Leaky outside Bathroom Faucets that are frost free can be deceiving because they will drain water for several seconds after they are turned off. The reason they continue draining is because the valve that shuts the water off is several inches behind the faucet, usually about 12 to 18 inches. This is so there will be no water close to the outside of the house where it is more likely to freeze. It is normal for a frost free hose bib to Bathroom Accessories water after it is shut off.