Smart locks
House lockouts
Re-keying
Deadbolt upgrades
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 Lomita
If you’re searching for car key replacement in Lomita, the typical job runs $95 – $240 for a transponder key cut and programmed in the field, and most calls in the 90717 zip code are handled same day. We drive into Lomita regularly from nearby, so response time to neighborhoods off Narbonne Avenue, Western Avenue, and around Lomita Park usually runs under an hour. Call (866) 497-9415 and we’ll give you the full price before anyone rolls out.
Lomita is a small city, about 1.9 square miles, which works in your favor when a key situation goes sideways. We know the streets, the housing patterns, and what those older bungalow doors do to modern lock hardware. That local knowledge means fewer return visits and fewer surprises on the invoice.
Why Greystone Locksmith Is Lomita’s Preferred Car Key Replacement Company
Greystone Locksmith works on the lock in front of us, not just the brands we prefer. For Lomita residents that matters, because this city has a lot of pre-war and mid-century housing stock with original hardware that a generic automotive-only locksmith would not recognize. We pair car key programming with the residential lock work those same homes usually need in the same visit.
Gil Tanner runs our team, and he built Greystone around one idea: a locksmith who knows automotive chips and high-security residential deadbolts equally well is more useful than a specialist who only does one thing. Lomita’s mix of aging bungalows, salt air, and old gate locks plays right into that. When a customer off PCH calls about a dead transponder key and also mentions the back gate skeleton key has not turned in months, we handle both on one truck roll.
Our Lomita customers routinely tell us two things: the phone quote matched the invoice, and the tech did not have to borrow a part or come back a second day. That is the standard we aim at every time. We carry transponder blanks, programmer tools, and strike plate hardware on the truck, so a job in Lomita gets done the first visit.
Styles & brands we work with







Our Car Key Replacement Services in Lomita
Car Key Replacement is more than cutting a blade, especially in a city like Lomita where older cars and older homes are the norm. Here is what we actually do on a typical Lomita call:
Transponder Key Cutting and Programming
Most cars built after 1999 use a transponder chip embedded in the key head. The blade can be cut to fit, but unless that chip is programmed to the vehicle’s immobilizer, the engine cranks and never catches. In Lomita, we see a high number of Toyotas, Hondas, and older Fords, and those systems have quirks we know cold. A transponder key cut and programmed at your driveway in Lomita runs $95 – $180 for standard makes, higher for proximity-style smart keys.

Rekey of Mortise and Skeleton-Keyed Gate Locks
Here’s the uniquely Lomita part. Many pre-war bungalows and even some 1960s apartments in Lomita still carry original mortise locks on the front door and skeleton-keyed gates in the back. That old gate lock is often not wired into anything, but it protects your yard and your back door. We rekey those mortise bodies and gate locks so a single new key controls what should be the same access point. Lomita homes with a detached garage accessed by an old skeleton-keyed side gate are a classic two-for-one scenario for us.

Lock Cylinder Replacement for Salt-Corroded Exterior Hardware
Lomita’s marine layer and proximity to the Palos Verdes foothills means airborne salt. Exterior lock cylinders on gates, garage side doors, and even car door locks pit and seize faster than inland. We replace worn cylinders when rekeying would just put a fresh key into a dying lock. Sometimes the old cylinder can be cleaned and reused; Gil’s rule is we tell you which is honest and which is waste.

Ignition Wafer Inspection and Replacement
High-mileage cars are common all over Lomita, and worn ignition wafers cause a freshly cut transponder key to read intermittently. The car will start once, then fail an hour later. We inspect the ignition cylinder before calling the job done. If a wafer swap is needed, it is done on-site and the key is re-verified. That distinction is the difference between a warranty callback and a finished job.

