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.
Locksmith in Antioch, CA
Locksmith work in Antioch, CA has a rhythm shaped by the city’s 1990s and 2000s housing boom. Thousands of homes here use the same builder-grade Kwikset locks, installed when the Lone Tree corridor filled in, and they’re aging out at roughly the same time. Heat that breaks 100°F every summer binds deadbolts, and Delta humidity corrodes exterior hardware faster than it would in the Central Valley. If you’re locked out or replacing old locks, call (910) 714-4287 and you’ll get a real person, a written price before work begins, and a technician whose name and photo arrive before they do.
Why Antioch Homes Are Different
Most Antioch homes are stucco-and-frame tract houses built in the 1990s and 2000s, and the lock on your front door is likely a Grade 3 Kwikset knob-and-deadbolt combination that’s now 20 to 30 years old. Those locks were never built for three decades of daily use, and they fail in predictable ways: the tailpiece wears down, the latch stops retracting, and eventually the key simply stops turning. We replace and rekey these on a steady basis across Antioch’s eastern and northern neighborhoods.
Older bungalows and craftsman-style homes near downtown Antioch tell a different story. Many still have original mortise locks or non-standard keyways that need specialty work. A standard rekeying won’t touch those, and home centers don’t carry parts for them. When we open one, we photograph the lock body and match it to the correct cylinder rather than forcing something modern into a 1940s door.
Climate also does real damage here. Antioch sits inland past the marine-fog buffer, so summer temperatures over 100°F expand wooden door frames and metal strike plates enough to throw off deadbolt alignment. Then fall and spring humidity from the Delta corrodes zinc-alloy hardware, especially builder-grade pieces. What feels like a broken lock is often a swollen frame or a corroded latch, and we fix the cause rather than just replacing hardware on top of a misaligned door.
Our Main Antioch Services
Two services dominate what we do in Antioch: lock changes and door lock repair. Here’s how each works across this city’s housing stock.
Residential Locksmith in Antioch
Most residential calls in Antioch are either a lockout or a decision to upgrade aging Kwikset hardware. If you’re locked out, we can usually open your door without drilling. If your 1990s-era locks are failing, we’ll help you choose hardware that matches your door prep, which matters because stucco-frame construction limits how much drilling a door can take cleanly. Residential Locksmith in Antioch covers rekeying, lock changes, and entry hardware for homes across the city.

Door Lock Repair in Antioch
A deadbolt that binds in summer or a knob that spins without retracting the latch is usually a mechanical failure, not a job that needs a full replacement. In Antioch specifically, we see a lot of strike plate alignment issues caused by heat-driven frame expansion. The fix often takes 30 minutes. If the lock body itself has failed, we repair or quote a replacement matched to your existing footprint. Door Lock Repair in Antioch walks through common failures and what repair costs.

Change Door Locks in Antioch
Rental turnover along Lone Tree Way and Somersville Road means a lot of Antioch landlords change locks on every vacancy cycle. Often the fastest, least expensive route is a rekey, which changes the internal pins so old keys no longer work without replacing the hardware itself. If the hardware is worn beyond reliable use, we replace it. Either way, we write the price down before any work starts. Change Door Locks in Antioch explains both paths and their costs.

Commercial Locksmith in Antioch
Antioch’s apartment complexes and small commercial properties keep us busier with rekeying packages than you’d see in quieter neighboring Brentwood. Property managers with frequent tenant turnover need locks rekeyed on nearly every vacancy, and they tend to schedule rather than call in a panic. That means written scopes, flat per-lock pricing, and a schedule that respects office hours. Commercial Locksmith in Antioch covers multi-unit rekeying, master key systems, and door hardware for businesses.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in Antioch
We’re factory-authorized to install and service Schlage, Kwikset, Medeco, and Abloy hardware. Schlage and Kwikset parts are stocked locally in our service vehicles. Medeco and Abloy cylinders are ordered and cut to match your building’s keying schedule. See our brands for the full list.
Pricing for Locksmith in Antioch, CA
| Service | Typical range in Antioch |
|---|---|
| Standard door unlock (no drilling) | $60 – $120 |
| Rekey a standard knob lock | $50 – $80 per lock |
| Rekey a deadbolt | $50 – $80 per lock |
| Replace a standard knob lock | $80 – $120 per lock |
| Replace a deadbolt | $90 – $150 per lock |
| Install a new commercial mortise lock | $80 – $150 per lock |
| Adjust or repair a strike plate (including screws) | $25 – $40 per lock |
| Mailbox lockout or replacement | $40 – $90 |
| Garage lock replacement | $50 – $110 |
| Commercial security rekeying (per-cylinder, scheduled) | $15 – $30 per cylinder |
Antioch pricing runs higher when a job involves pre-1960s mortise hardware near downtown or a door with heat-related misalignment that needs frame work alongside the lock itself. What you will not see is a phone price that swells after we arrive. We put the full price in writing before any work starts, and that is the price on the invoice.
Neighborhoods We Serve in Antioch
Dunmore Locksmith covers all of Antioch and the surrounding Contra Costa communities. Our crews are in Antioch regularly, and response is usually under 60 minutes for urgent calls in most neighborhoods.
- Lone Tree corridor
- Downtown Antioch
- Golf Course Road area
- Southeast Antioch
- Harbor neighborhoods
Service Area – Cities Near Antioch
We also work across the nearby cities that share Antioch’s Delta climate and housing patterns: Oakley, CA, Pittsburg, CA, Clayton, CA, and Brentwood, CA. Dispatch and scheduling for Antioch jobs are coordinated from the San Francisco Bay Area office; the crews who arrive at your door serve Antioch locally.
Serving Antioch, CA - Our Local Coverage Area
We’re based in the Antioch 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 Locksmith in Antioch
Urgent calls in most Antioch neighborhoods can usually be reached within an hour, though afternoon call volume in summer slows that slightly. We answer the phone, confirm your address and the exact issue, and quote a price before anyone is dispatched. Call (910) 714-4287 if you need us right now.
Most Antioch HOAs allow you to change your front door locks without approval, but some newer developments along the Lone Tree corridor have rules about hardware appearance. If your HOA specifies a finish or style, we can match it with stock hardware. We’ll ask about your HOA before recommending a lock.
Before the visit, you receive the technician’s name and photo by text or email. When they arrive, they’re wearing a marked uniform and carrying a photo ID badge. If anyone arrives who you were not told to expect, that visit is covered at no charge. That’s the Threshold Standard, applied on every job.
Call Dunmore Locksmith in Antioch
If you need a lock changed, a deadbolt repaired, or you’re standing outside your door in Antioch, call (910) 714-4287. You’ll speak with a person, get a written price before anyone is dispatched, and know exactly who is coming to your door before you open it.
What happens when you call
- 1A real person answersNo phone trees - talk to a local locksmith pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Antioch Customers Say
"We moved into a new house and wanted to know nobody else had a key. He rekeyed every exterior door and showed me how the pins work. Clear and patient."
- Anita P."Our storefront door lock was worn and tough to turn. He repaired it on the spot and left us extra keys cut properly."
- Camille W."Good work installing a keypad lock on our back office. Showed up fifteen minutes late, but he called first. Programming codes took a while, but he made sure I understood it."
- Mitchell K.






