# clm_99E621D3E19E

subject: Wikipedia (/record/wikipedia.md)  
predicate: headquarters  
value: San Francisco  
valid_from: undated  
valid_to: null  
published: 2018-05-31  
recorded: 2026-10-31  
confidence: 0.60  
status: valid  
assertable: true  
superseded_by: null  
last_updated: 2026-11-04  
checked: 2026-11-04 · its source page states the value and the date  

## Sources

- https://www.wikidata.org/wiki/Q52 (secondary, Wikidata)
- https://www.charitynavigator.org/ein/200049703 (secondary, published 2026-11-02)
- https://wikimediafoundation.org/contact/ (primary, wikimediafoundation.org, published 2018-05-31)

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