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.
Before
AfterLocksmith in San Mateo, CA
Locksmith work in San Mateo, CA runs into a specific set of conditions: mid-century homes with original hardware, a steady marine layer that corrodes outdoor locks faster than inland areas, and a mix of flat downtown blocks and steep foothill streets. We’re Ridley Locksmith & Security, part of the Garrison Partners family, operating to The Garrison Standard since 2007. Every job gets a written price before work starts and a written guarantee covering the repair for one full year. Call (956) 275-7388 and a live person answers, 24 hours a day.
Why San Mateo Homes Are Different
San Mateo’s housing stock runs from 1920s bungalows around Central and Aragon to 1950s and 60s ranch houses in Shoreview and the San Mateo Highlands, plus newer condos and townhomes near Hillsdale. That matters because older doors settle. A deadbolt that aligned perfectly when the house was built may bind its strike plate by a quarter inch today, and the answer isn’t force. It’s re-aligning or replacing the strike and, often, rekeying the cylinder so the worn key isn’t fighting the pins.
The marine layer is the quiet problem. Moist air off the bay means exterior locks on San Mateo properties seize up faster than inland jobs. Schlage and Kwikset hardware handles it better than unbranded imports, but even quality hardware needs cleaning and lubrication once a year near the bay side of town, including Baywood and Shoreview. Homes up the hill toward Laurelwood and the Highlands deal with fine dust from eucalyptus and oak that packs into keyways. We clear and re-lube rather than replace when the cylinder is still sound.
Permits don’t come up for standard rekey or hardware swaps. For commercial door hardware on new construction or tenant improvements in San Mateo, the city may require fire-rated hardware or panic hardware to match the occupancy load, and we coordinate that with the general contractor and inspection schedule. HOA rules in some San Mateo condo and townhome complexes restrict visible hardware finishes, so we carry satin nickel and aged bronze options that match original builders’ specs.
Our Main San Mateo Services
The two calls we field most from San Mateo homeowners are rekeys after a move or a change in household, and full residential lock repair or replacement on doors that won’t close right. For business properties, the work shifts to master key systems, storefront hardware, and access control. Each service has its own page with deeper detail.
Rekey Locks in San Mateo
Rekeying changes the internal pins in a lock so the old keys stop working, without replacing the hardware itself. In San Mateo, this is the standard job after buying a home, after a tenant moves out of a rental on the east side, or after a set of house keys goes missing from a gym bag or a car. Most homes need four to six cylinders matched to one key, and we do it in a single visit. The full scope and price are written down before any work begins. Learn more about Rekey Locks in San Mateo.
Residential Locksmith in San Mateo
Residential work in San Mateo spans full deadbolt replacement, striker alignment on doors that have shifted, lock repair on original mortise locks in older homes, and fresh installs on detached garages and side gates. On the older bungalows, we see original Baldwin and Yale hardware that’s worth rebuilding rather than throwing out, and we carry matching parts for both. If a repair isn’t right within a year, we return and make it right at no charge. Details are on the Residential Locksmith in San Mateo page.
Commercial Locksmith in San Mateo
Commercial jobs in San Mateo are usually surveyed and scheduled, not dispatched same-day for a surprise arrival. We scope the full door inventory, put a flat per-lock price in writing, then set a schedule. That covers master key systems for buildings near Caltrain, storefront door repairs along B Street, and high-security cylinders like Medeco for offices that need key control. If one key in a master system walks away, we rekey the affected cylinders and cut new keys without replacing every lock. The Commercial Locksmith in San Mateo page walks through the process.
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 carry and service the hardware San Mateo doors already have: Schlage and Kwikset on residential work, Baldwin and Yale on older built-ins, and Medeco and Mul-T-Lock where key control matters on commercial fronts. Our our brands page lists the full line. Common cylinders and strike parts are stocked on the truck; a special finish is usually one day out.
Pricing for Locksmith in San Mateo, CA
| Service | Typical range in San Mateo |
|---|---|
| Rekey a single lock (hardware kept) | $75 – $160 + parts |
| Rekey a home (4 – 6 locks to one key) | $240 – $550 |
| Deadbolt replacement (standard) | $95 – $160 |
| Deadbolt install on a door without one | $150 – $300 |
| Lockout / locked out service | $85 – $145 trip + $20 – $40 labor |
| High-security deadbolt install (Medeco, Mul-T-Lock) | $120 – $320 |
| Master key system (per cylinder, commercial) | $80 – $175 |
| Panic bar install | $450 – $1,000 |
| High-security cylinder | $45 – $150 |
| Door closer replacement | $190 – $360 |
The two things that push a San Mateo job toward the higher end are finish hardware on older single-family homes, where matching an original Baldwin or Yale trim means ordering from a specialty distributor, and any fire-rated or panic hardware required on commercial openings. What doesn’t push the price up is finding out once we arrive: the price on the phone is the price on the invoice, written down before work starts.
Neighborhoods We Serve in San Mateo
We serve the full city, including:
- Aragon
- Baywood
- Shoreview
- Hillsdale
- San Mateo Highlands
- Laurelwood
Response across San Mateo is usually within 30 to 45 minutes for residential calls. Hillside streets in the Highlands and Laurelwood add a few minutes; downtown and east side jobs are often faster.
Service Area – Cities Near San Mateo
San Mateo is our local service hub, and the crews also cover the surrounding Peninsula cities. That includes Burlingame, CA, Belmont, CA, Millbrae, CA, and San Carlos, CA. Scheduling and dispatch are coordinated from the brand’s San Francisco Bay Area office, and crews serve San Mateo locally.
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
Most residential calls in San Mateo are answered within 30 to 45 minutes. Downtown and east side neighborhoods are usually faster; hillside streets in the Highlands and Laurelwood add a few minutes. A live person answers the phone 24/7 so you know the dispatch time before you hang up. Call (956) 275-7388.
No. Rekeying residential locks and replacing most door hardware does not require a permit in San Mateo. Commercial door hardware on new construction or tenant improvements may need to meet fire code, and we coordinate that with the contractor and the city inspection schedule. We’ll tell you if a permit applies before any work starts.
Yes. Every job gets a written price before work begins, and that is the price on the invoice. There is no call-out surcharge added on arrival and no upsell at the door. The written guarantee covers the repair for one full year, and if the work fails inside that window, we come back at no charge. Call (956) 275-7388 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
"Replaced a broken handle set and matched the finish. No upsell."
- Leon W."Upgraded to grade 1 deadbolts and reinforced the door frames with strike plates and longer screws. Feels solid."
- Nate P."Master key system for our rental units. Clean, organized, and fairly priced."
- Bruce A.