Spinsters of San Francisco

Redefining what it means to be a Spinster since 1929

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Our mission


The Spinsters of San Francisco (SOSF) is a social and philanthropic organization of young professional unmarried women unique to the San Francisco Bay Area.

Since 1929, SOSF has created a strong network of women who make a positive impact in the community through volunteering and fundraising events.




We provide over 50 events for our members every year. From volunteer opportunities to fundraising parties to small social gatherings, members give back to the community and get the most out of life in the Bay Area.


Our Impact

Spinsters volunteer over 1,000 hours a year at nonprofits around the San Francisco Bay Area. Our current partner is local food business incubator, La Cocina. Interested in partnering with us and learning more about La Cocina? Contact us at info@sfspinsters.com.



1st year of spinsters fundraising


of fundraising Event proceeds donated to nonprofit partner


hours volunteered per year




The Board of Directors of Spinsters of San Francisco acts as the executive leadership team, overseeing all events, activities, and interactions of the organization between our chosen non-profit partner and the San Francisco community. 


Interested in joining?

We can’t wait to meet you. Fill out the membership application below to connect with us.


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