My Main Water Shutoff Valve Won't Turn Anymore: What to Know About Stuck Shutoff Valve Issues

https://reliabless.com/my-shower-pressure-is-weak-but-kitchen-faucet-is-fine-understanding-isolated-low-pressure-problems/

Understanding a Stuck Shutoff Valve: Causes and Context in Home Plumbing As of April 2024, roughly 36% of homeowners report problems with their main water shutoff valves, often discovering the valve won’t turn when they need it most