Car Key Replacement San Antonio

Car Key Replacement Locksmith San Antonio

S.A. Locksmith & Security is San Antonio’s trusted car key replacement specialist serving San Antonio, Texas and surrounding areas including Alamo Heights, Stone Oak, The Dominion, Helotes, Converse, Schertz, Cibolo, New Braunfels, and Boerne. Lost your car key? Need a spare? We replace and program all types of car keys — traditional metal keys, transponder keys, smart key fobs, and high-security keys — for every make and model. 24/7 mobile service at a fraction of dealer cost. Call (210) 348-3677.

Licensed (LIC# B18010), insured, and BBB A+ rated, S.A. Locksmith & Security has been serving San Antonio since 2009. We back all work with a 90-day warranty on parts and labor plus manufacturer warranty on all hardware. Our no-damage guarantee means your vehicle is always safe in our hands. With response times under 20 minutes throughout San Antonio, we’re your fastest alternative to the dealership — at a fraction of the cost.

What We Do

S.A. Locksmith & Security provides comprehensive car key replacement for all vehicle makes and models in San Antonio. Whether you’ve lost all your keys, need a spare, or have a damaged key, our mobile locksmiths come to your location equipped with key cutting machines, transponder programmers, and smart key programming tools. We handle metal keys, transponder chip keys (4C, 4D, 46, 48, ID49, Megamos), smart proximity fobs, flip keys, and high-security laser-cut keys. We service Ford PATS, GM Passlock/PK3+, Toyota G/H chip, Honda, Nissan, BMW CAS/FEM, Mercedes EIS, Audi VAG IMMO, and all other immobilizer systems.

How It Works

Step 1: Contact Us — Call (210) 348-3677 with your vehicle year, make, and model. We provide an instant quote.
Step 2: Mobile Dispatch — Our locksmith arrives at your location with all equipment — home, work, or roadside.
Step 3: Key Cutting & Programming — We cut your new key by code or from the lock, then program the transponder/smart key to your vehicle's immobilizer.
Step 4: Testing — We test the new key to ensure it starts the engine, locks/unlocks all doors, and the immobilizer accepts it.

Vehicles We Service

Every make and model — Ford, Chevrolet, GMC, Toyota, Honda, Nissan, Hyundai, Kia, BMW, Mercedes-Benz, Audi, Lexus, Volkswagen, Subaru, Mazda, Jeep, Dodge, Chrysler, Ram, Cadillac, Buick, Lincoln, Jaguar, Land Rover, Porsche, Volvo, Mini, Mitsubishi, Infiniti, Acura, Saturn, Pontiac, Mercury, Oldsmobile, Hummer, Scion, Smart, and more.

Why Choose S.A. Locksmith & Security?

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Frequently Asked Questions

How much does car key replacement cost?

Standard metal keys cost $30-$80. Transponder keys run $120-$280. Smart key fobs cost $200-$550. Call (210) 348-3677 for your exact quote.

Can you replace a car key if all keys are lost?

Yes. We specialize in all-keys-lost situations. We can originate new keys from scratch for most vehicles.

Is a locksmith cheaper than the dealer for car keys?

Yes, typically 30-50% less with same-day mobile service and no towing required.

How long does car key replacement take?

Most car key replacements take 20-60 minutes on-site. Smart key and all-keys-lost situations may take up to 90 minutes.

Do you make keys for older cars?

Yes. We cut and program keys for vehicles from the 1990s through current models.

Request a Locksmith

S.A. Locksmith & Security is a full-service, 24/7 locksmith located in San Antonio serving the greater SA area. No project is too big or too small.

📞 (210) 348-3677

We Accept All Major Credit Cards

Note: Pricing and availability may vary. Smart key programming requires professional equipment. Some services may require vehicle VIN verification. All work is backed by our 90-day warranty on parts and labor and manufacturer warranty on hardware. S.A. Locksmith & Security — Licensed (LIC# B18010), Insured, BBB Accredited (A+ Rating). 11401 West Ave, San Antonio, TX 78213. All brand names, logos, and trademarks are the property of their respective owners. S.A. Locksmith & Security is an independent locksmith service provider and is not affiliated with any automobile manufacturer or dealership. 10% Military & Veteran Discount — show valid military ID at time of service.

Need Car Key Replacement in San Antonio?

Contact S.A. Locksmith & Security for professional service. Licensed, insured, and available 24/7.