Replacing Car Keys It wasn't too difficult to lose your car keys few years ago. To obtain a new key, you can go to an establishment like a locksmith or hardware store. As cars got more sophisticated, keys were more difficult to replace and more costly. Depending on the type of key it can cost anywhere between $150-$1000 to replace keys. 1. G https://www.boris.icu/learn-more-about-replacement-car-key-while-working-from-at-home/