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 Residential Locksmith Across Kensington
If you’re locked out of your Kensington home or need a lock rekeyed after getting new keys, a residential locksmith in Kensington typically costs $95-$160 for a standard lockout and $25-$45 per cylinder for rekeying. We show up with a written price already locked in, a live arrival time you can track, and a background-checked technician in uniform. Call (409) 405-4485 and we will walk you through the exact cost before anyone leaves the shop.
Kensington has its own rhythm: homes climb the hills off Arlington Avenue, streets like Coventry Road and Kenyon Avenue wind tight, and a lot of those houses have been standing since before 1960. That means locksmith work here is not about selling you a new deadbolt. It is about opening and rekeying original hardware without wrecking it. Our Residential Locksmith team knows the difference.
Why Preston Locksmith & Security Is Kensington’s Preferred Residential Locksmith Company
Kevin Yoon founded Preston Locksmith & Security in 2008, and the company has operated under one rule since day one: the price you are quoted on the phone is the price on the invoice. No “difficult lock” add-ons, no after-hours fee that appears after we arrive. That matters in Kensington especially, because an original 1950s mortise lock can take real skill to open non-destructively, and some shops quote low knowing they will bill extra once the tech sees the door. We do not do that. We quote flat rates, and we put them in writing before a single tool leaves the bag.
Every Kensington job is covered by the 365-Day Done Right Promise. If a rekey or lock change is not done right, we make it right, free of charge, for a full year. That is backed by a written guarantee stamped on every repair. If the repair fails, the second visit is free. No charge, no argument. We also send before-and-after photos of every job, so you can see exactly what was done even if you are not home when the tech finishes.
Our phones are answered by a live person 24/7. Not a voicemail tree. Not a callback queue. When you call (409) 405-4485 at 2 a.m. because you are locked out near Kensington Park, a real person picks up and starts coordinating your dispatch. That is The Relay Visibility Guarantee at work: a written price before work begins, a live trackable arrival time, before-and-after photos, and a written guarantee on every repair. Kevin Yoon built the company around that standard, and no Kensington job goes out without it.
Lost Key Replacement in Kensington
Lost Key Replacement in Kensington usually means one of two things: you need keys cut to match an existing lock, or you need the lock rekeyed so the lost keys no longer work. For older Kensington homes with original Schlage or Kwikset pin-and-tumbler cylinders, the better move is almost always rekeying, not replacing. Rekeying a standard lock in Kensington runs $25-$45 per cylinder, and it takes about 20 minutes per lock. If you need new keys cut, add $5-$10 per key, depending on the blank.
Rekeying After a Lost Key
When keys go missing, the question is not whether someone might find them. It is whether you want to risk finding out. Rekeying swaps the internal pins inside the cylinder so the old key turns nothing. We do it on-site, in Kensington, usually within an hour of arrival. You keep your original lock body and hardware. You just get new keys, and the old ones become scrap metal.
New Keys for Kensington Homes
Some homes in Kensington still run on original 1950s mortise locks. We cut replacement keys for those too, including Yale and Baldwin mortise cylinders. If the key code is worn to the point where it cannot be duplicated reliably, we can disassemble the lock, read the pins directly, and cut a fresh key from the measurements. That skill saves you from drilling a door that has stood fine for seventy years.
House Key Locksmith in Kensington
A House Key Locksmith in Kensington handles the practical stuff: duplicate keys, rekeying after a roommate moves out, keying multiple doors alike so one key works everything, or repairing a lock that jams. The average Kensington homeowner calls us for a house key issue about once every few years, and most jobs fall between $25 and $85. If you want all your exterior doors keyed alike, expect $25-$45 per cylinder rekeyed, plus a single key blank charge for each key you need.
Keying All Doors Alike
This is the job that makes the most sense for older Kensington homes with separate keys for front door, back door, garage, and side gate. We can rekey each cylinder so one key operates every lock. You do not buy new hardware. You keep your original Baldwin, Schlage, or Kwikset locks, and we pin them to match. It typically takes under two hours for a whole house, and we quote the full job price before we start.
Lock and Key Repairs
Sometimes the problem is not the key, but the lock itself: a deadbolt that will not throw, a cylinder that spins, a latch that sticks when the fog rolls in off the bay. Kensington gets damp winter mornings, and that moisture works into older lock bodies. We clean, lubricate, and replace internal parts where needed, usually for $65-$130 per lock, depending on what the internals require. We will tell you if a replacement is actually cheaper than a repair, and we will show you the math.
Trusted Brands We Service in Kensington
Kensington homes run on a mix of old and new hardware. We service and stock parts for Schlage, Kwikset, Medeco, Yale, and Baldwin. That covers everything from a 1950s mortise lock on Coventry Road to a brand-new smart deadbolt on a rebuilt hillside home off Arlington. Because we carry common pins, springs, and cylinders in our service vehicles, most repairs and rekeys for Kensington customers happen in a single visit. No ordering parts and making you wait a week. If the part is not in the van, we will tell you right away and quote the second visit before we leave.
