Monadnock Building (San Francisco)

{{Short description|Building in San Francisco, California}}

{{Use mdy dates|date=June 2025}}

{{Use American English|date=June 2025}}

{{distinguish|text = the Monadnock Building in Chicago}}

{{Infobox building

| name = Monadnock Building (San Francisco)

| image =

| caption =

| map_width =

| map_caption =

| coordinates = {{Coord|37.78775791990537|-122.40285119552361|display=inline,title}}

| architect =

| completion_date = 1907

}}

The Monadnock Building{{Cite web|url=http://685marketstreet.info/main.cfm?sid=introduction&pid=a685market)|title= Monadnock Building|access-date=November 19, 2018|language=en}} is a historic 10-story, {{Convert|204,625|ft2|adj=on}} office building at 685 Market Street in downtown San Francisco, California. The building was designed by the firm of Frederick H. Meyer and Smith, and completed in 1907, immediately following the 1906 San Francisco earthquake. The building stands immediately adjacent to both the BART Montgomery Street Station and the Palace Hotel, and across Market Street from Lotta's Fountain.

The Monadnock Building is an example of the turn-of-the-century Beaux Arts style.{{Cite web|url=https://www.artandarchitecture-sf.com/?s=Monadnock+Building&searchsubmit=)|title= Monadnock Building|access-date=November 19, 2018|language=en}}{{Cite web|url=https://www.brookfieldproperties.com/portfolio/san-francisco/685-market-street/|title= 685 Market Street|access-date=November 19, 2018|language=en}} The building was extensively renovated in 1986, and again in 2016. Macys.com is a major tenant and Uber became a major tenant in 2014.{{Cite news|url=https://news.theregistrysf.com/uber-signs-long-term-lease-brookfields-historic-685-market-st-san-francisco/|title= UBER-leases-office-monadnock-building|access-date=November 19, 2018|language=en}}{{Cite news|url=https://news.theregistrysf.com/brookfield-to-buy-the-monadnock-building-in-san-francisco/|title= "Brookfield to Buy The Monadnock Building in San Francisco"|access-date=November 19, 2018|language=en}} The technology firm Notion leased space in the Monadnock Building in 2024{{cite web |date=November 4, 2024 |title=Notion signs blockbuster lease in downtown San Francisco |url=https://www.bizjournals.com/sanfrancisco/news/2024/11/04/notion-685-market-lease-san-francisco.html |access-date=June 11, 2025 |website=San Francisco Business Times}}{{cite web |date=November 5, 2024 |title=Notion signs lease for headquarters in San Francisco |url=https://therealdeal.com/san-francisco/2024/11/05/notion-signs-lease-for-headquarters-in-san-francisco/ |access-date=June 11, 2025 |website=The Real Deal}} and subsequently indicated that it would take over the entire building.{{cite web |date=June 8, 2025 |title=Notion grew big enough to take Uber’s old office in San Francisco |url=https://sfstandard.com/2025/06/08/notion-san-francisco-headquarters-market-street/ |access-date=June 11, 2025 |website=The San Francisco Standard}}