Car Key Duplication in San Antonio
Trusted Car Key Duplication
Get fast, precise car key duplication and replacement on‑site. Our licensed, insured technicians serve San Antonio drivers with reliable solutions and same‑day service.

Key Duplication
We provide precise key duplication services for a variety of vehicle types. Whether it's a standard or a high-security key, we ensure a perfect match every time, enabling quick access and peace of mind for our customers.

Transponder Keys
Our team specializes in programming transponder keys for various makes and models. We have the tools and expertise to ensure your vehicle's security system is correctly paired with the new key, offering you reliable access.

Key Fob Replacement
If your key fob is lost or damaged, we can provide quick replacements. We understand the importance of your fob and ensure it is programmed correctly, allowing you to get back on the road without delay.
Our Work Process
Initial Contact
Reach out to us via call or text. We’ll discuss your key duplication needs and answer any questions you have.
Key Duplication
After gathering information, we’ll create an exact copy of your key on-site, ensuring it works perfectly.
Final Check
Once the duplication is done, we’ll test the new key to confirm it operates just like the original.
Why Choose 3H Auto Lock & Key
When it comes to car key duplication in San Antonio, experience and precision matter. At 3H Auto Lock & Key, every service call is handled by a licensed, insured professional who knows modern vehicle security systems inside and out.
Certified Technicians
Our team is trained in advanced key programming and duplication for all major car makes and models. We guarantee perfect pairing every time.
On-Sight & Same Day Services
No towing or waiting days for dealership appointments. We come to you anywhere in San Antonio to duplicate or replace your key on the spot.
Six-Month Warranty
All replacement keys and fobs come with a 6-month warranty for functionality and reliability - that’s our quality promise.
Bilingual Support
We proudly serve English and Spanish-speaking customers across San Antonio with friendly, professional assistance.
Customer Feedback
Hear From Our Customers
FAQ
Common Questions
Here are some frequently asked questions about car key duplication.
The time it takes to duplicate a key can vary based on the type of key and the equipment used. Typically, it takes about 15 to 30 minutes for standard keys. For more complex keys, it may take a bit longer. We recommend calling ahead for estimates on specific key types.
Most standard automotive keys can be duplicated. However, high-security keys or those with electronic components usually require special equipment. It’s best to consult with us to find out if your key can be duplicated.
If your key is lost or broken, we can create a new key based on your vehicle’s specifications. Just provide your vehicle identification number (VIN) and vehicle details for accurate duplication.
Yes, we offer a warranty on our key duplications for a period of six months. This ensures that you have peace of mind with your new key, knowing it will function as expected.
If the duplication process does not succeed, we will work with you to provide a solution at no extra charge. Our goal is to ensure you’re satisfied with the final product.
Yes, we offer mobile locksmith services for key duplication. Our team can come to your location to assist you, making it convenient for you to get your keys without any hassle.