When in doubt, for any kind of emergency requiring medical, police, or fire response, call 911.

California Youth Crisis Line
24 hour counseling, support and information for ages 12-24
(800) 843-5200
http://www.youthcrisisline.org
Drug Line
24 hour drug detox/counseling referral
(415) 362-3400
Emergencies
911
Marin County Suicide Prevention
(415) 499-1100
http://www.fsamarin.org/suicide-prevention-crisis-hotline/
Oakland/Berkeley Suicide Prevention
Open 24 hours
(800) 309-2131
Psych Emergency Services – SF General – 24 hours
(415) 206-8125
SF Suicide Prevention
Open 24 hours a day
(415) 781-0500
http://www.sfsuicide.org
Santa Clara County Suicide Prevention
(408) 279-3312
Trevor Project
24 hour suicide and crisis Hotline for Queer and Questioning Youth
866.4.U.Trevor (866-488-7386)
http://www.TheTrevorProject.org
WOMAN, Inc.
For battered women in Bay Area; offers services in English and Spanish, including a 24-hour crisis line.
333 Valencia St, Suite 450
(415) 864-4722 or (877) 384-3578
http://www.womaninc.org