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 Brentwood
Locked out on Sand Creek Road or just bought a place off Balfour and want every lock changed before move-in? We get to Brentwood homes fast, usually within 45 to 60 minutes for emergency callouts, and our residential locksmith work is quoted in writing before anyone leaves the bay. The price on the phone is the price on the invoice – no drill-out add-ons, no doorstep surprise fees. Most Brentwood jobs are rekeys and deadbolt upgrades on 1970s to 1990s ranch and two-story homes, and our vans carry the Schlage, Kwikset, Medeco, and Yale hardware those houses were built with or have had installed since. Call (409) 405-4485 and you will speak with a live person who can give you a real price range, not a vague “technician will assess on site.”
Why Preston Locksmith & Security Is Brentwood’s Preferred Residential Locksmith Company
We founded in 2008, and the way we run residential jobs has stayed the same since: a flat written price before dispatch, a live trackable arrival time, before-and-after photos of every repair, and a written guarantee stapled to the invoice. Brentwood homeowners do not have a locksmith storefront downtown to walk into, so door-step verification matters more here. Every tech is background-checked, arrives in uniform, and can show ID before touching a lock.
Our Residential Locksmith team works the whole Brentwood area, from the Garin Ranch subdivisions up to the newer builds around the Streets of Brentwood. When we say we cover Brentwood, we mean it: we are dispatching from the San Francisco Bay Area office with crews that know the difference between a 1980s Kwikset key-in-knob on a Mimosa Drive rancher and a Schlage B60 deadbolt on a newer two-story near Deer Ridge. That local pattern knowledge is what lets us quote accurately over the phone instead of giving you a range so wide it means nothing.
Locksmith Key Replacement in Brentwood
Locksmith Key Replacement in Brentwood usually means one of two things: you lost every copy of a key, or the ones you have are so worn they barely turn the cylinder. A worn key that works only at a certain angle will eventually stop turning entirely, and on older Brentwood homes with original builder-grade Kwikset locks, that failure point comes faster than you would expect. We cut new keys by code number when the lock is still installed, or decode the cylinder and cut fresh keys right from the van. Rekeying a standard lock runs $95 to $165 per cylinder in Brentwood, and key replacement itself typically adds $15 to $45 depending on the keyway and brand.
Written price before we cut anything
Brentwood homeowners call us after a key snaps in a deadbolt or disappears from a key ring, and the first question is always what it will cost. We answer that before dispatch. The flat quote covers the trip, the labor, the new keys, and a written guarantee on the work. If the key replacement fails because we messed up, the second visit is free under the 365-Day Done Right Promise.
When new keys are not enough
Sometimes the issue is not the key but the cylinder itself. On 40-year-old Schlage locks in Brentwood, the internal pins and springs wear out, and a new key just means a new key in a worn lock. We can rekey the cylinder with fresh pins and springs so the old keys stop working, or swap in a new Kwikset SmartKey or Schlage cylinder if you want key control without replacing the whole hardware set.
Smart Lock Installation in Brentwood
Smart Lock Installation in Brentwood is most common on front doors and garage entry doors, and the question we hear from homeowners near Balfour Road and beyond is whether they can keep their existing deadbolt. The answer is yes, usually. We install keypad deadbolts from Schlage (the Encode and Connect lines), Kwikset (Halo and SmartCode), and Yale (Assure lock series) that replace the interior thumbturn while keeping the exterior cylinder, or full smart deadbolt replacements when you want a single brand ecosystem. Smart lock installation in Brentwood typically runs $185 to $340 depending on whether we are retrofitting an existing deadbolt or installing a complete new smart lock with programming.
Wifi, keypad, or both
Most Brentwood homeowners choose a keypad deadbolt with wifi so they can issue temporary codes to cleaners, dog walkers, or contractors coming through the Streets of Brentwood area. We set up the app on your phone, walk through programming the master code, and confirm the auto-lock timer works before we leave. The written price includes that setup; it is not an upsell at the door.
Keeping your existing key
If you want to keep using your physical key as a backup, we match the smart lock to your existing Schlage or Kwikset keyway and rekey the cylinder to match the rest of the house. That way one key still works every door, and the keypad handles daily entry. Saves you from carrying keys for a door you rarely use.
Trusted Brands We Service in Brentwood
We service and install Schlage, Kwikset, Medeco, and Yale hardware, and our vans are stocked with the deadbolts, cylinders, and key blanks those brands use. That matters for Brentwood homeowners because builder-grade hardware from the 1980s and 1990s does not share keyways with today’s high-security stuff, and a tech who shows up with only basic kit makes a second trip. We stock Medeco and high-security cylinders for homeowners who want bump-resistant and pick-resistant upgrades, plus the common Schlage and Kwikset deadbolts that cover most ranch and two-story homes in Brentwood. You get a written price for the exact hardware before we dispatch, not a range that shifts after we see the door.
