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Contact Us

Convenience, security, and simplicity. Star One provides you with the tools you need to manage your finances easily and worry-free.

Easily set up an appointment at any Star One branch.

To send us confidential information, log on to our Secure Email Message Center.

Regular e-mail is unencrypted and not secure; sensitive information should not be sent via that channel. Messages travel across many networks before reaching their final destination, enabling prying eyes to eavesdrop on e-mail messages.

Use this non-secure form to send us general questions, feedback, or RSVPs for our educational workshops.

To send confidential information (such as Social Security Numbers, account numbers, financial statements), use our Secure Email Message Center instead.

Member Number:
Daytime Phone:
If you would like us to call you instead of replying by email, please specify a preferred time between 8:00 am - 5:00 pm PST Monday - Friday:
*Question/Comments(do not include links):

* - indicates a required field

Star One Branches

  • Monday, Tuesday, Thursday: 9 - 5
  • Wednesday: 10 - 5
  • Friday: 9 - 6
  • Saturday: 9 - 4 (Stevens Creek, Blossom Hill and Big Basin only)

De Anza Branch
10991 N. De Anza Blvd.
Cupertino, CA 95014

2 ATMs, east side of building/24 hours

El Camino Branch
3903 El Camino Real
Palo Alto, CA 94306

2 ATMs, north side of building/24 hours

Blossom Hill Branch
1090 Blossom Hill Rd.
San Jose, CA 95123

2 ATMs, east side of building/24 hours

Stevens Creek Branch
3136 Stevens Creek Blvd.
San Jose, CA 95117

2 ATMs, east side of building/24 hours

Enterprise Way Branch
1080 Enterprise Way, Suite 150
Sunnyvale, CA 94089

2 ATMs, west side of building/24 hours

Big Basin Branch
14411 Big Basin Way
Saratoga, CA 95070

1 ATM, 24 hours

Administration Building
(ATM only, no teller or branch services)
1306 Bordeaux Drive
Sunnyvale, CA 94089

1 ATM, southeast corner of building/24 hours

Call Us

Toll-free at (866) 543-5202 or (408) 543-5202
TDD (for the deaf): (408) 543-5204

Call center hours:
Monday-Friday: 7:00 am - 7:00 pm PST
Saturday-Sunday: 9:00 am to 5:00 pm PST
Holidays: 9:00 am to 5:00 pm, except:

  • Wednesday, November 23, 2016 (day before Thanksgiving): 7:00 am to 6:00 pm

Our Shared Branch call center handles after-hours calls and can assist you with general questions and basic transactions.

Fax: (408) 543-5203
Mailing address: P.O. Box 3643
Sunnyvale, CA 94088-3643

Use our Locator to find ATMs, CO-OP ATMs (including 7-Eleven stores), and Shared Branches.


2016 Holidays—Star One branches will be closed

  • Friday, January 1: New Year's Day
  • Monday, January 18: Martin Luther King Jr. Day
  • Monday, February 15: Presidents Day
  • Monday, May 30: Memorial Day
  • Monday, July 4th: Independence Day
  • Monday, September 5: Labor Day
  • Monday, October 10: Columbus Day
  • Friday, November 11: Veterans Day
  • Wednesday, November 23: Day before Thanksgiving
    Branches open regular hours, but Call Center closes at 6:00 pm.
  • Thursday, November 24: Thanksgiving Day
  • Friday, November 25: Thanksgiving Holiday
  • Monday, December 26: Day after Christmas Day