There are a lot of different brands of faucets on the market, and each one has its own manufacturing process. However, when it comes to California faucets, you can be sure that they are all made in the USA. This is because the state of California has strict laws in place that require all products to be made in the USA in order to be sold there. So, if you're looking for a faucet that is definitely made in the USA, then you should definitely consider a California faucet.