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
Residential locksmith service in Larkspur typically runs $85-$280 depending on the job, and most calls in the city are answered by a live person within two rings, 24 hours a day. Our crews dispatch from the San Francisco Bay Area office and carry hardware for both standard Kwikset deadbolts and the antique mortise locksets common in Old Town Larkspur’s Victorian housing stock.
We’re familiar with the full spread of Larkspur living, from the divided Victorians along Magnolia Avenue to the multi-tenant entries at Larkspur Landing. If you’re locked out, need a rekey after a tenant turnover, or want a smart lock fitted without damaging original millwork, call (682) 281-8985. We’ll give you a written price before anyone is dispatched, and that price matches the invoice.
Why Loxley Locksmith & Security Is Larkspur’s Preferred Residential Locksmith Company
We’ve been part of the Kingswell family of locksmith companies since 2007, and our Larkspur customers come back because the terms are on paper, not implied. The Kingswell Way means five things: we say the price before the work, show up in the window we gave, leave the place cleaner than we found it, put the guarantee in writing, and come back if it fails.
Every Loxley technician is background-checked and arrives in uniform, so you know who’s walking up your steps. Calls are answered by a live person, never a callback queue, whether it’s 3 p.m. or 3 a.m. Our written 365-Day Done Right Promise covers parts and labor, and if a repair fails inside that window, we return at no charge. That’s not a promotion. It’s a standing offer.
We’ve earned a strong local reputation in Larkspur specifically because we understand the city’s split personality: historic homes with irreplaceable hardware on one hand, modern multi-tenant buildings with key-control headaches on the other. Our Residential Locksmith team trains on both antique restoration and current smart-lock spec, and we stock parts locally so you’re not waiting on a Bay Bridge delivery.
Lock Replacement in Larkspur
Lock Replacement in Larkspur runs $120-$340 for standard cylindrical hardware and $280-$550 for antique mortise lock box restoration or full replacement, with most jobs completed in a single visit. We replace locks when they’re damaged, corroded beyond repair, or when you need to reset key control after a move, a breakup, or a lost set.
When the Mortise Box Has Seized
Old Town Larkspur’s estuary air off Corte Madera Creek rusts internal lock mechanisms faster than inland Marin towns see. A mortise bolt and strike can corrode together over 80-100 years until the lock won’t turn at all. Forcing it snaps the antique bolt and turns a rekey into a full rebuild. We disassemble the box, clean or replace the corroded internals, and preserve the original faceplate and trim when possible.
Multi-Tenant Entries and Master Key Systems
A standard rekey on a Larkspur Landing building entry without a master key system means one copied key compromises every unit. We spec restricted-key systems, including Medeco and Mul-T-Lock, where blanks are controlled and duplication requires authorization. The building owner holds the card; tenants can’t duplicate at the local hardware store.
Smart Lock Installation in Larkspur
Smart Lock Installation in Larkspur costs $180-$420 for the hardware and labor, with premium Yale and Baldwin touchscreen models running toward the higher end. We install smart locks when homeowners want keyless entry, remote access for guests or contractors, or integration with existing home automation.
Fitting Modern Hardware to Historic Doors
High Marin County property values drive strong demand for retrofitting historic Larkspur doors with smart locks and Grade-1 deadbolts without damaging original millwork. We use adapter plates and minimal-bore techniques to preserve Victorian door frames, and we spec marine-grade finishes on bay-facing homes where salt-laden air has already pitted standard hardware.
What We Stock for Larkspur Homes
We carry Schlage Encode, Yale Assure, and Baldwin Estate smart deadbolts in our local inventory. For homes near the shoreline where corrosion is accelerated, we recommend models with stainless steel or PVD finishes rather than standard zinc alloys. The right finish adds years to the lock’s service life in Larkspur’s microclimate.
Trusted Brands We Service in Larkspur
We stock and service Kwikset, Medeco, Yale, and Baldwin hardware from our local parts inventory, which means most Larkspur customers get same-day resolution without waiting on a warehouse shipment. Our technicians are trained to speak the manufacturer’s language for each brand, whether it’s rekeying a Kwikset SmartKey cylinder, programming a Yale Z-Wave module, or sourcing a Baldwin mortise cylinder to match existing trim. We also work with Mul-T-Lock, Abloy, and Sargent when a job calls for high-security or commercial-grade spec in a residential setting.
Common Residential Locksmith Problems We See in Larkspur Homes
- Corroded mortise lock boxes in Old Town. The cast-iron boxes on Magnolia Avenue corridor homes have survived a century of estuary humidity, but internal springs and bolts often fuse solid. A standard rekey won’t free them; the box needs full disassembly and restoration.
- Salt-air cylinder failure on bay-facing doors. Homes along the Corte Madera Creek estuary and the San Francisco Bay shoreline see lock cylinders seize or pit years before they’d fail in drier inland Marin. We see this on hardware that’s only five to seven years old.
