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 Pomona, CA
If you need a locksmith in Pomona, you’re likely dealing with an older lock, a swollen wood door frame, or a rental property that needs new keys before new tenants move in. Pomona’s pre-1970s housing stock and inland heat create a very specific set of lock problems that newer communities simply don’t see. We’re Dunmore Locksmith, your local Threshold Group member, and we answer the phone live 24/7. Call (910) 714-4287 for a written, no-surprise quote.
Why Pomona Homes Are Different
Much of Pomona’s housing was built before 1970: Craftsman bungalows from the 1920s through the 1940s in the historic core, and mid-century tract homes across the south and east flats. Many still have original mortise lock sets or hollow-core doors with undersized strike plates that offer little real security. And Pomona’s property crime rates rank among the highest in the San Gabriel Valley, yet much of that aging stock still relies on original knob-only locks or lightweight single-cylinder deadbolts installed decades ago. This creates constant demand for full security upgrades, not just service calls. Locksmiths in Pomona are largely selling peace-of-mind hardware replacements to homeowners and landlords catching up on deferred security investment in a city where the risk gap with neighboring Claremont or Diamond Bar is stark and measurable.
Climate matters here, too. Pomona sits deep in the inland Pomona Valley, well beyond the coastal marine layer. Summer temperatures routinely exceed 100°F to 105°F, and that sustained heat causes wood door frames to swell and pull deadbolts out of alignment with strike plates. Every heat wave brings a reliable spike in “key won’t turn” and “bolt won’t seat” calls. The intense inland UV also degrades plastic keypads and rubber-sealed electronic lock components noticeably faster than in coastal Los Angeles communities. So a lock that has performed well in Redondo Beach may be failing in Pomona simply because of climate.
Our Main Pomona Services
Here are the two services Pomona homeowners call about most, each with its own detailed page covering local pricing, timing, and what to expect.
Residential Locksmith in Pomona
Residential locksmith work in Pomona usually means rekeying rental units between tenants on Cal Poly Pomona-adjacent multifamily stock, upgrading knob-only doors to deadbolt-grade security in Lincoln Park and the historic core, or extracting a key that has snapped inside a weathered cylinder. High rental density in Pomona means constant turnover, and landlords who defer hardware upgrades often wait until a lock actually fails before calling. We handle everything from basic pin-tumbler rekeying to high-security Schlage, Kwikset, Medeco, Yale, and Baldwin installations. Every job gets a written price before work begins, a uniformed technician sent by name and photo, and a 365-Day Done Right Promise. Learn more on our Residential Locksmith in Pomona page.

Door Lock Repair in Pomona
Door lock repair in Pomona frequently involves bolt misalignment caused by heat-swollen frames, worn mortise lock cylinders in pre-1930s bungalows, and thumb-latch failures on mid-century entry sets. We diagnose the exact failure before recommending a repair or replacement, repair original 1920s mortise sets with compatible cylinders and tailpieces, and reinforce undersized strike plates that supply little security. We keep common replacement parts in our local van stock, so many Pomona repairs are completed in a single visit. Every repair carries a full written 365-Day Done Right Promise: if the repair fails within one year, we return at no charge. For full detail, see our Door Lock Repair in Pomona page.

Change Door Locks in Pomona
Changing door locks in Pomona is rarely just a matter of swapping hardware. In older homes, the existing mortise locks or undersized door preparations often require custom strike plates or retrofit reinforcement. We assess the door, the frame, and the current lock before recommending the right hardware. If you’ve lost keys, had a tenant move out, or are concerned an old key may be floating around, a lock change is the simplest way to restore true security: we have the full Schlage, Baldwin, and Yale line in stock and can install same day. For the full walkthrough, visit Change Door Locks in Pomona.

Commercial Locksmith in Pomona
Commercial locksmithing in Pomona ranges from quick rekeys of downtown storefront deadbolts to scheduled maintenance on high-security Medeco or Schlage commercial cylinders. Many Pomona commercial clients are leaving original locks in place for years beyond their service life, creating an unnecessary risk. We work with property managers, retail shops, and building owners throughout Pomona, providing written scopes and flat per-lock pricing before work begins. All commercial jobs are surveyed and scheduled, never dispatched blindly. Read more on our Commercial Locksmith in Pomona page.

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 Pomona
We service and install Kwikset, Medeco, Yale, and Baldwin hardware, including high-security commercial cylinders from Medeco. Our local van stock carries the most common replacement components for these lines, which means many Pomona repairs are completed in one visit. For full brand coverage, see our brands.
Pricing for Locksmith in Pomona, CA
| Service | Typical range in Pomona |
|---|---|
| Rekey a standard knob lock (parts + labor) | $115 – $175 |
| Rekey a deadbolt (parts + labor) | $125 – $195 |
| Rekey a mortise lock (common in pre-1930s homes) | $135 – $215 |
| Change a standard knob lock | $145 – $215 |
| Change a deadbolt | $155 – $235 |
| Change a mortise lock (early 20th-century cylinder and trim) | $175 – $310 |
| Install a Schlage or Kwikset smart lock | $195 – $340 |
| Install a Baldwin or Yale premium lock | $225 – $395 |
| Lockout (key stuck or lost) | $75 – $175 |
| Commercial door lock repair (single door) | $155 – $280 |
| Commercial rekey (per cylinder) | $45 – $95 |
The two biggest price drivers in Pomona are heat-related frame swelling (which can turn a simple bolt adjustment into a full strike plate refit) and the high number of pre-1930s mortise sets that require specialty-compatible components. We always deliver a written price before any work begins; the price on the phone is the price on the invoice, with no call-out surcharge added on arrival.
Neighborhoods We Serve in Pomona
We serve every Pomona neighborhood, including the ones where lock problems are most common.
- Lincoln Park
- Downtown Pomona
- Phillips Ranch
- Westmont
- Ganesha Hills
Response time varies by time of day and call volume, but most Pomona jobs are reached within 30 to 45 minutes once a technician is dispatched.
Service Area – Cities Near Pomona
Beyond Pomona, we serve neighboring communities throughout the Pomona Valley and San Gabriel Valley. This includes Diamond Bar, CA to the east, Montclair, CA to the north, Chino Hills, CA to the southeast, and Claremont, CA to the north. Each city has its own dedicated page with city-specific pricing and conditions.
Serving Pomona, CA - Our Local Coverage Area
We’re based in the Pomona 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 Pomona
Most Pomona calls are reached within 30 to 45 minutes once a technician is dispatched. Response times can stretch longer during peak heat-wave periods, when frame swelling drives a citywide spike in lock failures. We answer every call live, 24/7, with a real dispatcher who can give you an immediate ETA.
No. Residential lock changes, rekeying, and deadbolt installation do not require a city permit in Pomona. Commercial properties may need signage or fire-door compliance, but standard lock hardware work is not subject to a permit. We carry everything needed to ensure code-compliant installation.
Every Dunmore Locksmith technician is sent to you by name and photo before the visit. The technician arrives in a clean, marked uniform and carries a photo ID badge. If someone arrives who you were not told to expect, that visit is covered at no charge. That is the Threshold Standard. Call us at (910) 714-4287 with any questions before or during your appointment.
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 Pomona Customers Say
"The fact that he was background checked and carried ID made me comfortable letting him into the home. Changed out two worn deadbolts for new grade 1 ones."
- Brenda Z."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.






