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 Change Door Locks Across San Bruno
Changing door locks in San Bruno usually costs between $95 and $260 per lock depending on the hardware, and most jobs are finished the same day we get the call. If you’ve lost a key, moved into a new place, or a lock has simply stopped turning in the fog-heavy air off the San Bruno Gap, we’ll send a technician you already know by name and photo before they ring the bell. Call (910) 714-4287 and a live person answers, any hour, any day.
We work the full length of San Bruno: the mid-century ranchers off San Bruno Avenue, the dense rental corridors along El Camino Real, the rebuilt streets of Crestmoor, and the hillside properties that catch wind off the Coast Range break. This city has a lock-hardware profile unlike anywhere else on the Peninsula, and we stock what actually survives here.
Why Dunmore Locksmith Is San Bruno’s Preferred Change Door Locks Company
San Bruno homeowners call us for a simple reason: the fog does real work on door hardware here, and we know exactly what fails and what to fit in its place. Our technicians carry marine-grade and stainless replacements that hold up under the salt-laden moisture that pours through the San Bruno Gap. We don’t install the same interior-grade hardware a shop in Sunnyvale might.
Every Dunmore Locksmith technician who rolls into San Bruno is background-checked, identity-verified, uniformed, and photo-badged. Before the van leaves our Bay Area dispatch, you get the technician’s name and photo sent to your phone. When they arrive, they show the ID badge at the door. If someone shows up you weren’t told to expect, that visit is covered at no charge. That’s the Threshold Standard, and it’s the whole reason Dunmore exists under the Threshold Group umbrella.
We’ve served San Bruno and the surrounding Peninsula since 2007, led by Perry Osgood. Our work is backed by the 365-Day Done Right Promise: a written guarantee on every repair, and if the repair fails within the year, we return at no charge. You’ll get your price in writing before any work begins, and that’s the exact price on the invoice.
Lock Change in San Bruno
Lock change in San Bruno means removing the existing lock mechanism and installing a complete new unit from a brand like Schlage, Kwikset, or Medeco. On this side of the Peninsula, a full lock change runs $120 – $260 per door, depending on cylinder grade and finish. We see it most often on the post-WWII tract homes built between the late 1940s and the 1960s, where original deadbolts have spent decades in the salt-fog cycle that rolls through the San Bruno Gap.
When a San Bruno Home Needs a Full Lock Change
A lock change is the right call when the existing unit is physically beyond rebuild: the cylinder housing is pitted, the internal springs have lost tension, or the tailpiece has snapped. On the older streets running west off El Camino Real, we regularly pull deadbolts where the brass has turned green-white at the edges. A rekey won’t fix corrosion that deep. A new Schlage B60N or Medeco Maxum deadbolt does.
What Gets Replaced
For a standard knob-and-deadbolt pair, we swap the deadbolt cylinder, the interior and exterior knob or lever, the strike plates, and the screws. On San Bruno’s mid-century doors, we often replace the strike with a hardened, longer-throw model and upgrade the mounting screws into the door frame. A door that’s been sitting in west-facing fog for sixty years needs harder mounting points than one in a 2013 Crestmoor rebuild.
Change Lock Cylinder in San Bruno
Change lock cylinder in San Bruno means replacing only the lock’s key-cylinder core while keeping the existing hardware body in place. The typical San Bruno cylinder swap runs $95 – $180, and it solves the most common problem we see anywhere in this city: a key that jams halfway into a corroded mid-century cylinder. You get new keys, the old ones stop working entirely, and you don’t pay for hardware you don’t need.
Signs the Cylinder Is Done
If your key inserts but won’t rotate, or it feels like you’re working against sand inside the lock, the pin-and-tumbler stack is likely fouled with brass oxide from the salt-fog air. We confirm by pulling the cylinder and inspecting under light. On San Bruno’s pre-1970 homes, this failure shows up years earlier than on identical hardware fifteen minutes inland in San Mateo. The San Bruno Gap pushes marine moisture through this city with real mechanical consequences.
Cylinder Replacement vs. Rekeying
A rekey resets the pins so old keys no longer work, but it doesn’t replace worn or corroded internal parts. If the cylinder body is sound, rekeying in San Bruno runs $55 – $120 per lock and preserves your existing hardware. If the pins, springs, or cylinder walls are compromised, a new cylinder is the honest fix and it’s our job to tell you which one you actually need.
Trusted Brands We Service in San Bruno
Dunmore Locksmith is factory-authorized to install and service Schlage, Medeco, Kwikset, and Abloy hardware, and we carry stock suited to San Bruno’s specific corrosion load. That means stainless-steel cylinder housings, marine-rated finishes, and bump-resistant ANSI Grade 1 deadbolts are on the van when we pull up, not ordered after the fact. Whether it’s a 1958 Schlage B-series on a Crestmoor ranch or a builder-grade Kwikset from a 2013 rebuild, we service it or swap it with hardware that actually holds up against Pacific fog. Perry Osgood has built our local inventory around what this city’s housing stock actually demands.
