House lockouts
Re-keying
Deadbolt upgrades
Smart locks
Schlage
Kwikset
Car keys & fobsNon-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.
Get your free estimateFast, Reliable Car Key Replacement Across Cotati
Losing or breaking your car key in Cotati is different than in bigger Bay Area cities. Our answer is direct: we cut and program replacement car keys on-site in Cotati, usually within the same day you call. We handle transponder keys, key fobs, and plain metal keys for most makes and models, and we come to you, whether you’re parked off East Cotati Avenue or stuck in a driveway on a residential street near La Plaza Park. Call (877) 265-4385 and Noel will tell you exactly what we can do and what it will cost before anyone heads your way.
Cotati’s compact layout means we can reach most addresses in minutes, not hours. Whether you’re near Sonoma State University, downtown on Old Redwood Highway, or tucked into one of the 94931 neighborhoods east of Highway 101, we know these streets. More importantly, we know what these cars and these doors throw at people.
Why Cypress Lock & Key Is Cotati’s Preferred Car Key Replacement Company
We’re not a call center that dispatches a stranger. Cypress Lock & Key is led by Noel Carver, and when you call about a car key problem in Cotati, you’re talking to the person who understands what that actually means here. We’ve worked on enough cars and doors in Cotati to know that the 1960s ranch on a quiet street off E. Cotati Ave presents a different problem than a newer condo building near the SMART station.
Our Car Key Replacement work in Cotati has earned us a reputation for two things: showing up when we say we will, and quoting a price that matches the invoice. That matters because Cotati residents talk. The other locksmith that advertises a $19 service call and then adds fees on the driveway doesn’t last long here. We quote the full price on the phone before dispatch. No call-out surcharge on arrival.
Noel and the team carry programming equipment for the common transponder systems in the cars Cotati residents actually drive: Ford, Chevy, Toyota, Honda, Nissan, Subaru, and others. If your car takes a chipped key, we don’t send you to a dealership. We come to Cotati and handle it on the spot.
Styles & brands we work with







Our Car Key Replacement Services in Cotati
Different cars need different keys, and Cotati’s mix of older commuter sedans, trucks, and the occasional newer model means we see the full range. Here’s what we handle most often:
Transponder Key Cutting and Programming
Most cars on Cotati roads from about 2000 onward use a transponder chip in the key head. We cut the blade to match your ignition and door, then program the chip to your car’s immobilizer. We do this on-site, in your driveway or parking spot, not in a shop across the county. If you live near the Cotati Creek Critters trail or off Gravenstein Highway, that’s where we meet you.

Key Fob Replacement and Programming
Lost or dead fob? We supply and program replacement fobs for a wide range of vehicles. Some fobs require the car to be present; some we can program with the fob alone. We’ll tell you the difference when you call. In Cotati’s older apartment buildings around 94931, a lost fob sometimes also means dealing with a building gate or garage remote, so we’ll ask about that up front.

Broken Key Extraction
A key snapped in the door or ignition is common in Cotati, especially in winter when damp weather swells the wood around older door frames and residents force the key harder than they should. We extract broken blades and key fragments without damaging the cylinder, then cut and program a fresh key. If the break happened because the lock itself is failing, we’ll tell you that too before you spend money on a key that won’t work.

Duplicate and Spare Keys
Don’t wait until you’re down to one key. We cut duplicates for most vehicles, including clones for transponder systems, so you have a spare that actually works. For Cotati renters and condo owners, this is smart: a working spare costs a fraction of an emergency call when the only key is sitting on the kitchen counter and you’ve locked yourself out.

