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 Larkspur
Car key replacement in Larkspur typically runs $120 – $320 for a standard transponder key and $180 – $450 for a full fob or smart key, with most jobs done in under an hour once we’re on site. We serve the 94939 and 94977 zip codes, including the downtown corridor along Magnolia Avenue and the residential streets rising toward Madrone Canyon and Baltimore Park. If you’ve lost a key, snapped one in the ignition, or need a spare before handing one off to a house sitter or tenant, call us at (877) 265-4385 and we’ll give you a straight quote before anyone is dispatched.
We know Larkspur’s housing stock because we work on it constantly. The early-20th-century bungalows and Craftsman homes here don’t have the uniform hardware you’ll find in newer Corte Madera developments. Many still carry original mortise cylinders and single-cylinder deadbolts that need careful matching, not a quick swap. That local knowledge matters when you’re standing in a driveway on Magnolia or up near the Larkspur Ferry Terminal with a key that won’t turn.
Why Cypress Lock & Key Is Larkspur’s Preferred Car Key Replacement Company
Noel Carver founded Cypress Lock & Key around a simple idea: work on the lock and the key that are already there, and do it without sending you to three different shops. That’s what we do in Larkspur. Our technicians service eight lock brands across residential, premium, and high-security lines, from Kwikset and Schlage through Baldwin, Yale, Sargent, Medeco, Mul-T-Lock, and Abloy. When a Larkspur customer’s 1930s bungalow still has its original mortise lockset, we actually know what to do with it. Most locksmiths will tell you to replace the hardware. We’d rather fix it and keep the house’s character intact.
We also handle Car Key Replacement alongside traditional locksmith work, which means one call covers the key, the lock, and the door it’s going into. No dealership runaround. No separate locksmith for the deadbolt. That’s the whole point.
Response to Larkspur runs around 30 to 45 minutes for most residential and commercial calls. We’re not promising exact to-the-minute arrival, but we carry a full mobile kit and stock common blanks and transponder chips so we aren’t driving back to a shop while you wait on the curb. When a resident near Piper Park calls at 9 p.m. with a snapped key, we know the streets, we know the parking, and we know the hardware waiting in the door. That speed matters less than doing the job right once we’re there, but it helps to know someone’s actually coming.
Styles & brands we work with
Our Car Key Replacement Services in Larkspur
Transponder Key Programming
Most cars built after 2000 use a transponder chip embedded in the key head. Without that chip programmed to your vehicle’s immobilizer, a cut key will turn in the ignition and do absolutely nothing. We carry the programming equipment to pair a new transponder key on-site in Larkspur. A standard transponder key for a Larkspur sedan or SUV typically runs $120 – $220, including the key, cutting, and programming. If you’ve got an original key and want a single spare, that’s the range you’re looking at.
Key Fob and Smart Key Replacement
If your Larkspur car uses a push-button start or a fob with remote entry, you’re in a higher tier. Replacement fobs and smart keys run $180 – $450 depending on the vehicle make and whether it’s an aftermarket or OEM unit. We’ll tell you the price over the phone before anyone heads your way. No call-out surcharge added when we arrive. The number we quote is the number on your invoice.
Non-Destructive Entry
Locked yourself out on Magnolia Avenue or over near the Larkspur Library? We open vehicles without breaking windows or damaging door panels. That’s a basic expectation, but it’s also a promise. We use adjustable tools and air wedges, not pry bars. For Larkspur’s condo and apartment residents, this matters even more. You don’t own that door. Your freeholder does. We get you back in without leaving a mark that has to be repaired on your deposit.
Rekey After Key Replacement
Here’s something we recommend to every Larkspur customer when a car key goes missing: rekey your home locks too. If your car key was on the same ring as your house key and that ring is now gone, whoever finds it might also have access to your front door. Rekeying a standard deadbolt in Larkspur runs $75 – $125 per cylinder. We rekey Schlage, Kwikset, Baldwin, Yale, and high-security brands like Medeco and Mul-T-Lock. It’s the cheapest security upgrade you’ll make after a lost key, and we can do it during the same visit.
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.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Larkspur
We regularly service Baldwin hardware on the older Craftsman front doors throughout Larkspur’s residential streets, and we pull Mul-T-Lock and Abloy cylinders out of the commercial and multi-tenant buildings around downtown. Those names mean something to property managers and freeholders who need key control, not just a working lock. We stock common blanks and service parts in our mobile units, so a Baldwin mortise cylinder replacement on Magnolia Avenue doesn’t turn into a three-day parts wait. Our Car Key Replacement in Larkspur work sits right alongside this hardware expertise. The key and the lock have to work together.
