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 Crockett
Changing door locks in Crockett usually costs between $95 and $240 for standard hardware, and a technician can typically reach most Crockett streets within 45 to 60 minutes. That’s the short answer. The longer answer matters more here than in most Contra Costa towns, because Crockett’s housing stock is genuinely different. The early-1900s worker cottages built for C&H Sugar refinery employees carry original mortise hardware that most suburban locksmiths rarely touch anymore. We work on those locks every week. Call (910) 714-4287 and you’ll talk to a live person who can tell you exactly what your job will cost before anyone gets in a van.
Why Dunmore Locksmith Is Crockett’s Preferred Change Door Locks Company
We are part of the Threshold Group, which has served customers since 2007 under one operating rule: you should know exactly who is coming to your door before you open it. Every Dunmore technician is background-checked, identity-verified, and sent to you by name and photo before the visit. When the technician arrives in Crockett, they carry a photo ID badge and will show it at the door before stepping inside. If anyone shows up who you were not told to expect, that visit is covered at no charge. That is the Threshold Standard, and we do not waive it for any job, big or small.
Crockett homeowners repeatedly tell us the same thing: they want a locksmith who actually knows what a 1920s mortise lock is. We do. Our crews work regularly on the hillside streets above the Carquinez Strait, where fog-swollen door frames and salt-corroded cylinders are the norm, not the exception. The dispatcher who answers at (910) 714-4287 knows Crockett by name, from Pomona Street down to the waterfront flats near the C&H refinery gates. We’re not a call center reading from a script. We schedule real crews who drive real vans into Crockett every day.
Door Lock Change in Crockett
Door Lock Change in Crockett means removing the existing lock body from the door and installing new hardware, rather than reworking the internal pins of the old lock. On a standard modern deadbolt or knob lock, a Dunmore technician can complete a door lock change in under an hour. But on a Crockett cottage with original mortise hardware, a straight swap is rarely that simple. The old mortise lock body sits in a rectangular pocket cut into the door edge, and modern cylindrical deadbolts do not fit that pocket without modification. We have done enough Crockett jobs to know when a mortise body can accept a modern conversion plate, and when the better move is keeping the original lock and rekeying it instead.
Hardware replacement with honest advice
A door lock change in Crockett typically runs $110 to $240 including the new hardware, depending on the lock type and finish. We quote the full price in writing before any work begins. If the new lock fails within 365 days, we return at no charge under the Done Right Promise. That guarantee is written on every job, not implied.
When to change rather than rekey
If the lock body itself is cracked, the bolt is bent from someone forcing the door, or the keyway is too worn to accept a new key reliably, replacement is the right call. On Crockett’s hillside streets, we also see doors where the existing mortise body has corroded so badly from Carquinez Strait salt air that the internal springs have failed. Lubrication cannot fix a broken spring. In those cases, changing the lock is the only honest recommendation, and we’ll tell you that plainly.
Lock Change in Crockett
Lock Change in Crockett is the broader service call most homeowners make: they want the lock they currently have to stop working for whoever might have an old key. That can mean rekeying, which changes the internal pins so old keys no longer turn, or full replacement of the lock set. On Crockett’s C&H-era bungalows, rekeying an original mortise cylinder is often possible and costs less than replacement, usually $65 to $120 per lock cylinder. We will only recommend replacement when the hardware itself cannot be made reliable again.
Rekey after move-in or tenant change
Most Crockett lock change calls come after a home sale, a roommate moves out, or a rental turns over near the waterfront. Rekeying is faster and cheaper than replacing, and it restores full security by invalidating every previous key. We carry specialty blanks for older mortise cylinders that big-box stores do not stock.
Full replacement when rekeying is not enough
A full lock change in Crockett typically runs $110 to $220 per door for standard residential hardware, including installation. If your existing hardware is a Baldwin, Schlage, or Medeco high-security set, replacement costs run toward the upper end, and we will give you the exact figure in writing before the work starts. No after-the-fact totals, ever.
Trusted Brands We Service in Crockett
Dunmore Locksmith is factory-authorized on Schlage, Medeco, Kwikset, Abloy, Baldwin, Mul-T-Lock, Sargent, and Yale hardware. For Crockett’s older doors, we keep common Schlage and Kwikset deadbolts and entry sets on the van, along with the mortise cylinders and specialty blanks that are hard to find elsewhere in west Contra Costa. If you have a Medeco or Abloy high-security lock on a hillside property, we can service or replace it without sending you back to the dealer. Crockett jobs rarely require a second trip for parts.
