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 San Ramon
If you need a residential locksmith in San Ramon, you’re probably dealing with one of three things: a lockout, a lock that won’t turn, or hardware you want upgraded before it fails. A standard rekey in San Ramon runs $95 to $160, a deadbolt installation typically lands between $180 and $320, and a smart lock retrofit with labor costs $250 to $450 depending on the door prep. We’ve been serving San Ramon homeowners since 2007 through Threshold Group, and our techs know the tract-home hardware in Dougherty Valley, Gale Ranch, and Bollinger Hills better than anyone. Call (910) 714-4287 and a live person answers, any hour.
Most San Ramon calls we take aren’t dramatic break-ins. They’re quiet security gaps: the front door still turns with the builder’s key, the deadbolt sticks every August, or the neighbor just mentioned they have the same Kwikset cylinder. That’s where we come in.
Why Dunmore Locksmith Is San Ramon’s Preferred Residential Locksmith Company
San Ramon neighborhoods like Crow Canyon and Dougherty Valley were built in waves between 1985 and 2010, mostly by Shapell and Windemere. Those builders installed the same Kwikset SmartKey deadbolts and Schlage Grade 2 knobs across entire streets. That uniformity means two things. First, rekeying a San Ramon home is precise work – the SmartKey cylinder needs its specific re-keying tool, not a standard pin-and-tumbler kit. Second, when one neighbor upgrades, the word moves fast through HOA channels and community Facebook groups. We’ve rekeyed entire cul-de-sacs off Bollinger Canyon Road in a single day because one homeowner booked us and the neighbors saw the van.
Our Residential Locksmith team sends every technician to San Ramon with a name and photo sent to your phone before the visit. The tech arrives in a marked uniform with a photo ID badge shown at the door. That’s the Threshold Standard, and it applies to every job we do in San Ramon without exception. Perry Osgood, who runs our team, set that standard because he knows the moment you open your door to a locksmith is the moment you need proof of who’s standing there.
We don’t run “from $19” teaser pricing. The price we quote on the phone is the price on your invoice, and it’s delivered in writing before any work starts. Every repair carries our 365-Day Done Right Promise: if the repair fails within a year, we return at no charge.
Lost Key Replacement in San Ramon
Lost key replacement in San Ramon usually means one of two jobs: cutting a new key from an existing copy, or rekeying the lock entirely so the missing key no longer works. Here’s the part most people don’t realize until it’s too late: if you bought a Dougherty Valley or Gale Ranch home and never rekeyed after closing, the builder’s key may still open your door. Contractors, subcontractors, and the previous owner’s house sitter could all have copies. A full rekey in San Ramon costs $95 to $160 for standard knobs and deadbolts. If you’ve lost all copies of a key, we cut a new one on-site and can rekey in the same visit.
Rekeying After a Lost Key
When a key goes missing in San Ramon, cutting a duplicate isn’t enough. Rekeying means changing the internal pins so the old key no longer turns the cylinder. For standard Schlage or Kwikset pin-and-tumbler locks, that’s a 20-minute job per lock. For Kwikset SmartKey deadbolts – the dominant hardware in Shapell and Windemere tract homes – we use the specific SmartKey re-keying tool, not a standard pin kit. Using the wrong tool damages the cylinder or leaves the original builder’s key functional without you knowing.
What Lost Key Replacement Costs
A lost key replacement with rekeying in San Ramon typically runs $95 to $160 for the first lock, with additional locks billed lower per cylinder. If you need a new key cut without rekeying, that’s usually $15 to $35. Smart lock reprogramming after a lost digital key runs $85 to $150 including the service call. Every quote is written down before work begins, and there’s no call-out surcharge added when the tech arrives. Call (910) 714-4287 and we’ll give you an exact number before we dispatch.
House Key Locksmith in San Ramon
A house key locksmith in San Ramon does more than cut keys. We rekey locks after move-in, replace worn cylinders that stick or fail, and convert mismatched hardware to a single key control so one key operates every door. San Ramon’s housing stock makes this work specific. The Shapell and Windemere builds from 2000 to 2010 often shipped with identical Kwikset SmartKey deadbolts across thousands of homes. If your neighbor’s key turns your lock, that’s not a fluke – it’s the same builder-grade cylinder with matching factory pins. Rekeying in San Ramon runs $95 to $160 for standard hardware and $180 to $320 when we replace the cylinder entirely.
Single Key Control for Your Whole House
Most San Ramon homes have four to six exterior locks: front door, garage door, back door, maybe a side gate or patio door. If those locks came from different installs over the years, you’re carrying multiple keys and guessing which one fits which door. We rekey every cylinder to match a single key – what we call single key control – so one key opens everything. That job typically costs $95 to $160 for the first lock and $25 to $45 per additional cylinder in San Ramon.
Rekeying After Buying a San Ramon Home
If you bought a home in Dougherty Valley, Gale Ranch, Bollinger Hills, or Crow Canyon and haven’t rekeyed, do it this week. The builder’s key that came with the home may still be in circulation: real estate agents, contractors, cleaners, and the previous owner’s family could all have copies. On homes where SmartKey deadbolts were never rekeyed with the proper tool, the builder’s key can still open your door even if you’ve had a standard rekey attempt done incorrectly. We rekey the lock cylinder so no old key works – period. In San Ramon, that’s a $95 to $160 job for residential hardware, done in about 30 minutes.
