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 Union City
Residential locksmith work in Union City means arriving at homes that sit between two very different worlds: 1960s tract houses in Decoto with original pin-and-tumbler deadbolts, and new Transit Village condos running fob and keypad entry systems. We handle both on the same route, often in the same afternoon. If you’re locked out, need a lock change, or want to rekey after buying a home near the BART station, call (910) 714-4287 and a live person answers, any hour. We dispatch a name-and-photo-verified technician to your Union City address with the full price in writing before any work starts.
Why Dunmore Locksmith Is Union City’s Preferred Residential Locksmith Company
Union City homeowners call us because we show up prepared for what this city actually throws at a locksmith. Perry Osgood, who leads Dunmore Locksmith, built our service around one rule: you know exactly who is coming to your door before you open it. Every technician is background-checked, identity-verified, and sent to you by name and photo before the visit. They arrive in a clean marked uniform, show a photo ID badge at the door, and if anyone shows up who you were not told to expect, that visit is covered at no charge. That is the Threshold Standard, and it matters more in a city where strangers at the door are a genuine concern for families with young kids and older homeowners home alone.
We have worked on enough Union City homes to know the patterns. A deadbolt that binds in late fall near the bay side of town is usually fog moisture swelling the door frame. A 1970s Kwikset lock in Decoto that has never been rekeyed is a security gap waiting to be found. Our dispatch and scheduling run from the San Francisco Bay Area office, with crews serving Union City locally, so response times stay tight. The price is quoted on the phone before anyone is sent, and it is the price on the invoice. Every repair carries a written 365-Day Done Right Promise. If the repair fails within a year, we return at no charge.
Deadbolt Installation in Union City
Deadbolt installation in Union City usually means replacing builder-grade hardware from the 1960s through 1980s, or right-sizing a new deadbolt on a Transit Village condo where the current setup does not meet the building’s access requirements. Many Decoto-area homes still run their original early-replacement Kwikset deadbolts, and the salt-laden air pushed inland from San Francisco Bay accelerates corrosion inside those cylinders. A standard single-cylinder deadbolt installation in Union City typically runs $120 to $230 depending on the door prep and hardware grade. An ANSI Grade 1 deadbolt with hardened steel core runs higher, generally $180 to $310 installed.
What We Install and Why Grade Matters
We install Schlage, Kwikset, Medeco, and Yale hardware, and we stock common cylinders and strike plates locally so Union City jobs do not wait on parts shipped from elsewhere. Grade 1 is the commercial standard: it resists kick-in attempts and holds up against the marine-layer corrosion we see on homes west of Mission Boulevard. That corrosion is not cosmetic. It seizes pin-and-tumbler cylinders and causes deadbolts to bind against strike plates, which is why we replace the full set when we find rust inside.
Door Prep and Fit on Older Union City Frames
Many 1970s Union City door frames were cut for thinner bolts than modern deadbolts use. We bore and reinforce the frame rather than forcing a new deadbolt into an undersized pocket, because a deadbolt is only as strong as the wood behind the strike plate. If the door has swollen from fog moisture, we address the frame alignment before installing so the bolt throws cleanly through every season.
Locksmith Key Replacement in Union City
Locksmith key replacement in Union City takes two common forms: cutting new keys from an existing working key, and rekeying the lock itself so old keys stop working. A straightforward key copy from a Schlage or Kwikset blank runs $12 to $25 per key. Rekeying a standard knob or deadbolt, which changes the internal pins so any previous copies no longer turn the cylinder, typically runs $45 to $85 per lock in Union City. Homes with multiple locks get a lower per-lock rate when we rekey the whole set at once.
Rekeying After Buying or Renting in Union City
If you just closed on a house near the Decoto district or signed a lease at a Transit Village apartment, assume previous keys are floating around. Builders hand over keys that may still open the door until the lock is rekeyed, and multigenerational households often have more key copies in circulation than anyone remembers. We rekey every exterior lock to one new key and test each cylinder twice before we leave.
New Keys With Electronics Built In
Key replacement is not only about metal blanks anymore. Union City condo units around the BART station increasingly use fob or keypad access, and we program compatible smart-lock keys and cards to the existing building system. If your key is worn, cracked, or intermittently failing in an electronic cylinder, we diagnose whether the problem is the key, the cylinder, or the reader, and replace only what is actually failing.
Trusted Brands We Service in Union City
We are factory-authorized to service Schlage, Kwikset, Medeco, and Yale hardware, along with several other major lines. For Union City homeowners, that means we can get genuine cylinders, pins, and strike plates quickly and install them to manufacturer spec. A Medeco high-security key cannot be legally duplicated at a hardware store, and we handle the full chain: sourcing, cutting, and registering restricted keyways. Whether your home carries original builder-grade Kwikset from the 1970s or a modern Schlage smart deadbolt, the same name-and-photo-verified technician handles it.
