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 Walnut
If you’ve just closed on a house off La Puente Road or you’re changing tenants in a unit near Mt. San Antonio College, rekeying locks in Walnut usually runs $65 – $110 per cylinder, and most whole-home jobs finish the same day we arrive. Rekeying means swapping the internal pins inside your existing lock so the old keys stop working, without buying new hardware. Preston Locksmith & Security has been doing this since 2008, and every job starts with a written price before our background-checked technician rolls toward your Walnut neighborhood. Call (409) 405-4485 and you’ll talk to a live person, not a call center script.
What makes Walnut different for locksmith work comes down to the housing stock. Most of the city was built out between the late 1980s and the mid-2000s, which means a huge share of single-family homes still carry their original builder-grade Kwikset or Schlage knob-and-deadbolt sets. That’s not a problem, but it changes the job. You’re not rekeying new hardware. You’re refreshing 20 to 30 year-old pin and tumbler cylinders, and that’s exactly the work our Rekey Locks team does most often here.
Why Preston Locksmith & Security Is Walnut’s Preferred Rekey Locks Company
When a Walnut homeowner calls us from the Country Hollow neighborhood or the streets east of Lemon Avenue, they get the same experience every time: a live person answers, a written price is confirmed before dispatch, and the technician’s arrival time is trackable in real time. That’s The Relay Visibility Guarantee, and it’s the reason homeowners stop shopping around after the first call.
Kevin Yoon, who leads our team, built the Walnut service area around one idea: nobody in this city should have to guess who’s showing up or what the invoice will say. Our techs are background-checked and arrive in uniform, with the truck stocked for the hardware Walnut homes actually have. Schlage deadbolts from Creekside tract homes, Kwikset knobs from the Sungrove developments, Medeco and Yale cylinders on newer custom builds. We service all of it and we stock common pins and parts locally, so a typical rekey doesn’t turn into a parts-waiting situation.
Homeowners near Suzanne Park and Walnut High School regularly tell us the same thing: the price on the phone matched the invoice exactly, and the tech showed before-and-after photos of every lock touched. That’s the standard we hold. No dispatch fee added after arrival. No “well, this is a specialty cylinder” upsell after the fact. The written price is the price.
Rekey House in Walnut
Rekey House in Walnut is the job we run most often, usually for a full set of exterior doors ranging from $180 to $340 depending on how many cylinders are involved and whether the locks were keyed alike to begin with. The work itself is straightforward: we pull each cylinder, replace the internal pins so the old key pattern is dead, and hand you a fresh set of keys that work every lock you want on one keyring. For most Walnut tract homes, that’s three or four cylinders: front door, garage-side door, back slider or French door, and sometimes a side gate.
Same-Day Rekey After a Purchase
If you’re closing escrow on a home near Snow Creek Park, rekeying should be on your moving-day checklist before you sleep there the first night. We regularly handle same-day calls from buyers who got keys from a title office at 3 p.m. and want the locks changed before the moving truck arrives. The entire house can be repinned in under an hour when the cylinders are standard Schlage or Kwikset.
When a Key Goes Missing
Lost a key somewhere between Walnut High School pickup and the grocery run on Valley Boulevard? Don’t replace the hardware. Rekeying kills the lost key entirely. We can key all your exterior locks to a new cut in a single visit, and you’ll keep the same knobs and deadbolts you’re used to. One caveat: if a cylinder is frozen from 25 years of Walnut heat and dust, repinning it isn’t the right call. We’ll tell you that on site and quote a replacement before touching anything.
Lock Rekey in Walnut
Lock Rekey in Walnut can mean a single lock or a whole property, but the pricing logic is the same: $65 to $85 for a standard residential cylinder, and around $95 to $110 per cylinder when we’re working with high-security profiles like Medeco or Mul-T-Lock. A detached garage lock, a side gate deadbolt, or the door between the house and the garage all count. Every quote is written and confirmed before our tech puts a tool on the lock.
Mixed Hardware on One House
Here’s a Walnut-specific problem we see constantly: builder crews mixed brands. A front door gets a Kwikset knob but the deadbolt above it is Schlage. The garage-side door is another brand entirely. One “rekey the house” ticket can require two different pin kits mid-job, which is why we ask the right questions on the phone instead of finding out at the door. When you call, we’ll walk you through checking the brand stamp on each lock so the written quote is accurate before anyone drives to Walnut.
Rekey After a Tenant Change
For landlords with rentals near Mt. SAC, a tenant turnover means every exterior lock needs to be repinned before the new lease starts. We handle these as scheduled appointments, not emergency dispatches, and we’ll provide a written scope with a flat per-lock price. If you own a duplex or triplex in the neighborhoods south of Amar Road, ask about a master key setup so you can access all units with one key while tenants each carry their own.
