuts down old keys.
- Worn-original pins that still accept the old key after a partial rekey. A sloppy rekey leaves a couple of original pins in the stack, which means the old key can still turn, maybe with a jiggle. We remove and replace the full pin stack every time, not just the top few pins.
- Spare keys floating around from former tenants and subletters. Berkeley’s rental turnover is constant. If you’ve had three roommates in two years, there’s a good chance every one of them made a copy at the nearest hardware counter. One rekey wipes all of that out.
- Fresh paint or new hardware that makes the lock stick after a move-in. Older Berkeley homes settle, doors swell in the marine air, and a lock that worked fine in August can bind by February. We check the strike plate and latch alignment as part of the rekey so the new key turns smoothly instead of fighting the door.
Pricing for Rekey Locks in Berkeley, CA
A straightforward rekey of a standard pin and tumbler lock in Berkeley typically runs $75 to $120 per cylinder. A full home rekey with three to five locks, common for a house in the Berkeley flats or hills, generally lands between $200 and $350. Mortise locks and high-security cylinders like Medeco or Mul-T-Lock run higher because the cylinder work is more involved and the key control registration adds a step. The written price is confirmed on the phone before a tech is dispatched, and it is the price on the invoice when the work is done. If the lock needs a part we didn’t anticipate, we stop and re-quote before touching it. Call (409) 405-4485 for a free estimate with exact numbers for your address.
We Also Serve Cities Near Berkeley
Our technicians handle Rekey Locks calls across the East Bay. If you’re in Emeryville, Albany, El Cerrito, or Piedmont, the same written-price process applies. You can book a Rekey Locks in Berkeley appointment the same way: call, get a fixed quote, and track your tech’s arrival in real time.
Serving Berkeley, CA - Our Local Coverage Area
We’re based in the Berkeley 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 Berkeley
In almost every case, we can rekey a mortise lock in place without replacing the hardware. The original lock body stays in the door, we pull the cylinder, re-pin it to a new key code, and the old keys stop working. Replacement is only needed if the lock body itself is physically broken. Call (409) 405-4485 and describe your lock – if you can see a rectangular plate on the door edge, it’s almost certainly rekeyable.
A standard three-lock rekey in Berkeley takes about 45 to 75 minutes from the time our tech arrives. Older mortise locks may add 10 to 15 minutes per lock because the cylinder extraction and re-pinning takes a few extra steps. We’ll tell you the full time estimate on the phone when you book.
We rekey Schlage, Kwikset, Yale, Baldwin, Medeco, Mul-T-Lock, Sargent, and Abloy. Most homes in Berkeley will have one of these, and for high-security Medeco or Mul-T-Lock cylinders we can register replacement keys so they can’t be copied at a hardware store. Tell us the brand stamped on the face of your lock and we’ll confirm the rekey scope before dispatch.
Yes. Our technicians arrive in uniform, carry identification, and send you a photo and name through the live arrival link before they ring the bell. Kevin Yoon’s team does not send an anonymous person in an unmarked van. You’ll know who is coming, what they look like, and when they will arrive before they knock.
Rekey. A rekey disables every copy of the old key for around $75 to $120 per lock, which is less than replacing hardware and keeps your door matching the rest of the house. If the locks are worn enough that they bind or scrape, we’ll talk through replacement options, but key control alone almost never requires new hardware. Call (409) 405-4485 for an exact quote, and we’ll walk through your key history before we touch a single lock.
Written by Kevin Yoon, Owner at Preston Locksmith & Security, serving Berkeley since 2008.