Common Residential Locksmith Problems We See in Union City Homes
- The builder’s key still opens the front door. In master-planned developments and Transit Village condos, the builder hands over a key that often still works until the lock is rekeyed. We rekey every exterior lock after handover so only your household’s keys turn the cylinder.
- Deadbolts binding in late fall and winter. Fog moisture from the bay swells door frames in western Union City, and the deadbolt binds against the strike plate. We realign or replace the strike and, if the cylinder has started corroding, swap in new hardware before it fails completely.
- Salt-air corrosion in pin-and-tumbler cylinders. Homes west of Mission Boulevard get more marine air than the rest of Union City, and it eats lock internals faster. A lock that still turns but feels gritty is often near failure; we open it, clean it, and rekey or replace before the key snaps off in the cylinder.
- Fob and keypad systems that a mechanical locksmith cannot touch. Transit Village buildings run proximity-card and keypad access that traditional lock tools cannot service. We carry the programming equipment to match unit locks to the building’s existing access system, so residents use one code or fob across the lobby and their unit door.
Pricing for Residential Locksmith in Union City, CA
Here is what Union City homeowners can expect on the phone before anyone is dispatched:
| Service | Typical Union City Range |
|---|---|
| Deadbolt installation (single-cylinder) | $120 – $230 |
| Deadbolt installation (ANSI Grade 1) | $180 – $310 |
| Lock rekey (per lock, knob or deadbolt) | $45 – $85 |
| Key copy (standard Schlage/Kwikset blank) | $12 – $25 |
| Lock change (builder-grade replacement) | $95 – $180 per lock |
| Residential lockout | $75 – $160 depending on lock type |
These are honest ranges for the Union City market, not teaser rates. The full price is quoted on the phone before anyone is dispatched, and it is the price on the invoice. No call-out surcharge is added on arrival. If the job involves a Transit Village fob system or a Medeco high-security cylinder, we quote that separately before scheduling. Call (910) 714-4287 for a free estimate.
We Also Serve Cities Near Union City
Dunmore Locksmith’s Residential Locksmith team handles jobs across the East Bay, including Union City and the neighboring communities of Fremont, Newark, San Lorenzo, and Castro Valley. If you are just outside Union City and need a lock change or rekey, call us and we will confirm coverage and response time on the phone.
Serving Union City, CA - Our Local Coverage Area
We’re based in the Union City 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 Union City
The builder’s key opens your door because the lock was never rekeyed after construction, which is standard in many master-planned developments and Transit Village condos. Any subcontractor, agent, or previous owner may still hold copies. We rekey all exterior locks to one new key in a single visit, typically $45 to $85 per lock in Union City. Call (910) 714-4287 and we will confirm pricing before we send anyone.
Yes. The marine layer off San Francisco Bay pushes moist, salt-laden air into western Union City, and fog moisture swells door frames in late fall and winter, which makes the deadbolt bind against the strike plate. Salt air inside the cylinder makes the turning worse. We fix the frame alignment and replace corroded hardware; a standard deadbolt installation runs $120 to $230. Call (910) 714-4287 for an exact quote.
Yes, we can key all exterior locks alike so one key opens the front door, garage side door, and back gate, which is a common request in Union City’s multigenerational South Asian and Filipino households. If the locks are different brands, we rekey each cylinder to the same pattern, or replace mismatched hardware so everything matches. Per-lock rekeying runs $45 to $85, with a lower rate when we do the whole set. Call (910) 714-4287 and we will give you a written price before scheduling.
Builder-grade hardware usually means Kwikset or similar entry-level locks with basic pins and thin strike plates. The lock often works fine at handover, but it has never been rekeyed, and the strike plate is frequently the weakest point in the door frame. We recommend at least rekeying after handover, and upgrading to an ANSI Grade 1 deadbolt if the door faces the street or a shared corridor. We service Schlage, Kwikset, Medeco, and Yale, and we quote before any work starts.
If your Decoto home still has its original 1960s or 1970s Kwikset locks, replace them. Decades of bay-marsh air corrode the cylinders and the hardware is near the end of its life even if it still turns. If the hardware is newer and in good shape, rekeying is enough and costs $45 to $85 per lock. We will tell you which way to go after looking at the hardware, and the price is in writing before any work begins. Call (910) 714-4287 for a free estimate.
Written by Perry Osgood, Owner at Dunmore Locksmith, serving Union City homeowners under the Threshold Group since 2007.






