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 Commercial Locksmith Across San Anselmo
Commercial locksmith work in San Anselmo means something different than it does ten minutes down the road. The storefronts along Sir Francis Drake Boulevard sit in the San Anselmo Creek floodplain. The apartment buildings on the side streets hold original mortise locksets from before 1940. And the people who own and manage those buildings have to answer for every key, every entry, and every tenant who gets locked out. Dunmore Locksmith has been part of the Threshold Group family since 2007, and our commercial technicians know San Anselmo’s hardware the way a local mechanic knows which cars rust where. When a shared entry door on a multi-tenant building seizes after a wet week, we don’t guess. We know what that door is made of and why it failed. Call (910) 714-4287 and a live person answers, any hour, any day.
Why Dunmore Locksmith Is San Anselmo’s Preferred Commercial Locksmith Company
Operating under the Threshold Group umbrella since 2007, we built our reputation in Marin County on one promise: you should know exactly who is coming to your door before you open it. For commercial property owners in San Anselmo, that matters twice as much. You’re not just protecting your own unit. You’re responsible for common areas, tenant access, and the freeholder’s original door hardware. When we dispatch to a San Anselmo job, you get the technician’s name and photo before they arrive. They show up in a clean marked uniform with a photo ID badge at the door. If someone shows up who you weren’t told to expect, that visit is covered at no charge. That’s the Threshold Standard, and it applies to every commercial call we run here.
San Anselmo property managers tell us the same thing again and again: the difference between a good locksmith and a costly mistake comes down to whether the technician respects the building’s original character. Our crew does. We’ve rebuilt mortise locksets on the pre-1940 storefronts downtown, preserved original brass escutcheons on apartment entries off San Anselmo Avenue, and installed modern key control systems without touching the vintage hardware a freeholder paid to keep. That’s why our Commercial Locksmith team gets repeat calls from the same building managers year after year.
Every job, commercial or residential, comes with the 365-Day Done Right Promise. It’s a written guarantee, stamped on every repair. If the repair fails, we return at no charge. Not a vague satisfaction pledge. A one-year commitment in writing. And the price you’re quoted on the phone before we dispatch is the price on the invoice. No call-out surcharge added on arrival. No total that balloons after the work starts.
High Security Locks in San Anselmo
High security locks in San Anselmo solve a problem that standard hardware can’t: a restricted keyway that prevents unauthorized duplication. For a commercial property here, that means a tenant can’t walk down to the hardware store, copy a key, and create a building-wide security problem. High security cylinders from Medeco, Abloy, and Mul-T-Lock use patented keyways, so blanks are only available through authorized dealers. We’re factory-authorized to install and service those lines. A typical high-security cylinder upgrade for a San Anselmo storefront or apartment entry runs $180 to $360 per door, depending on the cylinder grade and whether you’re adding a master key hierarchy.
Key Control for Multi-Tenant Buildings
The shared vestibule door on a downtown San Anselmo apartment building is the single biggest vulnerability most freeholders overlook. One tenant loses a key, and suddenly that key could be anywhere. With a restricted high-security keyway, replacing a lost key means authorizing a new one through us, and the old key simply won’t be cut anywhere else. We set these systems up so each unit gets its own key while the building manager holds a master that opens everything. Written scope and flat per-lock pricing apply on these jobs.
Retrofitting Period Hardware
Many of San Anselmo’s commercial buildings were built between 1895 and 1940, and the original mortise locksets don’t accept modern high-security cylinders without modification. We don’t drill them out. We retrofit the existing lock body to accept a high-security cylinder while keeping the original trim, knobs, and escutcheons intact. That’s the difference between a technician who understands period hardware and one who reaches for a drill. For a pre-war building on Sir Francis Drake Boulevard, preserving that iron or brass is part of the job, not an afterthought.
Commercial Door Repair in San Anselmo
Commercial Door Repair in San Anselmo is as much about the frame and the weather as it is about the lock itself. Our technicians see the same failure pattern every wet La Niña winter: San Anselmo Creek rises, silt-laden water reaches low-lying storefronts, and the wooden door frames swell. Bolts seize. Strike plates corrode. Doors that aligned perfectly in July suddenly won’t latch in February. A typical commercial door repair here runs $120 to $260 for realignment, strike plate replacement, and hardware adjustment. If the lock body itself needs rebuilding inside a period mortise assembly, expect $220 to $400 depending on what’s seized and how much of the original mechanism can be saved.
Flood-Exposure Hardware Assessment
For any commercial storefront along the creek corridor, we recommend a hardware inspection after a wet winter. A bolt that’s sluggish now will be fully seized by the next storm season. We check the strike alignment, clean or replace corroded plates, and adjust the frame so the bolt seats cleanly. It’s cheaper than an emergency call at 9 p.m. when the door won’t open at all.
Non-Destructive Entry for Commercial Doors
When a business owner is locked out of a San Anselmo storefront, the instinct is to force the door. Don’t. A forced door costs more in frame and hardware repair than a locksmith call ever would. We use non-destructive entry techniques that preserve the original door and hardware, then repair the lock that failed so it doesn’t happen again. For a storefront with original glass or a heavy wood door on a pre-war building, that preservation matters.
