About Us

Contact Us

Corporate Headquarters

Onyx Pharmaceuticals, Inc.
249 E. Grand Avenue
South San Francisco, CA 94080
Phone: 650.266.0000
Fax: 650.266.0100
 
For medical questions, please contact Onyx Medical Information at 877-ONYX-121 or medinfo@onyx.com

 

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Driving Directions

Get a personalized map to this location

Driving from San Francisco

  • Take US-101 South
  • Exit #425A/Grand Ave.
  • Turn Left onto Airport Blvd.
  • Turn Left onto Grand Ave., which becomes E. Grand Ave.
  • Building will be on the left, after the intersection of E. Grand Ave. and Roebling Rd.

Driving From the South Bay and San Francisco International Airport (SFO)

  • Take US-101 North
  • Exit at Grand Ave.
  • At the bottom of the exit ramp, turn right onto E. Grand Ave.
  • At the first stoplight, turn right to continue on E. Grand Ave.
  • Building will be on the left, after the intersection of E. Grand Ave. and Roebling Rd.

Public Transportation

  • The office is located approximately 0.5 miles from the South San Francisco Caltrain station and 2 miles from the San Bruno BART station.