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 Residential Locksmith Across Mountain View
Residential locksmith work in Mountain View means one thing above all: you need to know who is about to walk through your door. We get it. Dunmore Locksmith answers the phone with a live person around the clock, sends a background-checked, photo-badged technician to your Mountain View address, and puts the full price in writing before any work begins. Whether you’re locked out on Calderon Avenue, rekeying a rental on Rengstorff Avenue, or need to change door locks in Mountain View, call (910) 714-4287 and you’ll speak to a real human who can dispatch to Mountain View right away.
This is the page for Mountain View homeowners and property managers who want the specific local facts: what locks fail here, what hardware survives here, and what residential locksmith services actually cost in this city. No generic filler.
Why Dunmore Locksmith Is Mountain View’s Preferred Residential Locksmith Company
Our Residential Locksmith work in Mountain View is built on a simple premise: you should know exactly who is coming to your door before you open it. Every technician we send carries a photo ID badge, arrives in a clean marked uniform, and is sent to you by name and photo before the visit. If anyone shows up who you weren’t told to expect, that visit is covered at no charge. That’s the Threshold Standard, and it’s not negotiable.
Dunmore has been part of the Threshold Group family since 2007, and that structure matters. We’re not a dispatch call center putting a random contractor on your porch. Your job gets a named technician, a written price, and a 365-day guarantee in writing. If the repair fails, we return at no charge. Mountain View residents who call us once tend to call us again when they buy a condo, rekey a rental, or need a smart lock retrofit on an older ranch door. The name Dunmore, by the way, comes from old words for a great fort, a stronghold built to keep what’s inside safe. That’s the job.
Apartment Locksmith in Mountain View
Apartment locksmith work matters in Mountain View more than almost anywhere on the Peninsula because this city runs on tech-worker renter churn, and a Mountain View commercial locksmith who understands that cycle saves property managers both money and headaches. From late August through October, when Google and LinkedIn hiring cycles peak, property managers along Rengstorff Avenue and Middlefield Road face a wave of lease turnovers, and every turnover means at least one rekey. In Mountain View, rekeying a standard knob or deadbolt typically runs $85 – $160 per lock, with most property managers scheduling multiple units in a single visit to keep per-door cost down. We quote the full price on the phone before dispatch, and that’s the number on the invoice.
Lease-end rekey surges on Rengstorff Avenue
Experienced local techs pre-schedule these August through October accounts rather than waiting for inbound calls, because the volume is predictable and clustered unlike anywhere else on the Peninsula. One property manager called us during the lease-end crush because a North Bayshore ground-floor unit’s builder-grade Kwikset knob lock had a cylinder so salt-seized the key wouldn’t turn and the door was dragging on a corroded strike plate. We worked the cylinder with penetrating lubricant and a non-destructive entry approach, rekeyed the unit to a fresh pin and tumbler set, then swapped the pitted strike plate and exterior deadbolt for stainless hardware rated toward ANSI Grade 1 so the next tenant turnover doesn’t repeat the call.
Smart lock retrofits on mid-century apartment doors
Apartment owners in Mountain View increasingly ask for August, Schlage Encode, or Yale Assure smart locks so unit access can be managed without physical key exchanges. The catch: many mid-century apartment doors have corroded original bores or bent strikes that won’t accept a smart lock cleanly. We prep the bore, replace the strike, and in bayside units we recommend stainless or marine-grade hardware, because standard brass trim pitts and freezes under North Bayshore’s salt air.
Lost Key Replacement in Mountain View
Lost Key Replacement in Mountain View is a same-day job for us, not a week-long appointment. If you’ve lost your keys near Castro Street, Shoreline, or your Cuesta Park home, call (910) 714-4287. We’ll come to you, open the door without damaging the lock where possible, and cut and program new keys on-site. Replacing a lost key for a standard residential lock in Mountain View typically runs $95 – $180, including the service call and new key cuts. High-security keys for Medeco or Mul-T-Lock systems cost more, and we’ll tell you the exact number before any work starts.
When rekeying makes more sense than key replacement
If the lost key is unaccounted for and you don’t know who might have it, rekeying is the safer call. Rekeying, meaning changing the internal pins so your old keys no longer work, costs about the same as a handful of key copies and removes the question of who else can open your door. For Mountain View lease turnovers or a recent divorce or roommate move-out, rekeying a standard knob lock at $85 – $160 is the single most cost-effective security step you can take.
Keys lost to salt-seized hardware
In North Bayshore specifically, we see a pattern: a key sticks, the resident forces it, and the key snaps off in a cylinder already grooved by salt corrosion. The lost key replacement is straightforward. The underlying cylinder repair, replacing a corroded plug or whole deadbolt with stainless, is the part that stops the problem from repeating.