Common Residential Locksmith Problems We See in Kensington Homes
- Original mortise locks from pre-1960 homes. The housing stock in Kensington skews old, and many doors still have their original mortise lock bodies. These locks are built differently from modern bored deadbolts, and a tech who only knows how to drill and replace will destroy a perfectly serviceable lock. We open them non-destructively and rekey them in place.
- Teaser pricing that balloons on-site. Kensington’s older locks can genuinely take longer to open than a modern Kwikset. We know this, so we quote flat rates that reflect the real work. If another shop quotes you $15 and then wants $180 for the “difficult lock” fee, that is a bait price. Our price is the price.
- Unnecessary drilling on original hardware. Drilling a lock is fast and easy. Opening a 70-year-old mortise lock without damage takes skill. We train our techs on non-destructive entry specifically because Kensington has so many original locks worth preserving. Drilling is a last resort, never step one.
- Fog and moisture jamming lock internals. Kensington sits close enough to the bay that morning fog works its way into exposed locks. It rusts springs, swells internal components, and makes keys stick. Regular lubrication helps, and we will show you which lubricant to use and which ones make it worse.
Pricing for Residential Locksmith in Kensington, CA
Here are the real numbers for Kensington. A standard lockout runs $95-$160 depending on the lock type and time of day. Rekeying costs $25-$45 per cylinder, with most homes having three to five exterior cylinders. Deadbolt installation runs $85-$180 including the hardware, if you supply a standard Schlage or Kwikset deadbolt. Lock changes, where we provide the hardware, run $120-$240 total per door. Lost key replacement with rekeying falls between $65 and $120 for a single door. The price we quote on the phone is the price on the invoice. Full stop. Call (409) 405-4485 for a free estimate. We will ask about your locks, your door hardware, and your cross streets in Kensington, and then we will give you a flat number before dispatch.
We Also Serve Cities Near Kensington
If you are just outside the Kensington boundary, we also serve Los Angeles, San Diego, San Jose, and San Francisco. Our Residential Locksmith in Kensington team coordinates with our broader Bay Area dispatch, so the same written-price guarantee and live arrival tracking apply wherever the job lands. If your home sits in a nearby city, call us and we will route the nearest available tech your way.
Serving Kensington, CA - Our Local Coverage Area
We’re based in the Kensington 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 Residential Locksmith in Kensington
Yes. Non-destructive entry on original mortise locks is a core skill on our Kensington jobs. We use the pins, the keyway, and the lock’s original tolerances to open it without drilling, then rekey the cylinder in place. That is exactly what we did for a homeowner on Elm Street whose 1950s mortise lock had jammed shut. We opened it clean, rekeyed it, and added a bump-resistant deadbolt, all in under an hour. Call (409) 405-4485 and tell us the age of your lock and the keyway shape, and we will quote the job flat rate before dispatch.
Because the price is in writing before any work starts. That is The Relay Visibility Guarantee, and it is part of every Kensington job. The quote you get on the phone is the figure on your invoice. No exceptions. If something changes once we see the door, we stop, explain the new scope, and get your approval before the new price is in writing. The 365-Day Done Right Promise also means if the repair fails, the second visit is free. Call (409) 405-4485 for an exact quote, and you will have the number before we dispatch.
We service Schlage, Kwikset, Medeco, Yale, and Baldwin hardware, plus original mortise locks from older Kensington homes. Our techs carry pins, springs, and common cylinders for those brands in the van, so a single visit usually handles the job. If you have a high-security Medeco or Mul-T-Lock cylinder, we can service those too, though the rekey cost runs higher due to the specialized pins. Call (409) 405-4485 and tell us what is stamped on your lock face, and we will quote it accurately.
Yes. Rekeying is often the better option than replacement for Kensington’s pre-1960 homes. We pull the cylinder, swap the internal pins so the old keys stop working, and cut new keys. You keep the original hardware, which preserves the look and fit of your original mortise or rim lock. Rekeying runs $25-$45 per cylinder in Kensington, and a full house of three to five locks takes under two hours. Call (409) 405-4485 and we will give you a flat rate for your whole door lineup.
Typically within 30 to 60 minutes for most Kensington addresses. We dispatch from our Bay Area office and route the nearest available tech, so response time depends on traffic on Arlington Avenue or the hill roads. You will get a live trackable arrival time on your phone once the tech is en route, so you are not standing outside guessing. Call (409) 405-4485 and a live person will answer immediately, 24/7. We will confirm your cross streets in Kensington, quote the flat rate, and get someone moving.
Written by Kevin Yoon, Owner at Preston Locksmith & Security, serving Kensington, CA since 2008.






