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 East Palo Alto
Changing door locks in East Palo Alto costs between $95 and $260 for most residential jobs, depending on whether you’re rekeying existing hardware or replacing it outright. We dispatch to East Palo Alto from our San Francisco Bay Area office and typically arrive same day for lock changes in the Weeks, Gardens, and Woodland neighborhoods. Call (910) 714-4287 and you’ll speak to a live person who can quote the job before anyone gets in a truck. That price goes in writing before work starts, and it’s the price on your invoice.
East Palo Alto homes demand a different approach than the rest of the Peninsula. The housing stock here dates mostly to the 1950s through early 1970s, and we know those doors – thin hollow-core slabs, undersized bores, builder-grade Kwikset knobs. We also know what the bay-side air does to lock cylinders east of Highway 101. Our Change Door Locks team solves the real problem: a lock that fits the door you actually have, not the door a brochure assumes you have.
Why Dunmore Locksmith Is East Palo Alto’s Preferred Change Door Locks Company
Dunmore Locksmith has served East Palo Alto as part of the Threshold Group family of independent local locksmith businesses since 2007. The name comes from old words for a great fort – a stronghold built to keep what’s inside safe. That’s the standard we hold every East Palo Alto job to: verified people, written prices, and a guarantee stamped on the work.
Every technician we send into East Palo Alto follows the Threshold Standard. They’re background-checked and identity-verified. You get their name and photo before the visit. When they arrive at your door in the Gardens or off University Avenue, they’ll be in a clean marked uniform with a photo ID badge. If anyone shows up who you weren’t told to expect, that visit is covered at no charge. That’s not a marketing line. It’s our operating rule.
Our phones are answered by a real person 24 hours a day, every day of the year. No voicemail tree, no chatbot. If you’re locked out on Pulgas Avenue at 2 a.m. or want a rekey scheduled on a Tuesday morning, a human picks up.
Dunmore is led by Perry Osgood, who has built the company around a simple premise: you should know exactly who is coming to your door before you open it. That premise is why East Palo Alto homeowners and landlords call us when a lock change is more than a hardware swap – when it’s a decision about who gets a key to your house.
Patio Door Lock Change in East Palo Alto
Patio Door Lock Change in East Palo Alto typically runs $120 to $220, and the job usually means replacing the surface-mounted handle assembly or the mortise-style latch inside a sliding glass door. Many East Palo Alto homes built in the 1960s and early 1970s still have the original aluminum-frame sliders, and those frames were never designed for modern locking hardware. The latch channels corrode faster here because of the marine layer that sits over the Baylands, especially in homes east of Highway 101.
Sometimes the old patio lock can be rekeyed if the cylinder is standard. Most of the time it can’t, because the housing is worn thin and the hook latch no longer seats. We’ll tell you which one applies to your door before quoting a dollar figure.
Sliding Door Security Upgrades
A patio lock change in East Palo Alto often signals a bigger need – an auxiliary foot bolt or a pin-lock that stops the door from being lifted out of its track. We install these alongside replacement locks on almost every slider we touch here, because the original aluminum frames flex and leave a gap at the top rail. A child or a burglar can exploit that gap on a 60-year-old door in minutes.
Replacing Corroded Patio Hardware
Bay-side salt-laden air gets into the latch channel and eats the springs. If your patio door handle sticks or the key won’t turn without jiggling, the cylinder has likely started to seize. We carry replacement handle sets and latch assemblies for the common door profiles used in East Palo Alto’s building era, so we don’t have to run parts from a distant warehouse.
Door Lock Change in East Palo Alto
Door Lock Change in East Palo Alto costs between $95 and $260 for a standard knob or deadbolt replacement, plus labor if door prep is required. We price the job honestly, because many East Palo Alto doors from the 1950s and 1960s will not accept a modern lock without boring a larger hole or squaring a warped edge. Our East Palo Alto customers hear that reality on the phone, not after the door’s been pulled apart.
We change doorknobs, deadbolts, handle sets, and mortise locks. We also rekey locks when the existing hardware is worth keeping – a question we answer based on the door’s condition, not a script.
When Rekeying Makes More Sense
If your current deadbolt is a solid piece in good working order, rekeying changes the internal pins so your old keys stop working. It costs less than a full replacement, usually $65 to $110 per cylinder in East Palo Alto. We rekey Schlage and Kwikset cylinders on site, and the job is done in about 20 minutes.
When the Whole Lock Needs Replacing
If the bolt wobbles, the keyway is worn, the housing is cracked, or the cylinder shows corrosion from bay moisture, replacing the lock is the right call. We stock new deadbolts and handle sets for East Palo Alto jobs, including reinforced strike plates that hold better than the thin original plates on 1960s hollow-core doors.
