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 Cotati
Commercial locksmith work in Cotati typically runs $95 – $225 for a lockout, $25 – $45 per cylinder for rekeying, and $180 – $420 for mortise lock replacement, depending on hardware grade and keyway. Most Cotati storefronts and offices are back in operation within the hour. We answer the phone live, confirm a written price before dispatch, and send a background-checked, uniformed technician who arrives with a trackable live arrival time. Call (409) 405-4485 and you’ll know exactly what the work costs before anyone gets in a van.
Cotati’s commercial buildings have a personality all their own. The stretch along Old Redwood Highway, the blocks near the Cotati SMART station, the light-industrial units off Gravenstein Highway, and the older offices along La Plaza all carry hardware that has seen years of daily traffic. We know these storefronts. We know what fails in them, and we know what it takes to get them secure again without making the problem worse. Kevin Yoon, who leads our team, has the final word on every commercial job: quote honestly, arrive on time, and leave the door working better than we found it.
Why Preston Locksmith & Security Is Cotati’s Preferred Commercial Locksmith Company
We founded in 2008 with a simple frustration: locksmith pricing that changed between the phone call and the doorstep. Cotati business owners deal with that bait-and-switch constantly, and it’s the main reason they start Googling “commercial locksmith near me” with their guard up. Our model is different. Every job, from a single storefront lockout to a full master key system, gets a written price before the tech leaves the office. That price is the price on the invoice. No added fees on arrival, no “oh, this is a high-security cylinder, that’ll be extra” after the lock is apart. The 365-Day Done Right Promise is stamped on every repair: if it’s not done right, we make it right. A second visit to correct any repair failure is free. No charge, no argument.
Our technicians are background-checked, uniformed, and trained on commercial hardware that matters in this area: Medeco, Mul-T-Lock, Abloy, Schlage, and Baldwin. When you book, you get a live arrival time you can track from your phone, and before-and-after photos of the work. You’ll know who is coming, what they look like, and exactly when they’ll be at your door on Old Redwood Highway or near the SMART station. That’s The Relay Visibility Guarantee, and it applies to every commercial job in Cotati.
Everything is coordinated from our San Francisco Bay Area office, but the crews serving Cotati work locally and know the streets. Calls are answered by a live person 24/7. You won’t hit a voicemail tree or wait for a callback when your front door won’t unlock at 7 a.m. before staff arrive.
Master Key System in Cotati
A master key system in Cotati gives a manager or owner one key that opens every door, while staff keys open only the doors they’re assigned. For a multi-office suite near the Cotati SMART station or a small professional building off La Plaza, that means the front desk key doesn’t open the back stockroom, but your master does. We build the system around a registered keyway (Medeco and Mul-T-Lock are the most common in Cotati), so keys can’t be duplicated at a hardware store. Every key is numbered, every keyholder is logged, and you approve any future copies. That’s key control, and it’s the part most Cotati businesses skip because nobody explains it. A typical master key system for a 6-to-10-door commercial space in Cotati runs $850 – $1,400, including the cylinders, pinned masters, and keyed-alike or keyed-different configurations, with the written price confirmed before we cut a single key.
Building for Multiple Doors
We start by mapping out every door and who needs access. The price depends on how many cylinders we’re pinning and whether the existing hardware is worth rekeying or should be replaced. Old Corbin or Russwin mortise bodies can often be repinned to a Medeco or Mul-T-Lock cylinder, which saves money versus full replacement.
Key Control and Future Expansion
The real value isn’t just “one key opens everything.” It’s that you can issue a key, revoke a key, and know exactly how many copies exist. If someone leaves, we rekey that door or cut a new change key. For Cotati tasting rooms and small offices with steady staff turnover, this matters every month. Call (409) 405-4485 and we’ll quote your building before anyone is dispatched.
Mortise Lock Replacement in Cotati
Mortise lock replacement in Cotati is our most common commercial repair, because so many storefronts here still have the original mortise bodies installed decades ago. A mortise lock is the rectangular lock case that slides into a pocket cut into the edge of the door. When the internal parts wear out, the cylinder spins without throwing the bolt, or the deadlatch won’t hold. You don’t always need a new lock body. Often the original ANSI Grade 1 body is still solid and only the cylinder or trim needs replacing. We’ll tell you straight, and the written price reflects exactly the parts being swapped. A mortise lock replacement in Cotati typically runs $180 – $420, with a new cylinder at $60 – $120 if the body is sound. If the entire body is shot, replacement with a modern Grade 1 unit (Baldwin or Schlage L-Series are common choices) runs $320 – $650 installed, including new trim and strike.
What We Check First
We inspect the lock body, cylinder, strike plate, and door alignment before quoting replacement. A mortise that just needs lubrication or tightening gets that. One that has sheared internal components gets replaced with hardware matched to your door’s existing prep, so we’re not carving new pockets into a vintage door on Old Redwood Highway.
