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 Alameda
Changing door locks in Alameda usually costs between $95 and $240 for a standard deadbolt or knob lock replacement, and most jobs are completed the same day we take your call. If you’ve just moved into a Victorian near Webster Street, had keys go missing somewhere around Park Street, or split up with someone who still has a key, the immediate question is how soon the locks change and what the actual price will be. Our technicians know Alameda’s older buildings well, from Gold Coast Victorians to West End bungalows, and we bring the right parts the first time. Call (910) 714-4287 and a live person answers, day or night.
Why Dunmore Locksmith Is Alameda’s Preferred Change Door Locks Company
Alameda homeowners call us for a specific reason: we tell you who’s coming before they arrive. Every technician is background-checked and identity-verified under the Threshold Standard, and we send you their name and photo before the appointment. When they ring the bell, they wear a clean marked uniform and show a photo ID badge. No guesses, no surprise faces at the door.
Response time matters here more than most Bay Area cities. Alameda is an actual island, and every approach funnels through the Posey Tube, Webster Street Tube, or one of the bridges. A crew coming from Oakland can sit in that same bottleneck you do every evening. We schedule Alameda jobs with that geography in mind, often pairing your call with a technician already on the island. That’s a real advantage when you’re standing outside a locked door at 11 p.m.
Perry Osgood, our lead on this side of the Bay, has walked countless Alameda doorways built before 1930. He can tell you in the first five minutes whether your lock needs replacing or just a rekey. That candor is why people recommend us to neighbors on Fernside and Bay Farm Island.
Patio Door Lock Change in Alameda
Patio door lock change in Alameda is a job we handle regularly on houses where the back door opens onto a porch facing the bay breeze. These locks get the worst of the salt-laden marine air, and the latch or cylinder often corrodes faster than any other hardware on the house. A typical patio door lock change here runs $110 to $190, depending on whether the door uses a simple sliding-door hook latch or a mortise-style handle assembly. If the frame itself is solid and only the lock has failed, replacement is straightforward. If the original door has settled, we address the alignment so the new lock actually catches.
Sliding Door Hardware We Stock Locally
We keep common Alameda patio door latch types on the truck, including surface-mount and flush-mount styles matching older Andersen, Pella, and Marvin units still common in Gold Coast and East End homes. That means fewer second trips across the estuary. The full price goes in writing before we start.
When Replacement Beats Repair
Some West End patio doors are original to 1920s additions that were never updated to modern hole spacing. If the existing hardware is corroded beyond service and a replacement must be carefully retrofitted into a non-standard bore, expect the upper end of the range. We’ll show you the worn parts before we swap them.
Door Lock Change in Alameda
Door lock change in Alameda on a typical front door runs $95 to $160 for a standard deadbolt or single-cylinder knob replacement, including install and testing. On Victorian and Craftsman doors with original mortise locksets, a true lock change is a more involved job that can run $180 to $240, because the lock body sits inside the door rather than in a simple round bore through it. We remove the old mortise case, match the existing backset and faceplate dimensions, and fit hardware that preserves the look of the original entry. The written price reflects the actual work, not a bait number you’ll hear at the door.
Standard Deadbolt Replacements
For doors built after about 1960, this is a clean swap. We bore to spec if needed, install the deadbolt at the right height so the strike plate aligns, and hand you both keys. Schlage and Kwikset hardware are the most common requests, and we carry both.
Mortise Locks on Older Alameda Doors
Your 1910 Victorian usually doesn’t want a standard deadbolt. The original mortise lock sits in a deep rectangular pocket with a brass faceplate and a box strike, often with a skeleton-key cylinder. We can either rekey that cylinder or retrofit a modern deadbolt above it without destroying the frame. We never cut a bigger hole in a historic door when a smaller fix does the job.
Trusted Brands We Service in Alameda
We service and install Schlage, Kwikset, Yale, and Medeco hardware across Alameda, and we carry the common cylinders, tailpieces, and strike plates for these brands on our service vehicles. If your home uses an older Baldwin mortise set or a Medeco high-security cylinder in a converted Alameda Point unit, we order factory-authorized components and return to finish the job. Dunmore Locksmith is factory-authorized on the industry’s most trusted residential and commercial lines, which means the warranty is honored by the manufacturer, not just by us.