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.
Trusted Brands We Service in Lomita
We work on eight major lock brands, but in Lomita the most common transponder and mechanical key systems we touch are Kwikset, Yale, Baldwin, and Medeco. For homes with upgraded security, Medeco and Baldwin hardware appears often enough that we stock their cylinders and key blanks on the truck. For everyday front doors, Kwikset rekey kits and Yale mortise cases are the bread and butter. We do not farm out automotive work, and we do not guess at a brand we have not been certified to service. If your Lomita home still has its original Baldwin mortise lock from the 1950s and a new car key in your pocket, we can likely set up both to match.
Common Car Key Replacement Problems We See in Lomita Homes
- Salt-pitted transponder cylinders: The marine layer off the Palos Verdes foothills deposits salt on exterior keyways. Even car door locks parked outside a Lomita bungalow get a gritty, stuck feel. We open, clean, and often replace the cylinder rather than just hitting it with graphite and hoping.
- Worn ignition wafers on high-mileage daily drivers: Commuters who bought their bungalow years ago still run the same Honda or Toyota. A new transponder key cuts fine but the chip reads only sometimes. We check the ignition wafers before programming is considered complete.
- Original 1-3/8-inch door slabs with tired mortise locks: These thin doors twist with humidity and age. A new lock cylinder will not seat if the strike plate has drifted. We repair the jamb and align the plate, then cut the key to the rebuilt lock.
- Skeleton-keyed back gate frozen by salt air: The same gate key your home came with decades ago can seize completely. We extract the old cylinder, rekey or replace it, and cut a key that finally matches the front door. One keyring, no more juggling.
Pricing for Car Key Replacement in Lomita, CA
Here is what you should expect to pay in Lomita’s market based on the work we actually do. A standard transponder key cut and programmed at your home runs $95 – $180. A proximity or smart key with push-button start runs $180 – $320. Rekeying a mortise lock or a skeleton-keyed gate cylinder runs $65 – $120 per lock, including the new key cut. If we are replacing a salt-corroded cylinder outright, add $35 – $75 for the hardware itself. We quote the full price on the phone before dispatch, and there is no call-out surcharge tacked on after we arrive. The price you hear is the price on the invoice.
Call (866) 497-9415 and describe your car, the key you have (or lost), and whether there is an old exterior gate or door involved. You’ll get an honest range, not a bait price.
We Also Serve Cities Near Lomita
Our service area reaches beyond Lomita into Torrance, Rolling Hills Estates, West Carson, and Manhattan Beach. Many of our Lomita calls come from customers who already know us from neighboring cities. The same pricing model applies everywhere: honest phone quote, no surprises on arrival. If you are on the Lomita-Torrance border near 234th Street or down toward Hamilton, you are still in our regular coverage area.
Serving Lomita, CA — Our Local Coverage Area
We’re based in the Lomita 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 Lomita
Yes. We fix both in the same truck roll. Many Lomita homes with detached garages and older gate hardware have a skeleton-keyed gate that has not worked in years. We program the new car key, then free or rekey that gate cylinder, and often cut both to work off one new key if the hardware allows. Call (866) 497-9415 and tell us about the gate when you call; it helps us bring the right cylinder.
That grittiness is salt and fine dust from the coastal marine layer. Lomita sits close enough to the ocean that airborne salt settles into exterior keyways and moving lock parts. Over a few years it pits the wafer springs inside the cylinder. A simple cleanout can help short term, but if the wafers are corroded we recommend replacing the cylinder rather than risking a key that snaps off in a frozen lock. A trained professional should handle this, not a can of spray lubricant, because a broken key blade inside a seized cylinder is a much costlier repair.
No. A transponder key is not like a door lock; there is nothing to rekey. The key blade is cut to match the ignition cylinder’s wafers, and the chip is programmed separately to the car’s immobilizer. What we can do is inspect the ignition for wear and adjust the key cut if it is reading weakly. If the blade is worn, a fresh key cut from the factory code often solves a sticky ignition. If the chip is dead, replacement is the only option. We will tell you which situation you have before any work is done.
No, and this is a common mix-up. A car key has nothing to do with a house lock. But the deeper answer matters for Lomita homeowners: those original mortise lock cylinders can be rekeyed to accept a new house key, and often we cut that new house key to match a newly rekeyed gate so you are not carrying separate keys. If the mortise body itself is worn beyond a simple rekey, we will show you the slop in the cylinder before recommending replacement. No lock gets drilled unless there is no reasonable alternative.
You do not, if you call a budget operator who carries one drill bit and no key programmer. We make a different promise: we carry the tools to open and decode most cylinders without destructive entry, and we tell you upfront if drilling is the only path. For car lockouts, we use long-reach tools and air wedges before anything touches a drill. For older Lomita mortise locks, a skillfully picked lock is almost always cheaper than a drilled and replaced one. Ask the dispatcher to walk you through the non-destructive options before you agree to a visit. Estimates are free; call (866) 497-9415.
Call Greystone Locksmith for Car Key Replacement in Lomita
When every minute counts, you want a team that is already prepared. We stock transponder blanks and replacement cylinders for Lomita’s older homes, and we know the salt-air problems that show up on this side of the Palos Verdes foothills. Call (866) 497-9415 now for a free estimate. We will quote the full job on the phone – no dispatch fee added later, no pressure. A real person answers, and Gil’s team is ready to roll into Lomita.
Written by Gil Tanner, Owner at Greystone Locksmith, serving Lomita and the surrounding South Bay communities with field-based car key replacement, rekeying, and emergency locksmith service.