Matching What’s Already There
If your building uses a master key system, the new mortise cylinder has to be pinned to that same system. We do that on-site, with a written price that includes rekeying the new cylinder to your keyway. No surprise second trip to “finish the job.”
Trusted Brands We Service in Cotati
We stock cylinders and parts for Schlage, Medeco, Kwikset, Abloy, and Mul-T-Lock, which covers nearly every commercial door in Cotati. If your storefront has an old Baldwin mortise or a newer Schlage lever set, we can service it the same day. Medeco and Abloy are our go-to recommendations for Cotati businesses that want restricted keyways and strong drill resistance, because those are the brands that actually hold up in the mixed-use buildings along Old Redwood Highway and near the SMART corridor. We keep common commercial hardware on the van, so a mortise cylinder swap or a panic bar repair doesn’t wait for a parts shipment from Sacramento.
Common Commercial Locksmith Problems We See in Cotati Homes
- Worn mortise locks on older storefronts. The original locks on buildings along Old Redwood Highway and La Plaza were installed 30 to 50 years ago. Daily traffic eventually shears internal parts, and the cylinder starts spinning without throwing the bolt.
- Teaser-price bait on lockouts. A Cotati business owner calls a national dispatch service, gets quoted $29, and then the tech arrives and says the “security cylinder” needs a $180 drill-and-replace. By then the lock is apart and the owner feels stuck. We quote the full price on the phone before anyone leaves the office.
- Drill-first lockout techs near the SMART station. A competent commercial locksmith should be able to open most pin-and-tumbler cylinders without destroying the lock. Drilling is a last resort, not a default. We attempt non-destructive entry first and tell you before drilling if it’s ever necessary.
- Master key requests that end in a pile of unmatched keys. A multi-door office asks for a master system but gets a handful of “same-looking” keys with no key control, no record of who holds copies, and no way to rekey just one door without redoing all of them. We build a registered system with numbered keys and documented holders.
Pricing for Commercial Locksmith in Cotati, CA
Here are the real numbers for Cotati, not a teaser rate. Commercial lockout service: $95 – $225, depending on time of day and lock type. Commercial rekeying: $25 – $45 per cylinder, with a standard 3-cylinder storefront running $75 – $135 total. Master key system setup: $850 – $1,400 for 6 to 10 doors. Mortise lock replacement: $180 – $420 for the lock body, or $320 – $650 if the entire unit needs replacement. Panic bar installation: $320 – $680 per door, including hardware and mounting. File cabinet lock replacement or rekeying: $45 – $120 per cabinet. Every quote is written before dispatch, and it’s the number on the invoice. No call-out surcharge added on arrival. Call (409) 405-4485 for an exact quote on your Cotati commercial space. Estimates are free.
We Also Serve Cities Near Cotati
Our commercial crews cover the surrounding area, including Rohnert Park, Petaluma, Santa Rosa, and Sebastopol. If you run a business just outside Cotati, the same written-price-first process applies. Our Commercial Locksmith service area includes all of these neighboring cities.
Serving Cotati, CA - Our Local Coverage Area
We’re based in the Cotati 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 Cotati
Yes. Every job gets a written price before the technician leaves the office. That means the number we quote on the phone for your Cotati storefront is the number on your invoice. No dispatch fee added at arrival, no upsell once the lock is apart. Call (409) 405-4485 and tell us what’s going on, and we’ll give you a firm quote you can screenshot.
Yes, and we do it regularly for the office and retail spaces around the SMART corridor. We map every door, assign key levels, and pin cylinders to a restricted keyway (Medeco or Mul-T-Lock are common). You get numbered keys, a keyholder log, and the ability to approve future copies. A typical 6-to-10-door system in Cotati runs $850 – $1,400. Call (409) 405-4485 for a walkthrough and written quote.
Not always. If the lock body is still sound, we can often replace just the cylinder or internal components, which runs $60 – $180. If the body is worn past repair, full replacement runs $180 – $420 for most Cotati storefronts. We’ll inspect before quoting, and the written price covers exactly what we’re doing. Call (409) 405-4485 and describe your door; we’ll tell you what to expect.
Most single-door Cotati storefronts are rekeyed in 20 to 40 minutes. A multi-door office or a building with high-security cylinders might take an hour to 90 minutes. The price includes all cylinders, new keys, and a written guarantee on the rekey. Call (409) 405-4485 and we’ll give you a time window and a firm price before we dispatch.
The person at your door will be wearing a Preston Locksmith & Security uniform, and you’ll have already received the tech’s name and photo in the booking confirmation. You also get a live arrival time you can track, so you see the van approaching in real time. That’s The Relay Visibility Guarantee. Call (409) 405-4485 and we’ll walk you through the same process.
Written by Kevin Yoon, Owner at Preston Locksmith & Security, serving Cotati since 2008.