Trusted Brands We Service in East Palo Alto
We’re factory-authorized to install and service Schlage, Kwikset, and Medeco hardware, and we match the brand to the job. Most East Palo Alto homes have builder-grade Kwikset knobs on thin doors, so a straight swap to a Schlage deadbolt often means enlarging the bore and reinforcing the strike. Medeco high-security cylinders go into East Palo Alto rental doors where a landlord has had a key-control problem. We carry the common cylinders and tailpieces for these brands on our trucks, so a lock change here doesn’t stall waiting on a parts run across the Bay.
Common Change Door Locks Problems We See in East Palo Alto Homes
- Smart lock retrofits on warped 1960s doors. A Schlage Encode or Yale Assure won’t seat cleanly if the original door slab has bowed past the backset tolerance. We see this on rental flips throughout the Gardens and off Bay Road, where a quoted “simple install” turns into door prep before the lock can throw.
- Marine-layer corrosion east of Highway 101. Salt-laden fog from the Baylands sits on exterior lock cylinders and gate hardware well into summer mornings. A key that turns stiff in February may be flat-out seized by August, and the fix is a cylinder replacement, not a rekey.
- Thin original deadbolts on hollow-core doors. Builders in East Palo Alto’s construction era used light-gauge strikes screwed into door frames with short screws. A deadbolt that extends cleanly still fails to hold if the strike plate pulls out under a kick.
- Landlord rekeys that don’t actually secure the unit. A post-tenancy rekey on a worn builder-grade deadbolt saves money on paper but leaves the next tenant with hardware that’s already failing. We tell landlords when the money is better spent on a replacement that survives the next turnover.
Pricing for Change Door Locks in East Palo Alto, CA
Here’s what you should expect to pay in East Palo Alto for a standard residential lock change:
- Rekey a standard knob or deadbolt cylinder: $65 – $110
- Replace a basic knob lock: $95 – $150
- Replace a deadbolt, including standard strike plate: $120 – $180
- Replace a patio door handle set and latch: $120 – $220
- Door prep for a smart lock retrofit (boring, squaring, strike reinforcement): $75 – $140
- Heavy-duty strike plate installation: $40 – $90
We quote the full price on the phone before a technician is dispatched. That means the hardware, the labor, and any door prep are all in the written price. No call-out surcharge added on arrival, no after-the-fact line items. East Palo Alto’s older doors sometimes need extra work, and that work is part of the honest quote, not a surprise.
We Also Serve Cities Near East Palo Alto
Dunmore Locksmith handles lock changes throughout the Peninsula and beyond, including Los Angeles, San Diego, San Jose, and San Francisco. If you manage rentals in multiple cities or need a lock changed at a property you own outside East Palo Alto, one call covers the whole job. The same written pricing and 365-Day Done Right Promise apply wherever we dispatch.
Serving East Palo Alto, CA - Our Local Coverage Area
We’re based in the East Palo Alto 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 East Palo Alto
Yes, if the cylinder and housing are in good shape. Rekeying in East Palo Alto runs $65 to $110 per cylinder, and it changes the internal pins so old keys stop working. If the deadbolt wobbles, the keyway is worn, or the hardware shows corrosion from bay moisture, we’ll tell you the lock is too far gone to rekey and recommend a replacement. Call (910) 714-4287 and describe the lock – we’ll tell you which path applies before dispatching anyone.
Because the original door slab is often warped beyond the smart lock’s backset tolerance, and the bore holes are undersized. Doors from East Palo Alto’s 1950s-through-1970s housing stock were built for thin knobs and original deadbolts, not modern keypad hardware. We door-prep the slab, square the edge, and enlarge the bore before fitting the smart lock. Skipping that step means a lock that binds, throws halfway, or fails to seat.
Usually both. East Palo Alto’s marine layer, stronger east of Highway 101 near the Baylands, deposits salt-laden moisture on exterior cylinders. The springs inside the lock corrode, the keyway gets gritty, and eventually the cylinder seizes. A rekey won’t fix corrosion. The cylinder must be replaced. If the key turns but the bolt is slow to throw, the lock body itself is failing. We diagnose this on site and show you the worn part before replacing anything.
Yes, on almost every East Palo Alto door built before 1980. The original strike plates were thin, screwed with short hardware into soft door frames. A heavy-gauge strike plate with 3-inch screws that bite into the stud behind the frame changes the physics of a forced entry. We stock these plates on every truck and install them as part of lock replacements here. Expect to add $40 to $90 depending on the door.
Yes. If you’re locked out mid-project or before the new locks are in, we open the door without drilling whenever possible. That means picking the cylinder or using a bypass tool, not destroying your hardware. Perry Osgood, our owner, trains every technician on non-destructive entry first. If a lock is unpickable due to corrosion or damage, we’ll tell you before resorting to a drill. Call (910) 714-4287 and a live person will dispatch the nearest technician.
Call (910) 714-4287 for a free estimate on any door lock change in East Palo Alto. You’ll get a written price before work starts, a named technician with a photo before arrival, and a 365-Day Done Right Promise on the job.
Written by Perry Osgood, Owner at Dunmore Locksmith, serving East Palo Alto since 2007.






