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Porthos can be reached by any of the following means:
Email us at info (at) porthos.com
Call us at 1.866.porthos or 415.454.2115
Fax us at 415.454.1548
Our address:

4326 Redwood Highway #300
San Rafael, CA 94903

Driving Directions to our Offices (NOTE: We are not a retail wine shop)

    From San Francisco:
  • Take Hwy. 101 HEADING North
  • Exit Lucas Valley / Smith Ranch Rd.
  • Turn right (East) onto Smith Ranch Rd.
  • After approx. .3 mile turn right at the first light: Redwood Highway
  • Drive approx. .5 mile and you'll see our development, The Vineyard, on your left
  • Take the second entrance left and drive to the back building (past the first few buildings nearest 101).
  • Our office is located in a building at the southwest corner of this development with 4326 clearly written on the top of our structure.

    From Napa/Sonoma:
  • Take Hwy 101 heading south.
  • Exit Lucas Valley / Smith Ranch Rd.
  • Curve around and head back under 101 headed East on Smith Ranch Rd.
  • After approx. .3 mile, turn right at the first light, Redwood Highway
  • Drive approx. .5 mile and you'll see our development, The Vineyard, on your left
  • Take the second entrance and drive to the back building (past the first few buildings nearest 101).
  • Our office is located in a building at the southwest corner of this development with 4326 clearly written on the top.