Contact Information

The Long Now Foundation
Fort Mason Center
Building A
San Francisco, CA 94123

Museum & Store Hours

  • The Long Now Museum and Store will be closing for a major renovation in June or July of 02013. We will post the dates of our closure here, when they are finalized.
  • Mon - Fri 10:30am to 5pm
  • Sat & Sun 11am to 6pm
  • We close briefly for lunch around midday.
  • CLOSED:
  • We post the days we are closed here.
  • Thursday May 16, closed
  • Tuesday May 21, closed
  • free parking outside the gates and inexpensive parking in the lot.