Common Change Door Locks Problems We See in Crockett Homes
- Salt-seized mortise cylinders. The daily marine air off the Carquinez Strait carries salt and moisture that works into original mortise lock bodies on C&H-era cottages. Keys get hard to insert, then impossible to turn without disassembly and cleaning.
- Racked door frames on hillside streets. Fog and damp swell the original wooden doors and frames, throwing the deadbolt out of line with the strike plate so it binds or will not throw fully. Sometimes the lock itself is fine, and the door frame needs planing first.
- Non-standard door prep dimensions. Early-1900s worker cottages were not built for modern ANSI-standard deadbolts. A new lock from a hardware store often will not line up with the existing mortise cutout, and forcing it in damages the door edge.
- Corroded strike plates and screws. Salt air rusts the metal plates and fasteners on exterior doors, loosening them so the bolt no longer seats securely. We replace strike plates and use corrosion-resistant fasteners on Crockett exterior doors.
Pricing for Change Door Locks in Crockett, CA
A standard rekey of one lock in Crockett runs $65 to $120. A full door lock change with new hardware runs $110 to $240, depending on the lock grade and finish. Mortise lock work on older homes falls in that same range but often requires more labor, and we will tell you the exact number before starting. The price we quote on the phone or in writing is the price on the invoice. There is no call-out surcharge added when the technician arrives, and no bait-and-switch estimate. Call (910) 714-4287 and describe your door and lock over the phone. We will quote the job accurately and hold that price. Estimates are free.
We Also Serve Cities Near Crockett
Our crews cover Crockett daily and also serve Crockett-area homeowners in Rodeo, Benicia, Hercules, and Pinole. If you’re just over the city line in any of those towns, the same pricing, the same written guarantee, and the same named-and-photoed technicians apply. Call (910) 714-4287 and tell us which town you’re in; dispatch will route the nearest available technician to you.
Serving Crockett, CA - Our Local Coverage Area
We’re based in the Crockett 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 Crockett
In most cases, yes, we can rekey the original mortise lock, provided the internal mechanism is still intact. We disassemble the cylinder, clean out the salt corrosion, replace the pins, and cut new keys. Rekeying typically costs $65 to $120 per cylinder. If the springs inside the mortise body have failed or the keyway is worn beyond reliability, we will tell you honestly and recommend replacement instead. Call (910) 714-4287 and describe your lock; we’ll tell you which path applies before scheduling anything.
Because the door frame has almost certainly shifted. Decades of fog, damp, and the natural slope of hillside lots in Crockett cause the original wood door frames to swell and rack, which pulls the deadbolt out of alignment with the strike plate. The lock itself may be perfectly functional. We plane or adjust the frame, realign the strike plate, and the bolt throws cleanly again. This is the most common Crockett service call we get, and it usually costs between $95 and $180 including the frame adjustment.
For Crockett’s early-1900s doors, we most often recommend Schlage deadbolts with adjustable strike plates, or Kwikset units with a similar range of adjustment. Both allow us to compensate for slightly misaligned frames without cutting new mortise pockets. If you want high-security hardware on a Crockett home, Medeco and Abloy cylinders are excellent choices, but they require precise door prep. We will measure your existing prep and tell you which brands will fit before you buy anything. Call (910) 714-4287 for a free hardware consultation over the phone.
Unless the lock is already damaged beyond use or the key is broken off inside the cylinder, we use non-destructive methods. That means we pick or shim the lock open, remove it intact, and either rekey or replace it without drilling. Drilling is a last resort. Most Crockett door lock changes and rekeys are completed with zero damage to the door or the surrounding hardware. We will always tell you before doing anything that modifies your door.
If the cylinder is corroded but the internal mechanism still functions after cleaning, a rekey is enough, and that runs $65 to $120. If the corrosion has eaten into the keyway or seized the internal springs, the cylinder is done, and you need a new lock. On Crockett exterior doors, we often see the cylinder salvageable but the strike plate and screws rusted solid, which is a separate fix. We will show you the condition of the parts before recommending anything, and the written quote covers exactly what we found. Call (910) 714-4287 to schedule, and we’ll give you the price before the technician leaves the van.
Written by Perry Osgood, Owner at Dunmore Locksmith, serving Crockett and the west Contra Costa shoreline since 2007.