Here is a water shut-off valve with Z-Wave that you can control from your smart home’s mobile app. The Dome Home Automation Water Shut-Off Valve cuts off water when any leak is detected. You also receive notifications when leaks are detected. The device integrates with SmartThings, Home Seer, Nexia, and other hubs.
You can remotely turn the water off remotely. Costs under $100 at this time.