Trusted Brands We Service in Walnut
Walnut homes run on a mix of Schlage and Kwikset from the tract-building years, with Medeco and Yale showing up on newer high-end builds near Snow Creek and Three Oaks. Our techs carry pin kits and common parts for all four brands, plus Mul-T-Lock, Sargent, Baldwin, and Abloy for commercial properties. That means a same-day rekey on your original Kwikset knobs doesn’t stall while someone drives to a supply house. If we’re repinning a Medeco high-security cylinder, we’ll factor that into the written price before dispatch so there are no surprises after the work starts.
Common Rekey Locks Problems We See in Walnut Homes
- Two-decade-old builder locks that turn rough. The late-80s through 2000s builds in Walnut shipped with Kwikset and Schlage cylinders that now have 20 to 30 years of dust and daily use inside. Repinning a cylinder with worn internals just moves the sticky-turn problem to the next key. We test each cylinder and tell you straight if replacement makes more sense than rekeying.
- Mixed hardware from the original build. Builder crews routinely paired Kwikset knobs with Schlage deadbolts on the same door. If you assume it’s all one brand and quote it that way, the tech runs out of the right pins mid-job. We verify brand by brand on the phone so the price you agree to is the price on the invoice.
- Lost keys after roommates move out. Near Mt. SAC, we get a lot of calls from parents whose college-age kids shared copies of the house key with friends over the semesters. You can’t track who still has a copy. Rekeying is the only way to kill every old key at once, and it costs less than replacing the hardware.
- Dispatch-fee bait from out-of-area call centers. Walnut homeowners sometimes call the cheapest number they find and get a tech in the driveway who now wants a “dispatch fee” before opening a tool bag. The price agreed before dispatch is the only number that should matter. Our quote is written, confirmed, and final before anyone leaves for your address.
Pricing for Rekey Locks in Walnut, CA
A standard residential rekey in Walnut runs $65 – $85 per cylinder for Schlage or Kwikset hardware. High-security cylinders like Medeco or Mul-T-Lock run $95 – $110 per cylinder. A full house with three or four exterior doors typically lands between $180 and $340 all in. If a cylinder is too worn to repin cleanly, we’ll show you why and quote a replacement before any additional work happens. The price we write before dispatch is the price on the final invoice. No dispatch fee added in your driveway, no “this looks like a specialty lock” upsell. Call (409) 405-4485 for a free estimate, and we’ll lock the number in writing.
We Also Serve Cities Near Walnut
If you’re just over the city line, we run the same Rekey Locks in Walnut service into Rowland Heights, Diamond Bar, La Puente, and West Covina. Same written pricing, same trackable arrival time, same 365-Day Done Right Promise on every job. Dispatch and scheduling are coordinated from our Los Angeles office, with crews serving Walnut locally.
Serving Walnut, CA - Our Local Coverage Area
We’re based in the Walnut 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 Walnut
Yes. We walk through each exterior door with you on the phone, identify the lock brand, and give you a written price before any tech leaves for your Walnut address. That number covers the full job, including the service call. There is no dispatch fee added when the technician arrives, and the invoice shows exactly the number you approved. Call (409) 405-4485 and we’ll have your quote ready in about five minutes.
Most Walnut homes take between 45 minutes and an hour and a half from arrival to new keys in your hand. The main variable is how many cylinders are involved and whether we’re dealing with two different pin kits because the builder mixed brands. A standard three-door tract home with Schlage or Kwikset hardware is usually done in under an hour. High-security cylinders add a little time, and we’ll tell you that on the phone before you book.
You’ll have the technician’s name and a live tracking link before they leave for your Walnut home. The tech arrives in uniform, is background-checked, and carries company identification. The Relay Visibility Guarantee also includes before-and-after photos of every lock we touch, so you can see exactly what was done. If anything feels off at the door, call us at (409) 405-4485 and we’ll confirm the tech’s name on the spot.
Most original Kwikset and Schlage cylinders from Walnut’s late-80s through 2000s builds can be rekeyed without a problem. The deciding factor is internal wear. If the key turns rough, sticks, or the cylinder has been forced at some point, repinning it just means the next key grinds on the same worn parts. We’ll test each lock during the visit and tell you honestly whether rekeying or a cylinder replacement is the better move. The quote for either option is in writing before we do the work.
Yes. We set up master key systems for Walnut homes and small rental properties regularly. You carry one master key that opens every lock, while each family member, cleaner, or tenant gets a key that only opens their assigned doors. We typically build these on Schlage or Kwikset hardware for standard residential jobs, and on Medeco or Mul-T-Lock when higher security is needed. We’ll scope it in writing with a flat per-lock price before anyone starts. Call (409) 405-4485 to talk through your setup.
Call Preston Locksmith & Security for Rekey Locks in Walnut
If you need locks repinned in Walnut, don’t gamble on a phone quote that changes when the tech reaches your driveway. Call (409) 405-4485 and get a written price, a live arrival time, and a background-checked technician who shows up in uniform with the right pin kits for your exact hardware. Every job carries the 365-Day Done Right Promise: if it’s not done right, we make it right, and you get a free second visit if the repair fails. That’s the guarantee, stamped in writing on every invoice.
Written by Kevin Yoon, Owner at Preston Locksmith & Security, serving Walnut since 2008.






