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 Larkspur
A residential locksmith in Larkspur typically handles everything from period mortise lock repair on Magnolia Avenue Victorians to smart lock installation in the hills off Baltimore Canyon. Most calls get a technician to your door within 30 to 45 minutes, with written pricing before any work starts. If you need to Change Door Locks in Larkspur, a deadbolt repaired, or a key system set up, call us at (910) 714-4287 and a live person answers, day or night.
We know Larkspur’s housing stock because we work on it every week. The historic flats need different tools and parts than the mid-century ranch homes up the canyon roads. That local knowledge means fewer return visits and fewer unnecessary replacements. Our Residential Locksmith team carries mortise cylinders, skeleton-key blanks, and fog-resistant hardware on the truck, so one visit usually finishes the job.
Why Dunmore Locksmith Is Larkspur’s Preferred Residential Locksmith Company
Larkspur homeowners call us for one reason more than any other: we tell them exactly who is coming to their door before they open it. Every technician is background-checked, identity-verified, and sent to you by name and photo before the visit. When the doorbell rings, the person standing there matches the photo on your phone and carries a photo ID badge. We call that the Threshold Standard, and it is the rule for every job we do in Larkspur.
Our response time to most Larkspur neighborhoods runs 30 to 45 minutes for lockouts and same day for scheduled work like rekeys and deadbolt installations. Homes off West Baltimore Avenue or up toward the canyon take a little longer because of the narrow roads, but we will give you a real arrival window on the phone, not a vague “soon.”
Reviews from Larkspur customers consistently mention the written quote before work starts and the 365-Day Done Right Promise. If a repair fails within a year, we return at no charge. That guarantee is printed on every invoice, not buried in fine print.
Perry Osgood, who leads our Bay Area operations, insists on one thing above all: no dispatcher sends a tech to a Larkspur home without the customer knowing that tech’s name and face beforehand. That is the protection that matters most when you are unlocking a door for a stranger.
Smart Lock Installation in Larkspur
Smart Lock Installation in Larkspur means matching the lock to how the home actually gets used, which for many local properties includes a commute through the Larkspur Ferry Terminal, fog-heavy mornings, and doors that swell every wet season. We install keypad deadbolts, Wi-Fi and Z-Wave models, and retrofit kits that let homeowners keep their original Baldwin or Schlage hardware while adding app-based access and temporary codes. A standard smart deadbolt installation in Larkspur runs $220 to $390, including the lock, alignment of the strike, and testing the app on your phone before we leave. If you already own the lock, installation alone runs $150 to $220.
What matters most here is weather-sealing and mechanical alignment. A smart lock bolted onto a fog-swollen door frame will chew through batteries and strip its own motor within months. We align the strike first, then install the lock so the deadbolt throws without resistance. That one extra step is why our smart lock installs hold up in Larkspur’s marine moisture better than DIY jobs.
We also integrate the lock with existing alarm and smart-home systems. If you run Ring, Google Home, or a wired alarm panel, we will pair the lock to your hub and walk you through temporary codes for cleaners, dog walkers, or out-of-town guests. Written quote comes before we touch your door.
Retrofit vs. Full Replacement
Many Larkspur homes have beautiful older door hardware that owners don’t want to lose. A retrofit keypad on the interior side keeps the exterior escutcheon intact while adding keyless entry. Full replacement makes sense when the existing deadbolt is worn, corroded, or not bump-resistant. We will show you both options with line-item pricing and let you choose without pressure.
Integration with Alarm Systems
If your Marin County alarm panel is already monitored, a smart lock can be configured to send alerts, disarm on entry, or trigger a panic code under duress. We avoid proprietary cloud-only locks that fail when the Wi-Fi drops. The goal is a lock that still works as a mechanical deadbolt even if the app is down.
Locked Out of Apartment in Larkspur
Locked Out of Apartment calls in Larkspur cluster around the Larkspur Ferry Terminal parking lots and the older flats along Magnolia Avenue. The ferry terminal lockouts follow a predictable pattern: commuters sprint from their cars to make a Golden Gate Ferry departure, leave keys on the seat, and come back to a locked vehicle at 7 pm. Our techs know the lot layout and the access gates, which shaves real time off the response. Non-damaging entry for a vehicle or apartment lockout in Larkspur runs $95 to $185, depending on time of day and lock type, and the full price is quoted on the phone before anyone is dispatched.
For apartment lockouts, we start with the least invasive method first: shimming, picking, or using an air wedge. Drilling is always the last resort and only with your written approval after the price is confirmed. If you are renting, we can contact your property manager to verify tenancy before opening the door, which protects both you and the building.
Non-Destructive Entry Methods
Most residential lockouts in Larkspur take under 20 minutes once the tech arrives. We carry pick sets, shims, air wedges, and specialized mortise lock picks for the older hardware common in the flats. The goal is always to get you in without damaging the lock or the door.
After-Hours Response
Locked out at 1 am near Bon Air Road or off Sir Francis Drake? Our phones are answered by a live person 24 hours a day, every day of the year. We do not route after-hours calls to voicemail or a call center that might or might not reach us. You will hear a human voice, get a straight answer on pricing, and know who is coming before they arrive.
Trusted Brands We Service in Larkspur
We are factory-authorized to install and service Kwikset, Medeco, Yale, and Baldwin hardware, among others. For Larkspur customers, that means we stock the pins, cylinders, tailpieces, and strike plates that keep these locks working in coastal conditions. A Baldwin mortise lock can be rebuilt, not just replaced, and a Yale deadbolt with corroded pins can be cleaned and rekeyed. We also cut and program restricted keys for Medeco and other high-security lines, which cannot be duplicated at a hardware-store kiosk. That matters when you want a key system for a hillside property with outbuildings and multiple entry points.