Common Change Door Locks Problems We See in Alameda Homes
- Salt-air seizures on west-facing locks. Homes closer to the open water, especially on Bay Farm Island and the West End near Crown Beach, show faster corrosion on cylinders and strike plates. The key stops turning and homeowners assume the lock is dead; often a graphite-free cleaning and fresh pins solve it.
- Non-standard backsets on original doors. Victorians and Colonial Revivals didn’t follow modern 2⅜-inch or 2¾-inch backset conventions. A store-bought deadbolt won’t line up with the old mortise lock face or box strike without careful adaptation.
- Warped wooden entry doors. Alameda’s damp marine air causes original wood doors to swell and shift. A perfectly good lock suddenly won’t throw the bolt because the door has moved against the jamb. We check the door fit before condemning the hardware.
- Legacy Navy-era hardware at Alameda Point. Converted buildings near the old Naval Air Station sometimes have commercial institutional locksets still in place. Beyond the visible deadbolt, the internal hardwalls and master keying are not residential work, and fixing them properly requires commercial locksmith knowledge.
Pricing for Change Door Locks in Alameda, CA
Here’s what we charge in Alameda right now. A standard deadbolt replacement runs $95 to $160. Rekeying a single knob or deadbolt runs $65 to $115. Patio door lock change runs $110 to $190. A mortise lock cylinder rekey or replacement on an older Victorian or Craftsman door runs $120 to $220. Commercial or Alameda Point institutional hardware is quoted after an on-site survey, and that scope is delivered in writing before any work proceeds. We don’t add a call-out surcharge when we arrive. The phone quote is the invoice price, and if a repair fails within 365 days we return at no charge under the Done Right Promise. Call (910) 714-4287 for your exact price.
We Also Serve Cities Near Alameda
Beyond Alameda, our Change Door Locks team takes calls in Oakland, Piedmont, Emeryville, and Berkeley. If you live just off the island but work or manage property in Alameda, we can often combine trips when scheduling allows. Same written pricing, same named technician sent to you before arrival.
Serving Alameda, CA - Our Local Coverage Area
We’re based in the Alameda 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 Alameda
No. In most cases we can remove the mortise lock cylinder, decode the existing key, and re-pin the cylinder so your old keys stop working while the original lock body stays in the door. This preserves the period hardware, keeps Alameda’s preservation-minded look intact, and costs less than a full replacement. Replacement is only necessary when the internal lock case is cracked or the bolt itself has failed.
Salt-laden air from San Francisco Bay corrodes the cylinder and internal pins, especially on the north and west sides of the island near the open water. The key goes in but won’t turn, or turns with increasing resistance. Alameda Door Lock Repair includes cleaning the cylinder without graphite, replacing worn springs, and adding fresh pins to restore normal movement. We can also add a weather guard to slow future corrosion. Call (910) 714-4287 and we’ll diagnose it on the spot.
Usually yes, but it almost always requires careful prep work. The existing mortise lock face and box strike likely don’t match the smart lock’s backset or screw pattern. We adapt the installation without gouging the original frame, then test the deadbolt throw with the door both closed and slightly ajar. The salt-air environment also means we recommend models with sealed keypads and weather-resistant finishes for west-facing entries.
Rekeying changes the internal pins so a new key is required, while the existing lock body stays in place. Changing a door lock means replacing the hardware entirely. In Alameda’s older housing stock, rekeying is often the better choice because the original mortise lockset may be a century old and still perfectly strong. We’ll tell you honestly which one applies to your door, because the right answer saves you money and preserves your home’s original character.
Alameda Point’s converted Navy buildings often have legacy institutional locksets that were high-security commercial hardware long before anyone thought about keypad deadbolts. A Residential Locksmith in Alameda who only knows cylindrical locks will misjudge the keyway, the master keying, or the backset. Our crew pulls the mortise cylinder, checks the key control plan, and works with the building’s actual hardware rather than fighting it. That’s the difference between a job that works for years and one that fails in a month.
Written by Perry Osgood, Owner at Dunmore Locksmith, serving Change Door Locks in Alameda and nearby Bay Area communities as part of the Threshold Group.






