The Crosby Car Keys
NASTF Certified for High-Security Vehicles
Licensed, bonded, and NASTF-certified. Serving The Crosby near Del Dios Hwy & The Crosby entrance in Rancho Santa Fe.
KEYZ

Car Key Locksmith in The Crosby
Leaving for vacation tomorrow. Two cars sitting in a Crosby driveway and only the Highlander has a spare key. The Pilot's single proximity fob is the only thing between your family and a $400 all-keys-lost call from whatever dealer happens to be closest to your hotel. A Crosby resident scheduled me last June before a Mammoth trip. I drove out to Bing Crosby Boulevard with a Condor XC-Mini and a blank proximity shell, cut the emergency blade, synced the transponder through the diagnostic port, and handed a working backup to him while the suitcases were still going into the car.

TRANSPONDERS, FOBS & SMART KEYS
Spare & Duplicate Keys
Before you leave, get your Highlander a cloned spare. $145-$185 now saves $350 later at a dealer in a city you don't know. I cut the blade on a Condor XC-Mini and register the 4D transponder chip to the immobilizer at your Crosby driveway. Fifteen minutes, one visit, one less thing on the pre-trip list.
Push-to-Start / Smart Key
Before you leave, get your Pilot a second proximity fob. $245-$325 now saves $450 later at a Honda dealer three states away. The push-to-start system won't recognize a blank shell until the immobilizer handshake is completed through the OBD-II connector. I verify the backup blade turns the ignition manually too, because a dead fob battery at a gas station shouldn't strand your family.
Key Fob Programming
Before you leave, get that online fob you bought for your RAV4 actually paired. $165-$215 now saves the hassle of finding out it's dead weight on the road. I check the fob frequency first. If it's the wrong match or a bad clone, I'll tell you before you spend a dollar.
Transponder Key Programming
Before you leave, get your Outback a programmed backup key. $145-$185 now saves $375 later at a Subaru dealer two time zones from home. The Outback's immobilizer doesn't care about blade shape. It cares about the encrypted signal from the transponder, and a hardware store blank sends nothing. I cut on the Dolphin and sync the chip at the vehicle's data port near The Crosby Club.
Cars We Service
We cut and program keys for all makes and models, from everyday sedans to luxury vehicles. Mobile service at your location.
Don't see your car? We handle every make and model.
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We Replace Keys for These Brands
All makes and models · 1995–2027
What Rancho Santa Fe Customers Say
"Needed a replacement master key with transponder chip for my 2005 Taurus. Marco responded quickly, quoted a fair price, and handled the job flawlessly. He's a mobile 1-man operation with 15 years in business."
Ron G."Marco was the best locksmith I've ever dealt with. I had a replacement fob programmed for my mom's car. Extremely fair rate and very pleasant to deal with. Rare qualities for a locksmith."
Max Parker"The dealership quoted over $500 for a new key fob. EZ Keyz quoted less than half. They got to my home 15 minutes after I called and had it completed in less than 15 minutes. Very friendly, great service."
Patrick S.
Other Rancho Santa Fe Neighborhoods
We serve every neighborhood in Rancho Santa Fe and surrounding cities across San Diego. Wherever you are, our mobile locksmith comes to you.
Watch Us Work
See how we cut and program keys on the spot.

Need a Key in The Crosby? Call Now.
We drive directly to Del Dios Hwy & The Crosby entrance. ETA: 25-30 min.






































