Lost Car Key Replacement 78721 (512)523-4550

Lost your car keys in 78721? Our mobile locksmith service specializes in fast car key replacement, ignition repair, and lockout assistance wherever you are. Whether it’s day or night, we bring the tools and expertise directly to you. From broken keys to key fob issues, we’re here to help drivers in 78721 get back on the road with minimal downtime. No need to tow your car—our mobile team solves your issue on the spot, reliably and professionally.


Car Key Replacement Services

Our car key replacement experts in 78721 provide mobile service for nearly every make and model. Whether you’ve misplaced your key, had it stolen, or damaged it, we can cut and program a new one on-site. We handle everything from mechanical keys to high-tech smart fobs—no dealership visit required.

We understand how stressful it is to be stuck without a working car key. That’s why we offer fast dispatch throughout 78721 and use dealer-level tools to create and program your new key accurately. See our Lost Car Key - What To Do? page for more details.

Car Key Duplication and Programming

Need an extra key in 78721? Our locksmiths provide mobile car key duplication for both traditional and smart keys. Whether you're looking for a backup or replacing a worn key, we can duplicate and program it on-site. We support most manufacturers including Toyota, Ford, Nissan, Hyundai, BMW, and others.

We clone chip keys, program remotes, and cut precision mechanical keys right from our mobile vans. This is perfect if you’re looking to avoid future lockouts or share access with a second driver. Learn about the different duplication options in our Complete Guide for Duplicate Car Keys.

Not sure what type of key you have? Check our Transponder Key Guide or visit What is Key FOB for insight into your vehicle’s system. Whether it's a standard ignition key or smart proximity fob, our team in 78721 can help.

Ignition Repair and Replacement

If your car key turns but nothing happens—or doesn’t turn at all—you may need ignition repair. Our locksmiths in 78721 fix ignition lock cylinders, ignition switches, and broken key extractions on-site. We can rekey or replace your ignition depending on the issue.

Learn more about common symptoms and how we fix them on our Ignition Repair and Replacement page. We work with both older and newer vehicle systems.

Transponder and Smart Key Services

Transponder keys and smart fobs are common in modern vehicles across 78721. If your car won’t start or recognize your key, we can reprogram or replace it. We use vehicle-specific tools to communicate with your onboard computer and create new transponder keys that work seamlessly.

Smart key push-to-start systems also fall under our service. We replace and sync new smart keys for most brands. Check our Transponder Key page to learn more about how your car’s security system works.

Remote Key Fob Repair and Replacement

If your remote fob no longer unlocks or starts your car, we offer fast repair and replacement options in 78721. Common issues include worn-out buttons, battery failure, or lost signal. We stock many fob types and can program a new one on-site if needed.

For a deeper understanding of how these work, visit our breakdown: What is Key FOB.

Proximity Keyless Entry System Assistance

Push-to-start not detecting your key? That’s often a proximity signal issue. We service advanced keyless entry systems in 78721 and can reprogram or replace the proximity fob. We also help diagnose weak signals and failed sensors that prevent your car from starting.

For an overview of proximity keys, see What is Keyless Entry Proximity Key?.

Pricing and Service Call Information


We offer fair, transparent pricing on all car locksmith services in 78721. Final cost is based on your vehicle’s year, system, and condition. A technician will always give you an exact quote for approval after assessing the situation on-site.

Service Type Description Price
Service Call Mobile dispatch and inspection in 78721 $29
Car Key Replacement Key cutting and chip/fob programming $90–$220
Transponder Programming Pair chip key with your vehicle’s system $70–$150
Ignition Repair Fix or replace faulty ignition cylinder $120–$250
Fob Replacement New remote key with programming $110–$240
Proximity Key Setup Replace or reprogram keyless entry fob $150–$350

Frequently Asked Questions

Can you make a new car key without the original?

Yes. We can cut and program a key based on your VIN or by decoding your door or ignition lock. This is common in 78721.

Do you offer 24-hour car lockout service?

Yes, our mobile locksmiths are on call 24/7 for emergency car lockouts, key replacement, and ignition help across 78721.

Which car brands do you work with?

We support most brands including Ford, Toyota, Chevrolet, Nissan, Lexus, BMW, Honda, Jeep, and Kia. Call us with your make and model.

How long does it take to replace a key?

Most keys can be replaced within 30 to 60 minutes. Proximity and smart keys may take slightly longer depending on the system.

Do I need to show proof of ownership?

Yes, we require a valid photo ID and registration or insurance card to verify ownership before making a new key in 78721.

Can you unlock a car door if the key is inside?

Absolutely. We provide non-damaging car door unlock services. See our guide: What To Do If Locked Out.