Common Car Key Replacement Problems We See in Larkspur Homes
- Clay-settled doors that bind after a fresh key is cut. Larkspur’s clay-rich soil has shifted many original wood-framed doors in the downtown core over decades. A correctly cut transponder key or new lock cylinder often still won’t throw cleanly because the strike plate has moved. Residents assume the key is wrong. It’s usually the frame.
- Wet-season swelling that warps sills and misaligns cylinders. Larkspur sits in the sheltered Ross Valley where damp winters and cool, foggy summers cause wooden door frames to swell. A rekey that worked perfectly in October can bind by January on the same multi-tenant entry door.
- Restricted-key systems on historic buildings. Many downtown Larkspur storefronts and legacy apartment buildings use non-standard cylinders with restricted keyways. A copied key cut on the wrong blank doesn’t just fail to work. It creates a building-wide key control problem. We cut restricted keys correctly using authorized blanks.
- Original mortise locksets on early-20th-century homes. Larkspur’s Craftsman bungalows often still have their original mortise locks. These aren’t simple swap-outs. They require specialized replacement parts and careful retrofit work. Most locksmiths won’t touch them. We do.
One recent call sticks with us. A resident in the Magnolia Avenue downtown core called after a fob replacement left her condo’s entry door binding. The clay-settled frame had shifted the strike plate so the deadbolt wouldn’t seat. We performed non-destructive entry, replaced the transponder key, then re-keyed the existing Schlage cylinder and adjusted the strike plate so the door threw cleanly without planing. She kept her freeholder’s original door and hardware intact. That’s the job done right.
Pricing for Car Key Replacement in Larkspur, CA
Here are the numbers we quote for Larkspur, honest ranges so you know what to expect before you call:
| Service | Typical Larkspur Price Range |
|---|---|
| Standard transponder key (cut + programmed) | $120 – $220 |
| Key fob with remote entry | $180 – $350 |
| Smart key / push-to-start fob | $250 – $450 |
| Non-destructive vehicle entry | $75 – $150 |
| Rekey existing home deadbolt (per cylinder) | $75 – $125 |
These are what we charge. No dispatch fee added on arrival, no inflated labor if the job takes forty minutes instead of twenty. The price Noel Carver gives you on the phone is the price on the invoice. If we find something unexpected, like a second lock that needs attention, we tell you before we do the work and you approve it first. Call (877) 265-4385 for a free estimate on any of this. It takes three minutes.
We Also Serve Cities Near Larkspur
Our service area covers Larkspur and the surrounding Ross Valley communities, including Corte Madera, Kentfield, Ross, and Mill Valley. If you’re just over the town line in Corte Madera or up the road in Kentfield, we’re already working in your neighborhood. The same technician, the same phone number, the same honest pricing.
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 – Car Key Replacement in Larkspur
Yes. We perform non-destructive entry using air wedges and adjustable tools, never pry bars or damaged trim. We’ve opened units in downtown Larkspur condos and apartments on Magnolia Avenue, near the Ferry Terminal, and throughout the 94939 zip code without leaving a mark on a door, frame, or lock. The property owner never has to know we were there, because there’s nothing to repair afterward. Call (877) 265-4385 and we’ll walk you through what to expect before we arrive.
The key isn’t the problem. Larkspur’s clay-rich soil has settled many original wood-framed doors in the historic downtown core, shifting strike plates and throwing lock cylinders out of alignment. A freshly cut transponder key or new cylinder often won’t throw cleanly until the strike plate is adjusted or the door is planed. We see this every rainy season, and it’s a distinctly Larkspur problem. Corte Madera’s strip-mall doors don’t do this.
Yes. We service restricted-key and master key systems on multi-tenant buildings throughout Larkspur, including legacy cylinders on historic downtown storefronts that use non-standard keyways. We cut restricted keys on authorized blanks, not copies that create building-wide key control problems. If you’re a freeholder or property manager with a key system to rework, call (877) 265-4385 and we’ll schedule a proper survey with a written scope and flat per-lock pricing.
We typically arrive in Larkspur within 30 to 45 minutes for residential and commercial calls, including the downtown Magnolia Avenue core and the surrounding streets. That’s our standard run time, not a guarantee, but we know the area well enough to deliver on it most days. When you call (877) 265-4385, we’ll give you a realistic arrival window based on where our nearest mobile unit is at that moment.
We service Schlage, Kwikset, Baldwin, Yale, Sargent, Medeco, Mul-T-Lock, and Abloy. For Larkspur’s Craftsman-era homes, that matters because many still carry original mortise locksets and skeleton-key deadbolts that need specialized parts, not a trip to the hardware store. We’ll match your existing hardware, not pressure you into replacing it. Call (877) 265-4385 with the make and model if you know it, and we’ll tell you exactly what a repair or rekey will cost.
Written by Noel Carver, Owner at Cypress Lock & Key, serving Larkspur and the Ross Valley since founding the company with a focus on full-spectrum locksmith work across residential, automotive, and high-security systems.