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Cornerstone
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  1. Affordable Loans

  2. 24/7 Online & Mobile Banking with mobile check deposit

  3. FREE Checking & Bill Pay

  4. Low-interest Rewards Credit Card

  5. Four convenient locations & ATM service


Join online here. We believe you'll appreciate the credit union difference, offering personalized financial solutions and rock solid advice.

In addition to providing better rates, lower fees and affordable services to help you achieve a financially stable lifestyle, at Cornerstone Credit Union, we are committed to supporting programs and not-for-profit organizations that make a positive impact in the communities we serve. 

Applying is easy. You are eligible for membership if you live or work in Boone, Bureau, Carroll, JoDaviess, Lee, Ogle, Stephenson, Whiteside, or Winnebago counties in Illinois; or Green or Rock counties in Wisconsin. Membership is also open to family members of current Cornerstone CU members.

You can also stop by a Cornerstone CU Service Center and open a primary savings account with a minimum deposit of $25. As long as you maintain this minimum deposit, you'll be a member-owner for life.

Please provide the following:

  1. A valid [unexpired] state-issued driver's license or state-issued identification card.
  2. If your address is different from one shown on your Driver’s License or State-ID Card, proof of address is required (a utility bill showing your current address is acceptable).
  3. Any two [2] of the following forms of valid [unexpired] identification:
    • U.S. Government Issued Passport
    • U.S. Government Issued Military Card
    • Social Security Card
    • Vehicle Registration Card
    • Credit Card
    • Health Insurance Card 
Take a moment to surf our site for more advantages. Let us know if you require more information or assistance. 
Cornerstone Credit Union
1-800-711-3277  •  Routing: 271184425  •  NMLS #743907
 

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Your deposits are federally insured up to $250,000 by the National Credit Union Administration (NCUA), with an added safety net of private insurance (Excess Share Insurance/ESI) for an additional $250,000. This is the highest combination of federal and private insurance available to consumers.