Trusted Brands We Service in Mountain View
We stock Kwikset, Medeco, and Baldwin hardware and parts for Mountain View customers, and we’re factory-authorized to install and service those lines. If you’ve got a 1960s ranch door in Waverly Park still holding its original Kwikset knob lock, we can rekey it, repair it, or upgrade it to a Baldwin or Medeco high-security deadbolt that actually fits the era of the house. For bayside addresses where salt air eats standard brass, we keep stainless cylinders and marine-grade strike plates on the truck. Most common residential lock jobs in Mountain View are completed same day because the parts are local, not ordered from a warehouse in another state.
Common Residential Locksmith Problems We See in Mountain View Homes
- Salt-seized deadbolt cylinders in North Bayshore. Tule fog and bay salt air sit on door hardware for weeks at a time, and exposed cylinders corrode fast enough that pins seize and keys bind. We use non-destructive entry techniques and switch affected bayside properties to stainless or marine-grade hardware that actually survives this microclimate.
- Worn builder-grade knob locks in Rex Manor and Waverly Park. These 1950s through 1970s ranch homes mostly still carry original Kwikset or Schlage knobs. The pin and tumbler stacks have been rekeyed so many times they stop holding reliably. We replace or retrofit them with fresh cylinders or deadbolts rated for daily use.
- Smart lock installs that fail on corroded bores. Tech-savvy Mountain View residents ask for August, Schlage Encode, and Yale Assure installs plenty. When the original door bore is corroded or the strike is bent, the smart lock won’t sit square. We prep the bore and strike first, then install.
- Door misalignment from aging wood frames. Sixty-year-old doors in Cuesta Park and Rex Manor settle. Strikes shift, deadbolts no longer throw cleanly, and keys start jamming. It’s often a strike plate adjustment or replacement, not a full lock change, and we’ll tell you which one you actually need.
Pricing for Residential Locksmith in Mountain View, CA
Here’s what Mountain View homeowners actually pay. Rekeying a standard knob or deadbolt runs $85 – $160 per lock. New deadbolt installation runs $145 – $280 depending on the grade, with ANSI Grade 1 stainless deadbolts on the higher end. Residential lockout service runs $95 – $180, including the service call. Smart lock installation runs $180 – $350, including bore prep and strike alignment. Door reinforcement, including a heavy-duty strike plate and longer screws into the frame, runs $75 – $150 per door. Window lock replacement is $45 – $95 per lock, and replacing a full knob and deadbolt set runs $200 – $400. We quote the full price on the phone before dispatch. That price is the price on the invoice, and there is no call-out surcharge added when the technician arrives.
We Also Serve Cities Near Mountain View
Dunmore Locksmith crews work throughout the South Bay and Peninsula, including Residential Locksmith in Mountain View and the surrounding communities. If you’re in Los Altos, Sunnyvale, Stanford, or Cupertino, the same background-checked technicians and written pricing apply. Call (910) 714-4287 and we’ll send someone who knows the area, not a contractor driving in from across the Bay.
Serving Mountain View, CA - Our Local Coverage Area
We’re based in the Mountain View 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 Residential Locksmith in Mountain View
North Bayshore sits close enough to the bay that tule fog and salt-laden air settle on exposed hardware for extended stretches. Deadbolt cylinders and strike plates corrode, pins bind, and keys stop turning years sooner than the identical lock would in Cuesta Park or Rex Manor, which sit just a few miles east in drier air. We stock stainless and marine-grade hardware for bayside addresses for exactly this reason. Call (910) 714-4287 for a free estimate on corrosion-resistant lock replacement.
Yes. We pre-schedule these accounts in advance because the lease-end cycle tied to Google and LinkedIn hiring seasons is predictable and clustered. We can rekey multiple units in a single visit, provide per-lock pricing so property managers can budget the turnover, and document every key change for your records. Call (910) 714-4287 to set up a recurring pre-schedule.
Yes, and we do it regularly. The most common reason smart lock installs fail on mid-century ranch doors is a corroded original bore or a bent strike that won’t accept the new hardware cleanly. We prep the bore, realign or replace the strike, and then install the smart lock so it throws square and connects properly. Price is quoted in writing before we start. Call (910) 714-4287.
Rarely. We use non-destructive entry first, including bypass techniques and probing methods that get you back inside without destroying the hardware. Drilling is a last resort, and we’ll always tell you before we do it. Most Mountain View lockouts are resolved without replacing anything. Call (910) 714-4287 and we’ll get you back in.
Depends on the condition of the cylinder. If the pin and tumbler stack has been rekeyed so many times it no longer holds reliably, rekeying buys you little, and a replacement lock rated higher is the better use of money. If the lock is mechanically sound, rekeying at $85 – $160 per lock is a cost-effective security step. A technician will assess it on site and tell you honestly which one you need. Call (910) 714-4287 for an exact quote before any work starts.
Written by Perry Osgood, Owner at Dunmore Locksmith, serving Mountain View since 2007.






