Site information:

555 Montgomery at Clay, San Francisco

Nothing remains of this site, as far as I know.

~37.794576,-122.403246

Plaque information:

No plaque

OHP description:

In the Mellus and Howard Warehouse, erected on this site in 1848, the Society of California Pioneers, oldest historical society in the state, was organized August 31, 1850 to collect and preserve the history of California. W. D. M. Howard was its first president.

Registered 4/17/1950