There are four easy ways to donate blood:

1. Make an appointment by phone. You can call our friendly staff at 888-723-7831 or text us at 999-777.

2. Make an appointment online.

3. Download the SBC App.  Check out the SBC app for an even more convenient experience.

4. Walk in to a center or mobile blood drive.* Find a center location or search for mobile blood drives by zip code.



  • Be at least 17 years of age (16-year-olds may donate blood with a parent/guardian’s consent). California law requires anyone under the age of 17 to have a parent’s or legal guardian’s permission to donate. Donors under the age of 17 should bring the completed consent form (05-FX1) when registering to donate. The consent form can be obtained online here, at a Stanford Blood Center donor center, Stanford Blood Center community blood drive, or from your high school blood drive coordinator
  • Weigh at least 110 pounds for donors 19 or older (Donors under 19-see height/weight requirements)
  • Be free of cold and flu symptoms (allergies ok; as are most medications)
  • Eat before donating and drink plenty of fluids
  • Bring photo ID
  • Fill out a Medical History Questionnaire and discuss answers confidentially with a Medical Historian. The questionnaire will be provided at the time of your donation, (which will be provided at the time of your donation, or you may fill out your medical history questionnaire ahead of time on the day of your donation by using SBC preCheck™.

For more in-depth deferral information, please visit: Learn More

You can also visit our FAQ page to get answers to some of the most common questions related to blood donation: Get the FAQs.


Donors ages 16-18 are eligible for a whole blood donation once every six months (180 days) or a SuperRed (formerly called double red blood cell donation), once every 12 months (365 days). Donors 19 years of age or older are eligible for a whole blood donation every 56 days or a SuperRed donation every four months.