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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.
Partner with us: If you’d like to work with Tides and are inquiring about philanthropic advising, grantmaking support, nonprofit acceleration, or fiscal sponsorship please see our Partner With Us page.
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Contact Us
Mailing Information for Tides
SAN FRANCISCO
Tides
1012 Torney Avenue
San Francisco, CA 94129-1755
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
P.O. BOXES
Tides Center
P.O. Box 399385
San Francisco, CA. 94139‐9385
Tides Foundation
P.O. Box 399389
San Francisco, CA. 94139‐9389
Tides Network
P.O. Box 399400
San Francisco, CA. 94139‐9400
OVERNIGHT, EXPRESS MAIL, AND COURIER SERVICES ADDRESSES
Lockbox Services
Box #399385
Tides Center
3440 Walnut Avenue, Bldg A, Window H
Fremont, CA 94538
Lockbox Services
Box #399389
Tides Foundation
3440 Walnut Avenue, Bldg A, Window H
Fremont, CA 94538
Lockbox Services
Box #399400
Tides Network
3440 Walnut Avenue, Bldg A, Window H
Fremont, CA 94538