- Key control breakdowns in multi-tenant buildings. At Larkspur Landing and similar developments, a tenant who copies a standard key creates a building-wide security gap. Restricted-key systems with signature-required duplication solve this, but they need to be spec’d correctly from the start.
- Damage from untrained entry attempts on antique hardware. A corroded mortise lock that’s already seized will snap if forced. We’ve rebuilt bolts and strikes that were broken by well-meaning attempts to “just get it open,” turning a $200 service call into a $500 restoration.
Pricing for Residential Locksmith in Larkspur, CA
Here’s what residential locksmith work typically costs in Larkspur’s market:
- Standard lockout (non-destructive entry): $85-$150
- Rekey standard Schlage or Kwikset deadbolt: $25-$45 per cylinder
- Lock Replacement, standard cylindrical: $120-$340
- Lock Replacement, antique mortise restoration: $280-$550
- Smart Lock Installation: $180-$420
- Master key system setup (multi-tenant): $180-$400 plus per-lock rekeying
- Window lock repair or replacement: $65-$140
- Door reinforcement (strike plate, jamb): $120-$260
These ranges reflect Larkspur’s Marin County location and the specialized skills required for historic hardware. A bay-facing home with corroded mechanisms takes longer than a dry-interior job in Kentfield or San Rafael. We quote the full price on the phone before dispatching a technician, and that figure is the price on the invoice. No call-out surcharge gets added when we arrive.
Every estimate is free. Call (682) 281-8985 and we’ll walk through your specific situation.
We Also Serve Cities Near Larkspur
Our crews work throughout central Marin County. If you’re in Larkspur or nearby Kentfield, Corte Madera, San Rafael, or Mill Valley, the same live-answer dispatch, written pricing, and 365-Day Done Right Promise applies. Response times to these neighboring cities are comparable to Larkspur itself.
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
Yes. We use non-destructive entry techniques and carry picks and bypass tools sized for antique mortise hardware. We got a call from a resident in a divided Victorian near the Magnolia Avenue corridor whose original cast-iron mortise lock had frozen solid - the bolt and strike had corroded together after decades of estuary humidity, and she was locked out of her own unit. Our tech disassembled the lock box, freed and cleaned the corroded mechanism, then fit a new Schlage deadbolt alongside the restored mortise hardware so the door still met ANSI Grade 1 spec without disturbing the original millwork. The tenant was back inside the same afternoon, and the landlord’s original door frame was untouched. Call (682) 281-8985 for a written quote before dispatch.
Old Town Larkspur’s Victorian and Craftsman homes often retain original cast-iron mortise lock boxes that haven’t been serviced in decades, and the estuary air off Corte Madera Creek rusts internal mechanisms faster than Corte Madera’s drier hillside homes experience. A standard rekey call frequently becomes a full disassembly, cleaning, and restoration job. We quote for this reality before touching the door, so you’re not surprised by a mid-job price change. Call (682) 281-8985 for an exact quote - estimates are free.
Yes, when the right hardware and technique are used. We spec low-profile smart deadbolts from Yale and Baldwin that fit existing bore holes with adapter plates, avoiding new cuts into original millwork. On bay-facing homes, we recommend marine-grade PVD or stainless finishes to resist the salt-laden air that has already damaged prior hardware. The installation preserves the door’s historic character while adding modern access control. Call (682) 281-8985 to discuss your specific door and hardware.
Key control means restricting who can duplicate keys for a lock. In a multi-tenant Larkspur building, a tenant who copies a standard Kwikset or Schlage key at any hardware store creates a permanent security gap. We install restricted-key systems from Medeco or Mul-T-Lock where key blanks are factory-controlled and duplication requires your authorization plus a signature card. One copied key no longer compromises every unit. This is standard spec for Larkspur Landing and similar multi-tenant properties. Call (682) 281-8985 for a scope and flat per-lock price.
Salt-laden marine air from the San Francisco Bay and Corte Madera Creek estuary corrodes lock cylinders and deadbolt mechanisms faster than in inland Marin towns like San Anselmo. Bay-facing Larkspur homes often see seized or sticky lock mechanisms on hardware that’s only a few years old. We can clean and lubricate the cylinder, but if pitting has started, replacement with marine-grade hardware is the longer-term fix. Call (682) 281-8985 and we’ll diagnose whether cleaning or replacement makes sense for your situation.
Ready to get back in, get your keys under control, or upgrade your locks without the guesswork? Call (682) 281-8985 now. A live person will answer, ask the right questions about your Larkspur home, and give you a written price before any technician is dispatched. That’s the Kingswell Way, and it’s how we’ve worked since 2007.
Written by Sam Rourke, Owner at Loxley Locksmith & Security, serving Larkspur and Marin County.






