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 Half Moon Bay
Changing a door lock in Half Moon Bay usually costs between $95 and $220 for a standard knob or deadbolt replacement, including the new hardware, and most jobs are completed the same day we hear from you. We work across the whole coastal side of the peninsula, from the Old Town core out to the agricultural parcels along Route 1. If you’re locked out, dealing with a key that snapped off in a cylinder, or just bought a house and want fresh keys, call (910) 714-4287 and a real person answers, day or night.
Why Dunmore Locksmith Is Half Moon Bay’s Preferred Change Door Locks Company
Half Moon Bay is a place where the ocean dictates how metal behaves. A deadbolt that works flawlessly in Burlingame can seize solid here within three winters. That’s not a guess; it’s what we see on service calls every week. Homeowners here have learned to ask hard questions about finish, corrosion resistance, and whether the person coming to the door is actually the person on the phone. We answer those questions before you ask them. Every technician who drives into Half Moon Bay arrives in a marked vehicle, wearing a uniform and a photo ID badge, and we send you that technician’s name and photo before the visit. If someone shows up you weren’t told to expect, that visit is free. That’s the Threshold Standard, and it applies to every job we do in Half Moon Bay.
Perry Osgood, who leads our team, has built the business around a simple promise: the price goes in writing before any work starts, and every repair is covered by our 365-Day Done Right Promise. If a repair fails within a year, we return at no charge. No fine print. No “well, that’s normal wear.” Half Moon Bay residents tend to appreciate that kind of plain talk.
Door Lock Installation in Half Moon Bay
Door lock installation in Half Moon Bay usually means one of two things: a brand-new lock on a door that never had one, or a full replacement of hardware that has corroded past the point of repair. The first thing we check is whether the existing cylinder can be saved. In this coastal air, what looks like a dead lock is often a cylinder full of chloride corrosion that a proper marine-grade lubricant and a pin-and-spring check can resolve. If the lock genuinely needs replacing, we quote the job before we touch a screwdriver, and that quote is the price on the invoice.
Standard Deadbolt and Knob Swaps
A straightforward replacement of a single-cylinder deadbolt in Half Moon Bay typically runs $95 to $160, including the new hardware. We stock Schlage and Kwikset hardware in corrosion-resistant finishes because plain brass degrades fast here. The whole swap takes under an hour in most cases.
High-Security and Keyed-Alike Installations
When a homeowner wants stronger control, we install Medeco or Abloy cylinders, which resist both picking and the salt-air seizure that plagues cheaper locks. A high-security deadbolt installation runs $180 to $320 depending on the cylinder and finish. We can key it into an existing master system or set it to match other locks on the same property.
Patio Door Lock Change in Half Moon Bay
Patio door lock change in Half Moon Bay is one of the most common calls we get from homes along the ocean side of town, where sliding doors take direct salt-laden wind from the Pacific. The original locks are often cheap pot-metal affairs that corrode internally within a couple of seasons. The handle still moves, but the latch won’t catch, or the key won’t turn. We replace those with marine-grade hardware and get the door locking cleanly again in one visit.
Sliding Door Lock Replacement
Most sliding patio doors in Half Moon Bay homes use a simple hook latch or a mortise-style lock that has corroded to failure. A replacement lock for a sliding door runs $110 to $200 installed. We also adjust the door alignment so the new lock actually engages, which is half the battle with older sliders.
Keyed Patio Door Locks
Some homeowners want a keyed lock on a patio door that only had a thumb turn, often after a break-in or after a property sat vacant through the winter. A keyed patio door lock installation runs $130 to $240. We can key it to match the front door so one key runs the whole house.
Trusted Brands We Service in Half Moon Bay
We’re factory-authorized to install and service Schlage, Kwikset, Medeco, Abloy, Baldwin, Yale, Mul-T-Lock, and Sargent hardware. That matters in Half Moon Bay because we stock the corrosion-resistant and marine-grade versions of these brands locally, not just the standard finishes that fail fast in this air. When we rekey or replace a Kwikset deadbolt on a Main Street bungalow or a Schlage pin-and-tumbler on a rural gate off Route 1, we’re using the right parts for a salt-air environment. That’s the difference between a lock that lasts five years and one that lasts fifteen.
