# Wikipedia headquarters

entity: /record/wikipedia.md  
predicate: headquarters  
page: /record/wikipedia/headquarters  
as_of: 2026-11-05  

As of November 5, 2026, Wikipedia's headquarters on the AsOf record is San Francisco, undated on the record, from a primary source (wikimediafoundation.org) and one further source (charitynavigator.org). The record holds 1 claim on Wikipedia's headquarters, 1 still open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.

## Current headquarters

What the record asserts on 2026-11-05.

- [Wikipedia](/record/wikipedia.md) | headquarters | San Francisco | valid undated to present | conf 0.60 | valid | [clm_99E621D3E19E](/claim/clm_99E621D3E19E.md)
  sources: https://www.wikidata.org/wiki/Q52, https://www.charitynavigator.org/ein/200049703, https://wikimediafoundation.org/contact/

## Every dated value

One claim per line, oldest first. Superseded claims stay visible.

- [Wikipedia](/record/wikipedia.md) | headquarters | San Francisco | valid undated to present | conf 0.60 | valid | [clm_99E621D3E19E](/claim/clm_99E621D3E19E.md)
  sources: https://www.wikidata.org/wiki/Q52, https://www.charitynavigator.org/ein/200049703, https://wikimediafoundation.org/contact/

## Questions this record answers

### What is Wikipedia's current headquarters?

San Francisco, undated on the record, from a primary source (wikimediafoundation.org) and one further source (charitynavigator.org). The record asserts this claim as of November 5, 2026 (status valid, confidence 0.60).


## Get this data

- JSON: /v1/entities/wikipedia/headquarters (this fact) · /v1/entities/wikipedia?predicates=headquarters (with the entity's coverage; add as_of=YYYY-MM-DD for a date)
- MCP: timeline(entity: "wikipedia", predicates: ["headquarters"]) for every dated value · fetch(id: "/record/wikipedia/headquarters.md") for this page
- Entity twin: /record/wikipedia.md · timeline: /timelines/wikipedia.md

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AsOf is a temporal fact ledger: a structured, dated, sourced record of what is true and what changed, built for AI retrieval.