At a glance

10 floors

Built in 1986/Renovated in 2016

187,000 square feet of office space

205,000-square-foot building

13,000 square feet of retail space

20,000-square-foot floor plate

Newly renovated exterior façade and storefronts, main lobby and atrium courtyard

Steps from Annie Street Plaza, a newly-redesigned pedestrian park with seating, greenery and planned events

Blue Stone Lane and Taco Chico on-site

Close proximity to Hakkasan, Amber India, Palace Hotel, Four Seasons and Equinox Sports Club

Direct access to BART, two blocks from Transbay Terminal

Ideally located between Union Square and the Financial District

Architect: Frederick H. Meyer & Smith O'Brien/Whisler-Patri and Charles Pfister

Space for lease at 685 Market Street

685 Market Street (The Monadnock Building) is a historic 10-story office building in downtown San Francisco, at the confluence of the North and South Financial districts and the world-renowned Union Square shopping district. Built in 1906, it's an exquisite example of turn-of-the-century 'Beaux Arts' style and its storied place in San Francisco's history makes it one of the city's most well-known landmark properties.

Our awards and certificates

2022 WELL Health-Safety rated
2022 WELL Health-Safety rated
LEED EB O&M Gold Certified
LEED EB O&M Gold Certified
Energy Star rated
Energy Star rated



Christopher Roeder (JLL)



David Sternberg



Jak Churton (JLL)




Christopher Roeder (JLL)
415.395.4971 Send Email