For banking by telephone, to find an ATM, or to speak to a Star One phone representative for assistance with this website, please call us at 866-543-5202 or 408-543-5202.
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Refer a Friend to Star One!

We're expanding membership beyond Santa Clara County. Free checking accounts, high interest rates on savings, and low interest rates on loans!

Ranked #1 credit union once again

Star One was named top credit union by the Credit Union National Association (CUNA) six years in a row for providing the highest direct financial benefits to members. We offer:

  • Free checking
  • Instant mobile check deposit
  • Mobile banking
  • Online banking
  • Loan rate modification
  • High-interest savings accounts (0.50% APY)
  • Nearly 30,000 surcharge-free ATMs in the CO-OP network
  • Low interest rates on loans and credit cards
  • Free overdraft coverage when linked to a Star One Visa

Who can join Star One Credit Union?

  1. Annual Percentage Yield (APY) on savings account is 0.50% as of October 22, 2021, is variable and subject to change. Annual Percentage Yield (APY) on checking account is 0.10% as of October 22, 2021, is variable and subject to change. Fees may reduce earnings. Existing members can receive $60 for each new member (up to four) who joins Star One and opens a Checking account. Bonus for member and new member is deposited to your Money Marketing Savings Account when new membership and a Checking Account are verified which may take up to 60 days. Minimum deposit of $50 to open a Money Market Savings Account, $25 to open a Checking Account. Only first-time Star One checking accounts qualify. Promo may not be combined with any other offer. All new accounts are subject to Star One credit approval, account opening procedure, Truth-in-Savings account and membership terms, disclosures and fee schedule. Fees may reduce earnings. Minors, under the age of 18, and transfer to minor accounts not eligible for bonus. Star One Credit Union staff are not eligible for the bonus. Bonus subject to IRS reporting. Promo Code: WEBNEW120.

  2. Membership is open to individuals living, regularly working in, or attending school in Santa Clara County, Alameda County, Merced County, Monterey County, San Benito County, San Joaquin County, San Mateo County, Santa Cruz County, and Stanislaus County, California, or immediate family members of current members.

Scam and Fraud Alert

Several Star One members reported receiving a phone call or text from a person claiming to be from Star One's fraud department with a caller ID reflecting 866-543-5202.

The caller is impersonating a Star One employee to gain your trust with the goal of getting access to your account.

The caller may try to reassure you that it's OK to share your information—please hang up, it's not OK, EVER!