HOTEL

JW Marriott San Francisco Union Square

Name: JW Marriott San Francisco Union Square
Address: San Francisco, United States

San Francisco, United States

Marriott International

JW Marriott San Francisco Union Square is a hotel in San Francisco, United States. Latest guide results (2026): Forbes Travel Guide Recommended.

Photo · BrokenSphere · CC BY-SA 3.0 · Resized and display-cropped

WORLD’S OPINION

Guide results

HOTEL FACTS

Rooms: 344Reported by Trip.com
Opened: 2006Reported by Trip.com
Renovation year: 2017Reported by Trip.com · Scope for this year not specified
Address: 515 Mason St, San Francisco, CA 94102, USA

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Information sources

Rooms: Trip.comAccessed 2026-09-30
Opened: Trip.comAccessed 2026-09-30
Renovation year: Trip.comAccessed 2026-09-30
Brand: JW Marriott San Francisco Union Square | 4-Star Hotel near Ghirardelli SquareAccessed 2026-09-29 Marriott International — official portfolioAccessed 2026-09-23
Hotel group: JW Marriott San Francisco Union Square | 4-Star Hotel near Ghirardelli SquareAccessed 2026-09-29 Marriott International — official portfolioAccessed 2026-09-23
Address: Forbes Travel GuideAccessed 2026-09-23
Official website: WikidataAccessed 2026-09-28