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 San Mateo, CA
Finding a locksmith in San Mateo usually means one of three situations: a lock has failed on a 1960s door, keys have gone missing, or you want better control over who can get into your home. We handle all three, and the work here has a specific character. San Mateo’s mix of mid-century tract homes, pre-war bungalows, and new multi-family buildings near the Caltrain station means our technicians move between pin-tumbler hardware one hour and Bluetooth-enabled access systems the next. Call us at (910) 714-4287 and a live person answers, any hour.
Why San Mateo Homes Are Different
San Mateo’s housing stock tilts heavily toward single-family homes built between the 1940s and 1960s, especially in Baywood, Beresford, and Shoreview. Those houses often still carry their original Schlage and Kwikset knob-lock sets, now 50 to 70 years old. Springs fatigue, tailpieces snap, and cylinders wear until keys stop turning. Meanwhile the older Craftsman bungalows near downtown have mortise locks that many newer technicians have never rebuilt. And the Bay Meadows development by the train station brings a different layer entirely: modern multi-family buildings with electronic access control and fob systems that need a completely separate skill set.
Climate matters here too. Shoreview and Beachpark sit close enough to the Bay that salt-laden air and persistent coastal fog corrode brass keyways and zinc lock bodies faster than you’d see in Redwood City or Palo Alto. Pins seize. Deadbolts bind. A lock that worked fine in September can refuse to turn by February. Knowing which lubricants and replacement parts hold up in marine air changes the fix we recommend.
The third wrinkle is the one we see most often in Baywood and Beresford: a single home with three generations of lock hardware. Original 1950s knobs on the side door, a 1990s big-box deadbolt on the front, and a smart lock added last year on the garage. Homeowners who work in tech often want those unified, and they expect a locksmith who can talk as comfortably about Z-wave as about pin tumblers.
Our Main San Mateo Services
The two calls we get most often are commercial buildings losing key control after employee turnover, and homeowners who bought a 1950s house and want every lock working under one key. Below are the four ways we help in San Mateo.
Residential Locksmith in San Mateo
Residential work in San Mateo usually starts with an older lock that no longer functions and ends with a decision about how much of the existing hardware is worth saving. Sometimes it is a simple rekey, which changes the internal pins so old keys no longer work. Sometimes the cylinder is too corroded from Bay air and a new Kwikset or Baldwin lock makes more sense. We carry common residential hardware in the van, and when a 1960s deadbolt has finally failed for good, we can replace it on the same visit. Full details are on our Residential Locksmith in San Mateo page.
Door Lock Repair in San Mateo
Most door lock repair calls in San Mateo involve a deadbolt that binds, a latch that will not retract, or a key that turns without engaging anything. In the older Bay-side neighborhoods, corrosion from fog and salt is the usual culprit; in the tract homes further inland, it is more often simple wear from four decades of daily use. We diagnose the cause before we replace anything, because a misaligned strike plate costs far less to fix than a new lock. For a full breakdown of what we repair, see our Door Lock Repair in San Mateo page.
Change Door Locks in San Mateo
Changing door locks in San Mateo ranges from straightforward cylinder swaps on a 1960s knob set to full hardware replacement when a new owner wants every exterior door on a single keyway. After a move, after a roommate leaves, or after keys go missing, the question is usually whether the existing hardware is worth rekeying or should be replaced outright. We quote both options in writing before we start, so you choose with real numbers in front of you. Our Change Door Locks in San Mateo page covers the process in detail.
Commercial Locksmith in San Mateo
Commercial locksmith work in San Mateo centers on key control: knowing exactly how many keys exist for a building and who holds them. That matters for the medical and professional offices near downtown, the retailers along El Camino Real, and the newer office space around Bay Meadows. We install and service commercial-grade hardware including Medeco high-security cylinders, and we schedule these jobs as surveyed site visits with a written scope and flat per-lock pricing. Details are on our Commercial Locksmith in San Mateo 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 San Mateo
We install, repair, and rekey hardware from Kwikset, Medeco, Yale, and Baldwin. We stock common residential cylinders and latch sets in the van, and for Medeco and Baldwin commercial work we order from our Bay Area supply lines with delivery usually inside two business days. See our brands for the full line.
Pricing for Locksmith in San Mateo, CA
| Service | Typical range in San Mateo |
|---|---|
| Rekey a standard knob lock | $30 – $60 per lock |
| Rekey a deadbolt | $30 – $60 per lock |
| Full home rekey (3 – 5 locks) | $120 – $240 |
| Door lock repair (sticking latch, loose handle) | $50 – $120 |
| Change a standard door lock | $80 – $200 per lock |
| Install a deadbolt | $70 – $150 per lock |
| Smart lock installation | $120 – $300 per lock |
| High-security lock installation (Medeco, Mul-T-Lock) | $150 – $500 per lock |
| Commercial rekey (per cylinder) | $25 – $45 per cylinder |
| Master key system setup | $300 – $1,200+ |
Two things push prices up in San Mateo specifically. Corroded Bay-side hardware often means replacement rather than repair, and the older mortise locks near downtown take longer to rebuild than a standard knob set. Whatever the job, the price you get from us in writing before work begins is the price on the invoice, no call-out surcharge added when the technician arrives.
Neighborhoods We Serve in San Mateo
We work throughout San Mateo, from Shoreview and Beachpark on the Bay side to the commercial corridors along El Camino Real and the residential streets of Baywood and Beresford. Our typical response time across San Mateo is 30 to 60 minutes, with slightly longer arrivals during the evening commute.
- Baywood
- Beresford
- Shoreview
- Beachpark
- Downtown San Mateo
Service Area – Cities Near San Mateo
While this page focuses on San Mateo, our technicians also serve the neighboring Peninsula cities where many San Mateo residents work and visit. If your job is just over the border, we cover Burlingame, CA, Belmont, CA, Millbrae, CA, and San Carlos, CA as part of our regular service area.
Serving San Mateo, CA - Our Local Coverage Area
We’re based in the San Mateo 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 San Mateo
Our typical response time in San Mateo is 30 to 60 minutes. That can stretch during the evening commute when 101 and El Camino Real back up, but the phone is answered by a live person around the clock and we will give you an honest arrival window when you call.
No permit is required to rekey or change locks on a residential property in San Mateo. If you are a renter, check your lease first because some agreements require notifying the landlord, and for commercial work we can flag any fire code or ADA requirements during the site visit.
No. We don’t add a separate fee just for showing up. You pay for the work itself, and the price you get in writing before the technician starts is the price you pay when the job is done. Call (910) 714-4287 for a free estimate.
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 San Mateo 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.