Trusted Brands We Service in San Anselmo
We’re factory-authorized to install and service Schlage, Medeco, and Abloy hardware, which covers most of what San Anselmo’s commercial properties actually need. A downtown office might run Schlage commercial levers on every interior door and a Medeco restricted keyway on the street entry. A medical office on Sir Francis Drake Boulevard might need Abloy’s disc-detainer cylinders for the extra resistance to picking and drilling. We stock the common replacement parts for these lines locally, so a cylinder swap or mortise cassette replacement doesn’t mean waiting for a shipped part. For San Anselmo customers, that’s the difference between same-day and next-week.
Common Commercial Locksmith Problems We See in San Anselmo Homes
- Flood-seized bolts on creek-corridor storefronts. San Anselmo Creek runs directly through downtown, and when it overflows, silt gets into the lock hardware of low-lying storefronts along Sir Francis Drake Boulevard. The bolt mechanism seizes, the strike plate corrodes, and the door frame swells. This specific failure mode re-emerges every wet winter.
- Original pre-1940 mortise locksets treated like modern deadbolts. A technician who doesn’t know San Anselmo’s housing stock will drill a 120-year-old mortise lock and replace it with a modern deadbolt, destroying original iron or brass hardware. Freeholders and tenants here expect that hardware preserved, not ruined.
- Copied keys on multi-tenant entries. A standard key from a shared vestibule door gets copied at the hardware store, and now three tenants and someone’s ex-roommate all have building access. Restricted keys or a master key system solves this, but only if you set it up before the key gets lost.
- Postwar hillside infill with mismatched key generations. Many San Anselmo properties mix original 1900s hardware with 1960s hillside additions, leaving a single building with three or four different key systems. Reconciling those into one managed key hierarchy is routine work for us here and rare in neighboring towns.
Pricing for Commercial Locksmith in San Anselmo, CA
Here are the actual ranges for commercial work in San Anselmo, not teaser numbers that bait you into a call. Commercial lockout response runs $90 to $160, depending on the hour and the lock type. Rekeying a standard commercial lever runs $25 to $45 per cylinder. High-security cylinder upgrades run $180 to $360 per door. Panic bar installation runs $320 to $650 per door, access control keypad or card systems start at $700 for a single-door entry, and a master key system for a small multi-tenant building runs $300 to $700 depending on how many cylinders and the keyway type. Antique cabinet lock repair for Sir Francis Drake Boulevard shop owners runs $60 to $140 per lock. The full price is quoted on the phone before anyone is dispatched, and that is the price on the invoice. No call-out surcharge added on arrival. Call (910) 714-4287 for a free estimate on your specific door.
We Also Serve Cities Near San Anselmo
Our crews cover San Anselmo and the surrounding Marin County communities, including Fairfax, Kentfield, San Rafael, and Larkspur. If you manage a property with doors in more than one town, you get the same written pricing and the same 365-Day Done Right Promise no matter which door we’re working on. For the full picture of our commercial service area, see Commercial Locksmith in San Anselmo. One call covers the whole corridor.
Serving San Anselmo, CA - Our Local Coverage Area
We’re based in the San Anselmo 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 Commercial Locksmith in San Anselmo
Yes, and that’s exactly what a restricted key system is for. With a high-security keyway like Medeco or Abloy, a lost tenant key means we authorize one replacement key and the lost key can’t be duplicated anywhere. You don’t rekey the whole building. You rekey only what actually needs it, and the cylinder upgrade typically runs $180 to $360 per door. Call (910) 714-4287 and we’ll quote the exact cylinders for your building.
Usually both. The wooden frame swells when silt-laden water reaches the entry, and that misaligns the strike plate and seizes the bolt. We repair the hardware and adjust the frame so the bolt seats cleanly again, typically $120 to $260 for a storefront door. If the lock body is original and corroded, we rebuild the mortise assembly rather than replace it.
Yes. We retrofit the existing mortise body to accept a high-security cylinder while keeping the original trim, knobs, and escutcheons intact. That’s standard work for us on San Anselmo’s pre-war buildings. The cylinder and labor typically run $180 to $360 per door, and the original hardware stays exactly where it is.
Yes. We use non-destructive entry techniques on commercial doors, including the older mortise locks and heavy wood doors that dominate San Anselmo’s downtown. A forced door costs more to repair than a locksmith call ever would. After-hours response runs $90 to $160, quoted on the phone before we dispatch. Call (910) 714-4287 any hour and a live person answers.
It depends on what’s already on the door. For a modern commercial lever, yes, a keypad or smart lock integrates directly. For an original pre-1940 mortise lock, we can often retrofit the lock body to work with a keypad or access control system while keeping the original trim. A single-door keypad or access control entry typically starts at $700, with written scope and flat per-lock pricing before any work begins.
Written by Perry Osgood, Owner at Dunmore Locksmith, providing commercial locksmith service across San Anselmo and Marin County as part of the Threshold Group since 2007.