Common Change Door Locks Problems We See in Half Moon Bay Homes
- Seized padlocks on outbuildings and farm gates. The chloride-laden marine air gets into the shackle and cylinder and corrodes everything from the inside out. The lock body looks fine, but the key won’t turn, and the shackle won’t release. We usually open these non-destructively and replace them with marine-grade hardware.
- Deadbolts that seize on vacation homes over winter. A second home that sits empty from October to March in Half Moon Bay will often have a completely seized deadbolt by spring. The cylinder corrodes internally while the door stays shut. We see this every single year, and it’s almost always corrosion, not a broken lock.
- Patio door locks that won’t latch. Salt air eats the inexpensive zinc-alloy latches that come standard on many sliding doors. The handle turns but the door won’t stay shut. We replace the lock and align the door so it actually locks.
- Mismatched keys across a property. Rural and acreage homeowners around Half Moon Bay often have one key for the house, another for the workshop, and a third for the gate. We rekey everything to a single key or master system so the whole property runs on one key, done in one service drive.
Pricing for Change Door Locks in Half Moon Bay, CA
Here’s what you can expect to pay in Half Moon Bay for common lock changes: a standard deadbolt replacement runs $95 to $160, a knob lock replacement runs $85 to $140, a patio door lock change runs $110 to $240, and rekeying a lock runs $35 to $65 per cylinder. High-security hardware from Medeco or Abloy adds to the material cost and runs $180 to $320 per lock installed. We quote the full price on the phone before a technician is dispatched, and there’s no call-out surcharge added on arrival. The price we give you is the price you pay. Call (910) 714-4287 for a free estimate.
We Also Serve Cities Near Half Moon Bay
Our Change Door Locks team covers the whole coastal peninsula. If you’re up in El Granada, over the hill in Burlingame, down in Millbrae, or around Belmont, we handle lock changes and rekeying there too. Many of our Half Moon Bay customers are our Change Door Locks in Half Moon Bay neighbors from before they moved, and we’re glad to keep serving them.
Serving Half Moon Bay, CA - Our Local Coverage Area
We’re based in the Half Moon Bay 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 Half Moon Bay
Yes. We do this frequently for acreage and agricultural properties around Half Moon Bay. We start with non-destructive entry on the seized locks, then rekey or replace the cylinders and set every lock on the property – house, workshop, barn, gate, outbuildings – onto one key or a master key system. We budget the time to do it all in one visit so you’re not paying for multiple service drives. Call (910) 714-4287 to describe what you have and we’ll give you a written scope and a flat per-lock price.
Probably not broken. It’s corroded. Half Moon Bay’s marine layer deposits chloride onto every exterior metal surface, and when a lock sits unused through a rainy winter, the internal pins and springs seize. We see this pattern every spring when owners return. We can usually free the cylinder with proper lubrication and rekey it to fresh keys the same day. If the cylinder has corroded past saving, we’ll quote a replacement before any work. Call (910) 714-4287 for a free estimate.
Standard residential hardware fails fast here. Plain brass and zinc-alloy locks that last 15 to 20 years inland over Highway 92 routinely seize within 3 to 5 years in Half Moon Bay’s salt air. We recommend corrosion-resistant or marine-grade finishes for any exterior lock. It costs more up front, but you avoid a callback and a seized door on the one rainy night you need it to work. Call (910) 714-4287 and we’ll explain your options for your specific doors.
Yes. We rekey the patio door cylinder to match your existing front door key, or we replace the patio door lock entirely and key it alike. We do this all the time for Half Moon Bay homeowners who want one key for the whole house. The cost depends on the patio door hardware, but a typical keyed-alike patio door lock change runs $110 to $240. Call (910) 714-4287 for a precise quote.
Call us. Half Moon Bay is geographically isolated – one mountain pass on Highway 92, Highway 1 to the north and south – so you can’t quickly reach an inland locksmith in an emergency. We schedule local crews from the San Francisco Bay Area office to serve Half Moon Bay directly, and we answer the phone with a live person 24 hours a day, every day of the year. You’ll get a written price before anyone is dispatched, and the technician arrives with a name, photo, and ID badge. Call (910) 714-4287 any time.
Written by Perry Osgood, Owner at Dunmore Locksmith, serving Half Moon Bay as part of the Threshold Group family since 2007.