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 San Anselmo
Rekeying a lock in San Anselmo means swapping the internal pins so old keys stop working, and the cost for a standard cylinder runs $25 – $40 per lock plus a trip fee that’s spelled out before we dispatch. No new hardware, no drilling, and the whole job on a typical three-door house takes 45 – 90 minutes once our tech arrives. If you just closed on a place off Sir Francis Drake Boulevard or handed keys to a contractor in Sleepy Hollow, call (409) 405-4485 and we’ll walk you through it.
We know San Anselmo’s streets because our crews work them every week: the flat bungalow blocks around downtown, the steep driveways above Red Hill, the shaded lanes below Bald Hill. That local familiarity matters when you’re trying to figure out whether a 1940s mortise lock can even be rekeyed without a full replacement. It usually can, and we’ll confirm the written price before a tool leaves the bag.
Why Preston Locksmith & Security Is San Anselmo’s Preferred Rekey Locks Company
You’ll hear our name from neighbors near Creek Park and the San Anselmo Hub because we do one thing differently: the price you’re quoted on the phone is the price on the invoice. The Relay Visibility Guarantee puts that in writing before dispatch, along with a live arrival time you can track, before-and-after photos of every cylinder we open, and the 365-Day Done Right Promise: if it’s not done right, we make it right, on a written guarantee stamped on every job.
Our techs are background-checked and arrive in uniform, not as an anonymous subcontractor in an unmarked van. We answer the phone with a live person 24/7, no voicemail trees. Founded in 2008 as part of the Relay Home Co. family, this location is independently owned and operated, led by Kevin Yoon. He runs a crew that trains on Medeco and Mul-T-Lock hardware as often as on basic Schlage and Kwikset cylinders, because San Anselmo’s housing stock demands both.
Response time to San Anselmo is typically 30 – 45 minutes for urgent calls, and we schedule surveyed work like commercial rekeys in precise 60-minute windows, never a four-hour block. If you’re near Wade Thomas Elementary or up in the Seminary hills, you’ll get a real time, a real name, and a photo of your tech before they knock.
Make sure to call our Rekey Locks team for a quote that won’t change when the van pulls up.
Rekey House in San Anselmo
Rekey House work in San Anselmo means every exterior door cylinder gets repinned to a new key that no previous keyholder can turn. It’s what you need after buying, after a tenant turns over, after a roommate leaves, or when a contractor who worked on the house handed keys to people you never met. On the bungalow blocks east of downtown, this work often mixes a 1930s mortise cylinder on the front door with a Kwikset deadbolt the flipper put on the back, and the flat price covers pulling and repinning each one non-destructively.
What a single-key rekey actually involves
We pull each cylinder, decode the pin stack, and install new pins cut to a fresh key. Every door ends up on the same key if you want that – common in San Anselmo because so many homes have two or three different keyways from decades of piecemeal upgrades. We cut two working copies and keep a spare off-site with key control paperwork, so nobody can claim a lost copy without a paper trail.
When rekeying beats replacing
If the existing hardware is solid brass or steel and operates smoothly, rekeying costs about $25 – $40 per cylinder and keeps the original look intact – a real consideration in San Anselmo where 1920s and 1940s door hardware is part of the home’s character. Replacing a lock only makes sense when the cylinder is genuinely worn out or the hardware is rusting from fog-season moisture that creeps up from the creek. We’ll tell you honestly which one applies, and the price is in writing before we touch a screwdriver.
Lock Rekey in San Anselmo
Lock Rekey service in San Anselmo covers everything from a single front-door deadbolt to a full property with mixed hardware – old mortise locks alongside newer Schlage and Kwikset deadbolts, common on the hillside splits off Butterfield Road and Oak Avenue. The cost is per cylinder, $25 – $40 each, with the trip fee quoted up front and no added on-site charges. A family on Laurel Avenue had just closed on a 1948 bungalow with three exterior doors – an original mortise lock on the front and two mismatched deadbolts a flipper had added. We rekeyed all three onto one Schlage key by pulling and repinning the pin and tumbler cylinders non-destructively, no drilling, no new hardware, and handed them two key control copies plus a spare kept off-site.
Mixed hardware, one key
San Anselmo’s older homes often have three different keyways from three different decades. We carry pin kits and cylinders for Schlage, Kwikset, Medeco, and Baldwin on the truck, so one visit can get every door onto a single key without ordering parts or scheduling a return trip. That matters when you’re locking up a house near the San Francisco Theological Seminary before a rental starts on the first of the month.
Replacing worn cylinders
Sometimes a cylinder is too worn to rekey reliably – the pins bind, the key wobbles, or decades of fog-season damp have corroded the springs. In that case we install a fresh cylinder in the existing hardware for roughly $45 – $85 including the new key, and we show you the worn part before it goes in the bin. That’s the before-and-after photo part of the Relay Visibility Guarantee, in practice.
