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Locations & Hours


Applying for membership is easy! You can apply online, visit any of our branch locations, or apply by mail.

Credit check required. This “soft inquiry” will not affect your credit score. NOTE: Be sure your credit account is not frozen prior to submitting your application for membership or your application will be automatically denied.

Already started your application? Login | Register

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Apply by Mail

How to Apply

  1. Make sure you are eligible for membership by reading the requirements below
  2. Download the Membership Application PDF by clicking the “Apply for Membership” icon below
  3. Be sure to read the information below about our Convenience Package
  4. Open the PDF and complete the form
  5. Print your completed Membership Application
  6. Sign where indicated (Signature required for all persons named on the account)
  7. Mail the following items to the address below:
    • Completed and signed Membership Application
    • Required initial deposit(s) for all new accounts requested
    • Photocopy of a government-issued photo ID for each account signer
    • Photocopy of your employer ID or other proof of membership eligibility.
      If you are joining as an immediate family or household member of a current member, please use this form to verify your eligibility.

Mail To

Attention: New Accounts
1st Nor Cal Credit Union
P.O. Box 509
Martinez, CA 94553

Already a member?
Click HERE to add a product or service.

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  • Any and all persons who live, regularly work, currently attend school, or currently worship in Contra Costa, Solano, or Alameda counties, as well as any and all businesses, corporations, and other legal entities in those counties.
  • Persons within the immediate family or household of a member.
  • The surviving persons within the immediate family of a deceased member.
  • Persons retired as pensioners or annuitants from any of the groups listed herein.
  • Corporate or other legal entities listed herein.
  • Organizations of such persons listed herein.

Visit the About Us page to learn more about 1st Nor Cal® Credit Union.