If you live in King County, and you're concerned about a friend or relative's mental state, check out this county website which lists signs that someone needs mental health services as well as where to call. Between 8:30 am and 4:30 pm, you can call 206-263-9200. Any time outside of those hours, call the Crisis Clinic at 206-461-3222.
Here is a list of mental health crisis lines resources for each county in the state.
The National Alliance on Mental Health offers resources for families with a mentally ill relative.
Here's a list of suicide prevention hotlines throughout the state.