Residential Locksmith in Brentwood, CA | Preston Locksmith & Security - Preston Locksmith & Security

Residential Locksmith in Brentwood - On-Site Fast, Price Quoted Before We Drive

You get the full price before we set off, and that is the number on the invoice. Licensed, insured, background-checked locksmiths covering the whole area.

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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.

Styles & brands we work with

House lockouts
House lockouts
Re-keying
Re-keying
Deadbolt upgrades
Deadbolt upgrades
Smart locks
Smart locks
Schlage
Schlage
Kwikset
Kwikset
Car keys & fobs
Car keys & fobs

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.”

Call (409) 405-4485

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

Why Brentwood Chooses Preston Locksmith & Security

We set the standard for residential locksmith in Brentwood.

30-60 Min Response

Fast dispatch across Brentwood. Same-day and after-hours emergency service available.

Licensed & Insured

Fully certified technicians who meet all local and state licensing requirements.

Upfront Pricing

No hidden fees, no surprises. You approve the price before any work begins.

Guaranteed Work

Every repair and installation is backed by our workmanship warranty and satisfaction guarantee.

How It Works in Brentwood

Getting your residential locksmith handled is simple and fast.

1

Call or Request a Free Estimate

Tell us about your residential locksmith needs and we provide an upfront, transparent quote - no obligation, no hidden fees.

2

Licensed Technician Dispatched

A background-checked, certified technician arrives in Brentwood - typically within 30-60 minutes, with parts stocked on the truck.

3

Problem Solved, Guaranteed

We complete the job to your full satisfaction, backed by our warranty and 100% satisfaction guarantee.

What happens when you call

  1. 1
    A real person answersNo phone trees - talk to a local residential locksmith pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
  3. 3
    We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
  4. 4
    You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.

What Brentwood Customers Say

Trusted by homeowners across Brentwood and surrounding areas.

★★★★★

"Showed me how to rekey a lock myself for the next time."

Omar W. · Verified customer
★★★★★

"Commercial office lock replacement. Booked in the app, got a confirmation and a text with ETA. Quick and tidy."

Jake L. · Verified customer
★★★★★

"Re-pinned the locks at our rental. Convenient and quick."

Tina D. · Verified customer

Current Offers

Bring these savings to your next appointment.

Price Quoted Before We Drive

The number you are given on the phone is the number on the invoice.

Expires Mar 31, 2027
Always

Written Price Before Any Work Starts

Expires Mar 31, 2027
Included

Written Guarantee on Every Repair

Expires Mar 31, 2027
Free

Free Second Visit if the Repair Fails

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(409) 405-4485

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