Common Change Door Locks Problems We See in San Bruno Homes
- Salt-fog seized cylinders on pre-1970 deadbolts. The San Bruno Gap funnels persistent Pacific moisture through the city year-round. On west-facing doors, the pin-and-tumbler stacks inside original brass cylinders corrode until keys jam halfway in and refuse to turn.
- Pitted strikes and corroded latch faces on mid-century El Camino Real rental stock. High-turnover units get rekeyed often, but the frames swell from decades of damp air. A corroded strike plate won’t align after a rekey, and forcing the door damages the latch.
- Builder-grade hardware on 2011 – 2015 Crestmoor rebuilds failing the coastal-air test. The homes rebuilt after the September 2010 PG&E pipeline explosion got modern locks, but zinc-plated internals and smart-lock keypad membranes pit fast in this fog. Some fail within a few winters of install.
- Lost-key emergencies where drilling is the last resort, not the first. San Bruno homeowners often assume a locked-out door means a destroyed lock. Our techs use non-destructive entry methods first, and if the cylinder is salvageable, you pay for a rekey instead of a full replacement.
Pricing for Change Door Locks in San Bruno, CA
Here’s what San Bruno homeowners actually pay, in writing, before any work begins. A standard lock cylinder change runs $95 – $180 per cylinder. A full lock change, including new hardware, runs $120 – $260 per door depending on grade and finish. Rekeying a knob or deadbolt runs $55 – $120 per lock. High-security cylinders from Medeco or Abloy, common on multi-unit El Camino Real properties and short-term rentals near SFO, run $180 – $340 per cylinder. The price we quote on the phone is the price on your invoice. No arrival upcharges, no bait-and-switch, no after-the-fact totals. Call (910) 714-4287 and we’ll give you an exact quote over the phone before anyone is dispatched.
We Also Serve Cities Near San Bruno
Our Change Door Locks team serves San Bruno and the surrounding Peninsula daily. Homeowners in Millbrae, South San Francisco, Pacifica, and Brisbane get the same Threshold Standard, the same written pricing, and the same 365-Day Done Right Promise. If you’re near the San Bruno city line and need a lock changed, call and ask; we’ll tell you straight whether we cover your block.
Serving San Bruno, CA - Our Local Coverage Area
We’re based in the San Bruno 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 Change Door Locks in San Bruno
Sticking usually means corroded pins, not an alignment problem. We’ll pull the cylinder and inspect it. If the cylinder body and springs are still sound, a rekey at $55 – $120 solves everything, and you keep your existing hardware. If the internal stack is heavily oxidized, which is common on pre-1970 San Bruno deadbolts exposed to Gap fog, a new cylinder at $95 – $180 is the right fix. Call (910) 714-4287 and we’ll diagnose it on site.
Yes, and the difference matters block by block. The older homes need hardened, stainless or marine-grade replacements because their original brass has spent decades in salt-fog. The 2011 – 2015 rebuilds often still have builder-grade locks with zinc-plated internals that pit quickly in this air, so we commonly swap in stainless-cylinder hardware even though the lock is technically newer. What works on a 1958 ranch off Crestmoor Drive is rarely the right part for the 2013 rebuild across the street.
Yes. We build master key systems on Schlage, Medeco, or Abloy cylinders for multi-unit and short-term rental properties along the El Camino Real corridor and near the airport. You get a written scope and a flat per-lock price before any work is scheduled. Our technicians are background-checked and photo-badged, and we coordinate around guest turnover windows. Call (910) 714-4287 and ask for a commercial lock change consultation.
Not usually. Drilling is the last resort, not our opening move. Our San Bruno technicians pick or use non-destructive bypsses on most residential locks first. If the cylinder is too far gone from corrosion, we may pull it non-destructively and replace it, which runs $95 – $180 for a new cylinder plus the labor. You always get the cost in writing before we touch the lock, and the phone quote is the price you pay. Call (910) 714-4287 and a live person answers now.
Yes, measurably. The San Bruno Gap is a break in the Coast Range that funnels the SFO fog layer and persistent northwest wind directly through the city. That air carries marine moisture and salt far more consistently than what reaches San Mateo or Burlingame, only a few miles inland. Brass cylinder pins, zinc-plated smart-lock internals, and steel strike plates corrode faster here. We fit stainless and marine-grade hardware specifically because this city needs it.
Written by Perry Osgood, Owner at Dunmore Locksmith, serving San Bruno and the Bay Area since 2007.