San Francisco, California Hotel Reservations

Our San Francisco boutique hotel offers guests stylish hotel rooms and generous amenities in bustling Union Square. Enjoy a central location close to shopping, dining, nightlife entertainment, and all the best San Francisco, California attractions. For more information about our San Francisco hotel, or to make reservations, please contact our friendly hotel staff by using one of the following methods below.

To check availability and rates and to book online, please use our secure online reservation system, or email Reservations at inn@unionsquare.com.

440 Post Street
San Francisco, California 94102

Phone: 415-397-3510
Fax: 415-989-0529
Email: reservations@unionsquare.com

Our Team

Norbert Mede

General Manager norbert@greystonehotels.com
415-397-3510

Ken Chan

Supervisor
kchan@unionsquare.com
415-397-3510

Cathy Estelle

Director of Sales & Marketing
cplestelle@greystonehotels.com
415-222-7105

San Francisco Hotel Email Offers -

Join our Union Square hotel mailing list and we'll periodically send you special deals and coupons, and inform you on what's new and exciting in San Francisco, California.

San Francisco Group Travel -

For group reservations, requests for group travel accommodations and services for weddings, parties and receptions, please contact the Sales Department by email sales@unionsquare.com, or call
415-249-7915.