Trusted Brands We Service in San Ramon
We’re factory-authorized on the hardware that matters to San Ramon homeowners: Kwikset, Medeco, Yale, Baldwin, and Schlage. That means when a Dougherty Valley home has an original 2004 Kwikset SmartKey deadbolt, we carry the SmartKey re-keying tools and cylinder pins in our vans, not just on order. When a Crow Canyon homeowner wants a Baldwin mortise lock serviced, we have the factory spec and the right hardware. And when a Gale Ranch resident asks about Medeco high-security cylinders, we can supply and key them the same day. Our vans are stocked for the specific hardware mix San Ramon’s tract builds used, so turnaround doesn’t wait on a parts shipment from a warehouse in another state.
Common Residential Locksmith Problems We See in San Ramon Homes
- Builder-grade SmartKey deadbolts that were never rekeyed after closing. Shapell and Windemere installed the same Kwikset SmartKey hardware across entire Dougherty Valley and Gale Ranch tracts. If you didn’t rekey at move-in, the builder’s key may still open your door – and potentially your neighbor’s, too, since those cylinders ship with matching factory pins.
- Deadbolts that stick every July through September. San Ramon’s inland valley corridor below Mount Diablo regularly pushes past 100°F. The stucco-clad door frames in tract homes expand in sustained heat, throwing deadbolts out of alignment with their strike plates. We see this callback pattern every late summer, and the fix is moving the strike plate, not replacing the lock.
- Smart lock battery failures on peak-temperature days. Sustained heat above 95°F degrades smart lock batteries faster in San Ramon than in coastal cities like Hayward. When the battery dies and you don’t have the physical key, you’re locked out. We retrofit smart locks with heat-tolerant placement and program the physical key override so you’re never stranded.
- Wrong-tool rekeying damage on SmartKey cylinders. A Kwikset SmartKey deadbolt is not a standard pin-and-tumbler lock. Rekeying it with a standard pin kit destroys the cylinder or leaves the builder’s key functional without you knowing. We see this on San Ramon homes where a previous tech didn’t stock the SmartKey re-keying tool.
Pricing for Residential Locksmith in San Ramon, CA
Here’s what residential locksmith work actually costs in San Ramon, written out so you can plan before you call. A standard rekey runs $95 to $160 for the first lock. Deadbolt installation or replacement lands between $180 and $320. A smart lock retrofit with labor costs $250 to $450 depending on whether the door prep matches the new lock’s footprint. Lost key replacement with rekeying is $95 to $160. Lockout service runs $75 to $150, and if a lock must be drilled – which we avoid whenever possible – that’s $40 to $80 added to the lockout fee. Window lock installation or replacement runs $65 to $120 per window. Door reinforcement, including strike plate upgrades and longer screws into the frame studs, costs $85 to $150 per door. The price we give you on the phone is written down before any work starts, and it’s the price on the invoice. No call-out surcharge on arrival. Call (910) 714-4287 for a free estimate – a real person answers, any hour, and we’ll tell you the exact number before anyone is dispatched to your San Ramon home.
We Also Serve Cities Near San Ramon
We work throughout San Ramon and the neighboring communities. If you live in Dublin, Danville, Hayward, or Pleasanton, our techs serve those areas too – same Threshold Standard, same written pricing, same 365-Day Done Right Promise. One call to (910) 714-4287 covers the whole east bay corridor.
Serving San Ramon, CA - Our Local Coverage Area
We’re based in the San Ramon 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 San Ramon
Because nobody rekeyed it after the builder handed over the keys. Shapell and Windemere built thousands of homes in Dougherty Valley, Gale Ranch, and Crow Canyon with identical Kwikset SmartKey deadbolts, and those locks ship with factory default pins. Until a locksmith changes the internal pins with the proper SmartKey re-keying tool, the builder’s key – and every copy ever made of it – will still turn your lock. Call (910) 714-4287 and we’ll rekey your door so no old key works.
Heat. San Ramon’s inland valley position below Mount Diablo means summer days regularly exceed 100°F, and the wood door frames in stucco-clad tract homes absorb that heat and expand. The frame swells just enough to throw the deadbolt out of alignment with the strike plate, so the bolt catches instead of throwing cleanly. The fix is moving the strike plate – usually a 20-minute job – not replacing the lock. Call (910) 714-4287 and we’ll schedule the correction.
In Dougherty Valley and Gale Ranch, yes, and it’s a known builder issue. Shapell and Windemere installed the same Kwikset SmartKey deadbolts with factory default pins across entire tracts during the 2000s build-out. That means your neighbor’s key could open your door, and vice versa. The fix is a proper rekey with the SmartKey re-keying tool, which changes the internal pins so your old key – and your neighbor’s – no longer work. That’s a $95 to $160 job in San Ramon. Call (910) 714-4287 for an exact quote.
A smart lock is worth it in San Ramon, but the install matters. Sustained heat above 95°F does degrade smart lock batteries faster here than in coastal cities, and on the hottest days, a dead battery without a physical key override means a lockout. We install smart locks with the physical key override programmed, and we position the lock so battery access is easy. A Schlage Encode or comparable retrofit runs $250 to $450 in San Ramon including labor. Call (910) 714-4287 and we’ll walk you through what fits your existing door prep.
Almost never. Our San Ramon techs carry lock-picking tools and Kwikset SmartKey re-keying equipment, and drilling is always the last resort. We try non-destructive entry first, and in most San Ramon lockouts – even on SmartKey deadbolts – that works. If drilling is unavoidable, we tell you the cost before we do it: $40 to $80 added to the $75 to $150 lockout fee. Call (910) 714-4287 and we’ll get a tech to your San Ramon address fast, with the price quoted before anyone is dispatched.
Need a residential locksmith in San Ramon today? Call (910) 714-4287. We answer live, 24/7, and the price you’re quoted is the price on the invoice – no surprises, no call-out surcharge, just straight answers and a tech you know by name and photo before the door opens.
Written by Perry Osgood, Owner at Dunmore Locksmith, serving San Ramon since 2007.