Common Residential Locksmith Problems We See in Larkspur Homes
- Fog-corroded cylinders on coastal-facing homes. Larkspur’s near-daily marine layer means lock cylinders collect moisture and salt, which seizes pins faster than homeowners expect. A key that works one week and grinds the next is usually corrosion, not a broken lock. We soak and clean the cylinder before rekeying so fresh pins don’t bind again in six months.
- Swollen door frames on Victorian-era homes. The wet season makes wooden door frames along Magnolia Avenue and the historic flats swell, which throws the strike plate out of alignment. The deadbolt stops throwing, but the lock is fine. We realign or mortise the strike deeper rather than drilling out a perfectly good period lock.
- Skeleton-key hardware that any old key can open. Many 1880s to 1910s homes still have original mortise locksets with skeleton-key cylinders. The problem is not just age; it is that dozens of generic skeleton keys that still work in these locks. We rekey them to restricted keyways so old neighborhood keys no longer fit, without replacing the historic faceplate.
- Frozen smart locks on unsealed doors. We see smart locks in Larkspur that eat batteries every three weeks because the door swells with the fog and the motor has to fight the deadbolt. Proper strike alignment and weathersealing solves most of these failures permanently. A smart lock should last months on a charge, not weeks.
Pricing for Residential Locksmith in Larkspur, CA
Most residential locksmith work in Larkspur falls into these ranges: a standard lock rekey runs $75 to $180, a deadbolt installation runs $120 to $260 including the lock, a mortise lock rebuild on a Victorian-era door runs $220 to $480, and a smart lock installation runs $220 to $390 with the lock included. Vehicle or apartment lockouts run $95 to $185. A service call to Larkspur typically adds $35 to $60 depending on your location, and that amount is built into the quote you get on the phone before anyone leaves the shop.
The quote you receive is the price on the invoice. No after-the-fact additions, no “discovered problems” upcharges, no call-out fee tacked on when the tech arrives. If a repair fails within 365 days, the second visit is free under our Done Right Promise. Call (910) 714-4287 and we will give you exact pricing for your specific job, in writing, before the work starts.
Written by Perry Osgood, Owner at Dunmore Locksmith, serving Larkspur as part of the Threshold Group family since 2007.
We Also Serve Cities Near Larkspur
Our Residential Locksmith team covers Larkspur and the surrounding Marin County communities, including Kentfield, Corte Madera, San Rafael, and Mill Valley. If you live near the Larkspur Ferry Terminal, the Bon Air Shopping Center, or up in the canyon neighborhoods, the same Threshold Standard applies: named technician before arrival, written price before any work, and a one-year written guarantee on every job.
Serving Larkspur, CA - Our Local Coverage Area
We’re based in the Larkspur 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 Larkspur
No, in most Larkspur Victorians the lock itself is fine and the problem is the door frame. Wet-season fog swells the wood, the strike plate shifts, and the deadbolt can no longer throw cleanly. We start by checking alignment and mortising the strike deeper if needed. If the cylinder has corroded pins, we clean and rekey it. Replacing a period mortise lock is only necessary when the internal mechanism has physically broken. Call (910) 714-4287 and describe the symptom, and we will tell you what is most likely before anyone comes out.
Yes, and this is a big part of our work along Magnolia Avenue and the surrounding historic flats. We carry period-correct mortise cylinders and can rekey the lock to a modern restricted keyway while keeping the original brass faceplate and knob. That way your old skeleton keys no longer work, but the character of the door stays intact. This is not a job a standard residential rekey kit can handle, so we bring the right hardware on the first visit. Call (910) 714-4287 for a written quote for your specific lockset.
Yes, in the vast majority of Larkspur apartment lockouts we get you in without drilling. We begin with non-destructive methods such as picking, shimming, or using an air wedge, and drilling is only a last resort with your written approval and a confirmed price first. Our techs know the Larkspur Ferry Terminal parking areas and access paths, which speeds up response when you are stranded near the dock. Lockout pricing runs $95 to $185, quoted before dispatch. Call (910) 714-4287 and a live person will take your details right away.
They hold up if they are installed correctly, which means the strike is aligned and the door frame is sealed against moisture. Larkspur’s marine fog corrodes exposed components and seizes pins faster than inland Marin, so we choose weather-resistant models and use corrosion-inhibiting lubricant on internal parts. The biggest failure we see is not the lock itself but a swollen door frame forcing the motor to work too hard. A properly installed smart lock in Larkspur can run for months on batteries. Call (910) 714-4287 for a recommendation matched to your door and your existing smart-home setup.
Yes, we design and install master key systems for Larkspur hillside properties all the time. With restricted keyways from Medeco, Yale, or Baldwin, you get one key for your front door and a separate key for a garage, studio, or garden shed, with documented control over who can copy each key. Restricted keys cannot be duplicated at a hardware kiosk, which gives you real control over how many copies exist. We survey the property, map the doors, and give you a written scope with flat per-lock pricing before any work begins. Call (910) 714-4287 to schedule a walkthrough.
If you need our Commercial Locksmith in Larkspur for your home or business, call (910) 714-4287. A live person answers around the clock, the price goes in writing before work starts, and the technician who shows up is the exact person whose name and photo we sent you beforehand. That is how we do every job, for every Larkspur home and apartment we work on.