What happens when you call
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A real person answersNo phone trees — you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Cotati
Our automotive key work extends beyond standard metal blanks. We regularly work with vehicles using transponder systems from Baldwin hardware and high-security keyways, drawing on the same expertise that lets Cypress Lock & Key service Mul-T-Lock, Baldwin, and Abloy residential and commercial locks. If your Cotati apartment building or business uses restricted keyways, we understand the key-control verification process that comes with those systems. That’s rare for a locksmith that also does car keys, and it’s why property managers in Cotati call us for both.
Common Car Key Replacement Problems We See in Cotati Homes
Cotati’s specific mix of housing age and seasonal weather creates a predictable set of car key problems. We see these every week:
- Frozen mortise thumb-turns on original 1950s – 1970s front doors. In the older neighborhoods around downtown Cotati, many front doors still carry original mortise locks with skeleton-style keys. The interior thumb-turn is often frozen from decades of disuse, which means residents can’t get in even when they have the key. We free the mechanism non-destructively and often rekey the cylinder so the old, worn key isn’t the weak link anymore.
- Keys snapped in door locks after winter rain. Cotati’s wet winters swell wooden doors around original mortise locks. When a resident tries to force a stuck key, the blade snaps off in the cylinder. We extract the fragment without drilling the lock, then cut a fresh key that works in the existing cylinder.
- Transponder keys bent or broken in car door locks during dry summer months. Summer dryness shrinks door frames and misaligns strikes, which makes car and house keys bind. We regularly extract bent transponder keys from car door locks in Cotati and then cut and program replacements on the spot.
- Restricted keyways in older Cotati apartments and condos. Some older Cotati apartment buildings use restricted keyways and master key systems. A lost car key that’s also tied to a building system requires verification through the property manager before we can cut a replacement. We walk you through exactly what’s needed.
Pricing for Car Key Replacement in Cotati, CA
A standard transponder key replacement in Cotati typically runs $180 to $340, including cutting and programming. Basic metal keys without a chip run $25 to $75. Key fob replacement starts around $150 and can reach $400 for newer push-to-start vehicles. Prices vary by make, model, and year, but we give you the exact number on the phone before anyone is dispatched. If a broken key needs extraction, we’ll quote that as a separate line item so there’s no surprise on the invoice.
The number Noel quotes over the phone is the price you pay. No call-out surcharge added on arrival. We’d rather have Cotati customers who call us again than win a single overpriced job and lose the neighborhood.
We Also Serve Cities Near Cotati
Car Key Replacement in Cotati is our home base for Sonoma County, and we regularly drive out to Rohnert Park, Penngrove, Petaluma, and Kenwood for the same on-site key cutting and programming. If you’re in one of those towns and need a key today, call (877) 265-4385. We’ll tell you straight up when we can get there and what it’ll cost.
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 – Car Key Replacement in Cotati
Yes, we do this regularly. Downtown Cotati apartments and older buildings often have original mortise locks on unit doors, and we use non-destructive entry methods to get in without drilling or damaging the door, frame, or lock body. We then cut and program your replacement car key on-site. If the building uses a restricted keyway or master system, we’ll coordinate with your property manager for verification before cutting anything. Call (877) 265-4385 and we’ll walk through the specifics of your building.
Stop forcing it. Winter damp in Cotati swells wooden doors around original mortise locks, and forcing a stuck key will snap the blade off in the cylinder. Spray a dry lubricant into the keyway, wiggle gently, and if it doesn’t release, call (877) 265-4385. We’ll extract the key without damaging the lock and can rekey or repair the cylinder if it’s binding from age.
Yes, with the right authorization. Some older Cotati apartment buildings use restricted keyways where blanks aren’t sold to the general public. We hold common restricted keyway blanks and can cut and program replacements, but most buildings require written authorization from the property manager or landlord first. That protects every unit in the building, and we won’t skip the step. Call (877) 265-4385 and we’ll explain exactly what your building needs.
Yes, we come to you. Broken transponder keys in ignitions are common in Cotati, especially when the blade has been weakened by years of use or a tight door lock. We extract the broken piece from the ignition, cut a fresh key from the existing code or by sight, and program the transponder chip on the spot. We handle this same-day in most Cotati neighborhoods. Call (877) 265-4385 for a quote and our current response time to your location.
Cotati’s mild, wet-winter/dry-summer climate causes seasonal lock and key problems in ways we don’t see in more inland Sonoma County towns. Winter damp swells wooden doors and frames, making keys bind and break in door locks. Summer dryness shrinks frames and misaligns latch strikes, which means residents force keys harder and bend or snap transponder blades. We adjust our approach by season and we stock extraction tools and key programming gear in our Cotati-bound vehicles year-round. If a seasonal moisture problem is behind your broken key, call (877) 265-4385 and we’ll sort it out.
We recently handled a car key replacement for a resident on a ranch-style street near downtown Cotati. The front door still had its original 1960s mortise lock with a frozen thumb-turn. The homeowner had lost their only car key. We used non-destructive entry to get them inside without damaging the door, then cut and programmed a new transponder key on-site. While we were there, we rekeyed the mortise lock cylinder so the old skeleton key wouldn’t be a problem anymore, giving them one key for both car and house.
If you’re in Cotati and down to your last key, call (877) 265-4385. Noel will quote you the full price before we roll, and that’s the number on your invoice.
Written by Noel Carver, Owner at Cypress Lock & Key, serving Cotati and Sonoma County.