No: 851 F.&A.M.

About Us


Prometheus was chartered in 2009, dedicated to the development of fraternal bonds and the increase of masonic knowledge.


For more information on Freemasonry in California and other Lodges in San Francisco, please visit

Interested in Freemasonry?

Interested in meeting with a Brother to discuss your interest in Freemasonry? Please contact our Secretary, and share a bit about your interest.

Visiting Brethren

Brethren are always welcome to visit Prometheus, though due to our small meeting space, we ask that you contact our Secretary in advance.

Prometheus Lodge meets on the 2nd Thursdays of each month at 6:30PM.

Member Area

Contact Us


University Club,
800 Powell Street (at California),
SF, CA 94102