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If you have a question for our team, we would love to hear from you.

Please note, Tides does not accept unsolicited letters of inquiry, proposals or applications for funding.

If you’d like to work with Tides and are inquiring about philanthropic advising, grantmaking support, nonprofit acceleration, or fiscal sponsorship please fill out the inquiry form on the Partner With Us page to reach our partnerships team.

For all other inquiries and comments, please use the form below.

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Mailing Information for Tides

San Francisco

Tides
P.O. Box 29198
San Francisco, CA 94129-0198
415.561.6400
415.561.6401 Fax

New York

Tides
55 Exchange Place, Suite 402
New York, NY 10005-3304
212.509.1049
212.509.1059 Fax

Specific P.O. Boxes for Tides Center and Tides Foundation:

Tides Center
P.O. Box 29907
San Francisco, CA 94129-0907

Tides Foundation
P.O. Box 29903
San Francisco, CA 94129-0903

S.F. Physical Address for Express Mail and Courier Service:

Tides
1012 Torney Ave.
San Francisco, CA 94129-1755