Do you repair keys or just replace them?

We do both. If your key is cracked, we can often repair it. If it’s beyond repair, we’ll replace it on the spot.

Can I supply my own key or fob?

Yes, but we can’t guarantee compatibility until we inspect it. We’ll test your key and let you know if programming is possible.

Is your mobile service extra?

No. Our mobile locksmith service in 78721 includes travel within the flat $29 service call fee.

What forms of payment do you take?

We accept cash, major credit cards, and digital payment apps for your convenience.

Conclusion

When you need fast, professional car key help in 78721, count on us. We serve all surrounding communities like Round Rock, Georgetown, Cedar Park, Leander, Buda, Kyle, Lakeway, Bee Cave, Hutto, Del Valle, and West Lake Hills.

Popular zip codes we serve include 78701, 78745, 78759, 78723, and more. Contact us at (512)523-4550 or email info@SR_DOMAINNAME.com for immediate service.

References

Services

AustinKeyReplacement skillful mobile vehicle lock-smith task force are serviceable 24/7 holidays and weekends rain or shine furnished with suitable bypassing module, lock rekeying and high security key cutter competent for all your locks, keys and ignition burdens.
Lost Car Keys
Whether you broke your last remote fobik key or lost your transponder, keyless entry or sidewinder flip key to your car, our auto lockman arrange car key replacement services 24hr...
Ignition Repair
We are ready 24 hours to bestow any ignition cylinder rekey, reprogram or replacement for any kind of automotive with certified hundred percent client delight...
Unlocking Car Door
Our automobile pop a lock service can help you out in unlocking every single type of SUV, truck, car or semi-trailer professionally eliminating damage to door frame, electric wiring, windows or the power locks...


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Chrysler 300C, Hyundai Elantra, Infiniti Q50, Nissan Juke, Mercedes, Scion iQ, Jeep Renegade, Lexus Ls400, Chrysler Minivan, Nissan 350Z, Honda Odyssey 2011 14 2020 99 16 98 2000 2009 01 09 15 1999 00 2001 2008 1998 2012 2015 2013 17 2007 11 2006 2014 2010 20 2019 02 2017 2005 03 06 18 19 07 2002 2004 2016 2003 08 10 12 05 13 04 2018 2011 14 2020 99 16 98 2000 2009 01 09 15 1999 00 2001 2008 1998 2012 2015 2013 17 2007 11 2006 2014 2010 20 2019 02 2017 2005 03 06 18 19 07 2002 2004 2016 2003 08 10 12 05 13 04 2018

Latest News

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About Us

What We Do

Austin Key Replacement is Austin Texas main source for 24 hour car key replacement services. Using advanced diagnostic tools we are able to deal with modern vehicle anti theft systems. Our extremely trained key made agents goal is to offer town fastest automotive locksmithing service. Instead of towing your vehicle to the dealer we cut down on prices and the waiting time on the long interminable line. All you need to do is pick up your smart phone or land line and call our office at (512)523-4550. Share basic information about your incident and our technician will come out to your juncture within 25 min.



License

A company in 78721, offering manipulation of locks must be a registered locksmith. At Austin Key Replacement we take your safety as a crucial and important entity of our future and success. Our agents are going through a process of Texas laws for your passengers and valuable protection. Our technician are checked for clean driving records, clean history and finger printing check. We are fully licensed, insured and bonded to perform any type of lock modification.



Local

Austin Key Replacement provides Austin Texas with rapid, regional and versatile key replacement service onsite in 78741, 78742, 78722 and 78712. Our goal is to carry our emergency key made services on demand. Near Govalle Playground, Tannehill Branch, American Medical Response of Texas, MetroCare Services Austin or Givens Park, we can assist within 25-30 minutes. If you want to duplicate car keys in Mlk, Oak Springs, East Austin, Johnston Terrace, Ed Bluestein neighbourhoods, we can also take appointments. Our auto replacement keys professionals will arrive equipped with all the equipment and experience required to complete the task onsite.


Coverage Area

78745 78653 78726 78751 78738 78724 78752 78602 78617 78725 78754 78722 78737 78733 78732 78757 78741 78742 78703 78633 78610 78719 78712 78704 78731 78702 78705 78728 78628 78701 78759 78665 78681 78748 78739 78753 78746 78758 78640 78723 78734 78736 76574 78730 78735 78729 78664 78717 78634 78626 78656 78756 78747 78641 78621 78749 78613 78744 78652 78721 78660 78727 78114 78750


Costs



Service Call 19 - 29

Car lockout 35 - 100

Lost Key Replacement 100 - 250

Ignition Repair 150 - 250

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