Common Residential Locksmith Problems We See in Brentwood Homes
- Worn builder-grade Kwikset and Schlage cylinders on 1970s to 1990s homes. Brentwood grew fast in those decades, and a huge share of the housing stock still has original locks. The pins wear down, keys get sloppy, and eventually the cylinder seizes or the key snaps.
- Deadbolts misaligned after the dry season shifts the door frame. Brentwood summers are hot and dry, and wood doors and frames contract. A deadbolt that threw smoothly in March can bind by August, and homeowners force it until the strike plate or the bolt itself gives out.
- Garage entry door locks ignored for years. Most Brentwood homes have an interior garage entry door that nobody thinks about until a lockout. We routinely find the original cheap lock completely frozen, and it needs a rekey or replacement on the spot.
- Weekend lockouts after garage sales or open houses in neighborhoods like Deer Ridge. It happens: keys get handed out, one goes missing, and by Sunday night nobody is sure who has a copy. We rekey every exterior lock in one visit and hand over a fresh set of keys with a written guarantee.
Pricing for Residential Locksmith in Brentwood, CA
Here is what residential work actually costs in Brentwood. Rekeying a standard lock runs $95 to $165 per cylinder. New deadbolt installation on a standard wood door runs $165 to $285 including the hardware. Smart lock installation runs $185 to $340 including programming and app setup. Lockout service with non-destructive entry runs $95 to $185. Door reinforcement, including strike plate replacement and longer screws, runs $75 to $140 per door. The quote you get on the phone is the flat price you pay, assuming no unforeseen structural damage that we show you before doing the extra work. We do not charge a call-out fee on top of the quote, and the written guarantee covers the repair for 365 days. Call (409) 405-4485 and we will put the price in writing before anyone starts the van.
We Also Serve Cities Near Brentwood
Beyond Brentwood, we run residential locksmith calls to Oakley, Discovery Bay, Antioch, and Byron. The response time to those areas is similar to what we quote for Brentwood, and the same flat-rate written pricing applies. If you are on the edge of Brentwood near the Antioch border on Lone Tree Way or out toward Byron, call (409) 405-4485 and we will confirm coverage and give you an honest arrival window.
Serving Brentwood, CA - Our Local Coverage Area
We’re based in the Brentwood 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 Brentwood
You get the flat price on the phone, in writing, before anyone leaves the bay. We ask a few specific questions: the brand of lock if you know it, the door type, whether it is a lockout or a rekey, and how many cylinders are involved. From that we quote a number that covers the trip, labor, hardware, and the written guarantee. The only thing that changes it is if we find structural damage after arrival, and we show you that damage and re-quote before doing any additional work. If you want an exact quote for your home, call (409) 405-4485.
We try non-destructive entry first on every Brentwood lockout. Most homeowner-grade deadbolts, especially Schlage pin and tumbler and Kwikset cylinders, can be picked or bypassed without drilling. If drilling is genuinely required, typically because the cylinder is seized or the key broke off inside, we tell you before we do it and the drill is already covered in the phone quote. You will not see a surprise “drill-out fee” on the invoice. We replace the drilled cylinder with new hardware and rekey it to a fresh key.
Most Brentwood ranch homes have three exterior doors with standard Kwikset or Schlage cylinders. A full rekey of all three takes 45 to 75 minutes from the time we arrive, including cutting new keys and testing each lock. If we are doing additional work at the same visit, like adding a bump-resistant cylinder or reinforcing a strike plate, add 20 to 30 minutes per door. You get a written guarantee covering the rekey for 365 days.
We install Schlage Encode, Schlage Connect, Kwikset Halo, Kwikset SmartCode, and Yale Assure smart locks across Brentwood. In most cases, yes, you keep the existing deadbolt exterior and we retrofit the interior thumbturn with the smart lock, so your old key still works as a backup. The written quote includes app setup, programming, and a short walkthrough. If the existing deadbolt is worn or damaged, we will quote a full replacement at the same time so you know the total before work starts.
Every tech we send to a Brentwood home is background-checked, arrives in a Preston Locksmith & Security uniform, and carries photo ID. You will also have the tech’s name and photo in the confirmation you get before dispatch, along with a live trackable arrival time through The Relay Visibility Guarantee. If someone shows up claiming to be us without that ID and uniform, do not let them in. We would rather you call (409) 405-4485 to confirm than risk an unlicensed operator touching your locks.
Written by Kevin Yoon, Owner at Preston Locksmith & Security. Serving Brentwood homeowners with flat-rate residential locksmith work, written guarantees, and same-day rekey and lockout service.