Trusted Brands We Service in San Anselmo
We service Schlage, Kwikset, Medeco, and Abloy hardware, from the standard deadbolts on post-war ranches near Memorial Park to the high-security cylinders you’ll find on a few commercial doors along San Anselmo Avenue. Our trucks carry the matching pin kits and common cylinder bodies for these brands, so a same-day rekey doesn’t turn into a parts-order delay. If you have Baldwin brass on the front door and Schlage on the side entrance, both get rekeyed in the same stop, and the written quote covers both lines.
Common Rekey Locks Problems We See in San Anselmo Homes
- A flipper mixed hardware across the doors. The front door keeps an old mortise lock cylinder while the back door gets a newer Kwikset deadbolt, and the home closes with three different keys. A single rekey visit handles all of them, repinning each cylinder to one key without replacing the original hardware.
- A cheap ‘locksmith’ quoted low on the phone, then added fees in the driveway. San Anselmo homeowners call us after that happens, and we redo the work at the price we quoted before dispatch. The written price is binding, and it’s the same number on the invoice – that bait-and-switch pattern is exactly why we name our price first.
- Doors on older bungalows have settled and racked. After a correct rekey, the lock cylinder still binds because the door has shifted on its hinges or the strike plate is a few millimeters off. The fix is adjusting the strike and hinges, not swapping the lock, and we check that alignment as part of the rekey visit instead of charging a second trip.
- Fog-season damp has corroded the interior springs. Homes near the creek and shaded hillside lots hold moisture through the summer fog, and old lock bodies rust from the inside. We can usually rekey them anyway, but we’ll show you the corrosion and give you a replacement price before deciding.
Pricing for Rekey Locks in San Anselmo, CA
Rekeying standard pin-and-tumbler cylinders in San Anselmo runs $25 – $40 per lock, and a typical three-door house lands between $95 and $160 including the trip fee, key cutting, and two working copies. If we’re repinning a high-security Medeco or Abloy cylinder, that’s $45 – $65 per cylinder because the key blanks and pin kits cost more. A full house with five exterior openings, mixed mortise and modern hardware, usually falls between $150 and $230. We always confirm the full price on the phone before anyone is dispatched, and that’s the number on the invoice – no call-out surcharge added on arrival, no parts fee that appears after the job starts. Call (409) 405-4485 for a free estimate on your specific doors.
We Also Serve Cities Near San Anselmo
Beyond San Anselmo, our crews cover Fairfax, Kentfield, San Rafael, and Larkspur, which means the same written-price guarantee and live arrival time apply wherever the job is. Many of our San Anselmo customers call us for rekey work at rental properties they own one town over, and one phone call covers all of it.
Serving San Anselmo, CA - Our Local Coverage Area
We’re based in the San Anselmo 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 San Anselmo
Yes, that’s one of the most common configurations we see in San Anselmo, especially in homes built before 1960. We pull and repin the mortise cylinder in the original lock body and rekey the newer deadbolt to the same key, as long as both are serviceable – the price is $25 – $40 per cylinder, confirmed in writing before we start. Call (409) 405-4485 and we’ll confirm your specific hardware over the phone.
A typical three-door San Anselmo house takes 45 – 90 minutes on site, with an additional 30 – 45 minutes for the drive in from dispatch, and you’ll get a live arrival time to track before we roll. If the doors are racked and the strikes need adjustment, add 15 – 20 minutes, and we’ll tell you that before the work starts. The written quote includes the full scheduled window, not an open-ended hourly meter.
You’ll receive a text with the tech’s name, photo, and live arrival link before they arrive, and they’ll be in a labeled Preston uniform with a badge. Kevin Yoon runs the dispatch, and every tech is a background-checked employee – not a subbed-out worker from a call center. If the person at your door doesn’t match the photo, call us immediately and we’ll sort it out.
Rekeying runs $25 – $40 per cylinder, while replacing a deadbolt with new hardware typically starts around $60 – $120 per door depending on finish and grade, so rekeying is usually the better option when the existing lock works fine and you just need old keys dead. If the hardware is worn out or rusted through from San Anselmo’s fog and shade, replacement makes more sense, and we’ll price both before you choose. Call (409) 405-4485 for an honest comparison on your doors.
A rekey is enough for most San Anselmo homes: every exterior cylinder gets new pins, old keys stop working completely, and no prior keyholder can turn the lock. A master key system is only worth it if you want one key that opens multiple units or a single key for a landlord while tenants hold their own, which we do for some duplexes near San Anselmo Avenue. For a single-family house, rekeying is the right call, and the price is locked before dispatch.
Written by Kevin Yoon, Owner at Preston Locksmith & Security, serving San Anselmo with written-price rekey work.
Call (409) 405-4485 for a free estimate, and we’ll have a real person walk you through the price, the arrival time, and exactly what a rekey involves at your place.






