From the Guidebook:
On November 9, 1849, a charter
was granted by the Grand Lodge of the District of Columbia
for the organization of California Lodge NO. 13, now California
Lodge NO. 1 of the Free and Accepted Masons. On November
23, 1848, Levi Stowell was appointed master of the new
lodge, and on November 15, 1849, the lodge was formally
organized under the charter.