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.
Locksmith in Mill Valley, CA
We handle lockouts, rekeying, deadbolt replacements, and lock repairs across Mill Valley, with upfront written pricing and a live person on the phone around the clock. Mill Valley is not a standard Marin service stop: the redwood canyon damp, 1920s-1950s wood-framed homes, and narrow ridge roads shape nearly every job we do here. Call (910) 714-4287 and you’ll reach a real person, not a recording.
Why Mill Valley Homes Are Different
Mill Valley sits in a deep redwood canyon below Mount Tamalpais, and that geography shows up in the hardware. Year-round fog drip and canopy moisture keep exterior locks damp far longer than in drier parts of Marin. Brass and zinc components oxidize quickly, keyways gum up, and wooden door jambs in the older cottages swell each wet season enough to throw deadbolts out of alignment. Homeowners in the Old Mill and Cascade Creek areas call us for a deadbolt that will not throw or a key that will not turn, and a big share of those calls trace back to the same root cause: moisture plus old mortise locksets that were installed when the house was built.
Housing stock matters too. Many Mill Valley homes are 1920s-1950s redwood-framed craftsman bungalows or converted summer cottages with original mortise locks and single-cylinder deadbolts. These locks are often decades old, worn past reliable repair, and not compatible with modern high-security cylinders. Then there is the terrain: winding one-lane roads like Cascade Drive, Molino Avenue, and Throckmorton Ridge make after-hours response genuinely harder here than in flatter Marin cities. We have driven those streets. We know where to park, where to turn around, and how long it actually takes to reach a house the GPS says is twelve minutes away.
The dispatcher on the phone is the same one who routes the technician, and the technician is sent to you by name and photo before the visit.
Our Main Mill Valley Services
Most calls from Mill Valley fall into two buckets: residential lock work and door lock repair. Here is what each job involves locally.
Residential Locksmith in Mill Valley
Residential work in Mill Valley means rekeying original mortise locksets, replacing worn single-cylinder deadbolts, and upgrading cottage locks to modern keyways. A recurring job in the canyon flats: a homeowner with a 1940s bungalow whose brass deadbolt has corroded internally from decades of fog moisture. We rekey, replace, and align the lock so the door closes and locks on the first try. Residential Locksmith in Mill Valley
Door Lock Repair in Mill Valley
The damp microclimate in Mill Valley accelerates lock corrosion and seasonal wood-frame racking, which means door lock repair here is often about realignment as much as parts replacement. When a deadbolt stops throwing cleanly in February, the jamb has usually swollen just enough to shear the bolt’s path. We repair the lock mechanism and correct the alignment so the bolt slides cleanly. Door Lock Repair in Mill Valley
Change Door Locks in Mill Valley
Changing door locks in Mill Valley often means working around original mortise pockets in old redwood doors. A standard modern deadbolt does not always fit a 1930s mortise cutout without some careful work. We swap out the old hardware, rekey the new cylinder, and leave you with keys that work on every door you need them to work on. The price is quoted in writing before we start. Change Door Locks in Mill Valley
Commercial Locksmith in Mill Valley
Commercial work in Mill Valley includes storefront locks, office rekeys, and high-security cylinder installations for businesses in the downtown corridor and the shopping areas near Miller Avenue. We carry Medeco, Schlage, and Mul-T-Lock cylinders and can install or service them on the same visit. For commercial and access-control work, we survey the job, provide a written scope, and quote a flat per-lock price before scheduling. Commercial Locksmith in Mill Valley
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in Mill Valley
We service and install Kwikset, Medeco, Yale, and Baldwin hardware, along with Schlage and Mul-T-Lock cylinders. We stock common mortise and cylindrical lock parts in the service vans so most repairs in Mill Valley finish in a single visit. See our brands for the full line we work with.
Pricing for Locksmith in Mill Valley, CA
| Service | Typical range in Mill Valley |
|---|---|
| Rekey a standard knob lock | $40 – $90 per lock |
| Rekey a deadbolt | $40 – $90 per lock |
| Replace a standard knob lock | $95 – $180 per lock |
| Replace a deadbolt | $110 – $200 per lock |
| Install a new deadbolt and knob set | $180 – $350 |
| Mortise lock replacement | $240 – $480 per lock |
| High-security cylinder upgrade (Medeco, Mul-T-Lock) | $130 – $300 per cylinder |
| Rekey multiple locks to one key | $40 – $90 per lock |
| Lockout (no damage, standard door) | $85 – $150 |
| Door alignment and deadbolt throw correction | $60 – $140 per door |
These ranges shift in Mill Valley for two reasons. First, original mortise locks on pre-1950 cottages often take longer to service than modern cylindrical locks, and parts are less common. Second, the canyon roads add real travel time on after-hours calls. Whatever the job, the full price is written down before any work starts. That is the price on the invoice. No arrival surcharge, no after-the-fact total.
Neighborhoods We Serve in Mill Valley
We respond across Mill Valley, from the downtown flats to the ridge roads above Cascade Creek. Typical daytime response is 30-60 minutes, and we are honest on the phone if an after-hours call into the canyon will take longer than that.
- Old Mill
- Cascade Creek
- Downtown Mill Valley
- Sycamore Park
- Tamalpais Valley
Service Area – Cities Near Mill Valley
We also serve Corte Madera, CA, Larkspur, CA, Sausalito, CA, and Kentfield, CA. If your job is outside Mill Valley proper, call and ask. We will tell you honestly whether we can get there and when.
Serving Mill Valley, CA - Our Local Coverage Area
We’re based in the Mill Valley 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 Locksmith in Mill Valley
Daytime response in the flats and downtown is usually 30-60 minutes. After-hours calls into the canyon roads like Cascade Drive or Throckmorton Ridge can run longer, and we will tell you that on the phone before you commit to anything. Call (910) 714-4287 for a realistic ETA.
Often, yes. Many 1920s-1950s cottages here still have original mortise locksets, and modern deadbolts do not always drop into those old cutouts cleanly. We carry parts for older lock bodies and can usually preserve the original door, which matters on vintage redwood doors that would be costly to replace.
We do. We know the one-lane approaches, the tight turnarounds, and the homes reached only by exterior staircases. If a dispatcher has never driven those roads, the ETA is a guess. Ours are not.
The price we give you in writing before any work starts is the price on the invoice. Every time. No arrival surcharge, no surprise total. That is how every Dunmore Locksmith job works, and it is part of the 365-Day Done Right Promise: if the repair fails within a year, we return at no charge.
Need a Mill Valley locksmith right now? Call (910) 714-4287 for a free estimate and a live person, any hour of the day or night.
What happens when you call
- 1A real person answersNo phone trees - talk to a local locksmith pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Mill Valley Customers Say
"Deadbolt on the front door was sticking and wouldn't throw all the way. He cleaned it, adjusted the strike plate, and it works smoothly now. Charged very little."
- Victor S."The fact that he was background checked and carried ID made me comfortable letting him into the home. Changed out two worn deadbolts for new grade 1 ones."
- Brenda Z."We moved into a new house and wanted to know nobody else had a key. He rekeyed every exterior door and showed me how the pins work. Clear and patient."
- Anita P.