Qualifying for membership at Cornerstone Credit Union is easy! You only need to be an employee of an eligible group, a family member of an eligible employee or be related to a current Cornerstone Credit Union member. Family members or household members include: spouse, child, sibling, parent, grandparent or grandchild. This also includes stepparents, stepchildren, stepsiblings and adoptions. Household members are people living in the same residence as a single economic unit. It's that simple. And, once you've joined, you're always a member – no matter where you live or work, so that you and your family can continue enjoying the many advantages of Cornerstone Credit Union.

Naturally, we want as many people as possible to join Cornerstone Credit Union. Because, the more members we have, the stronger we are and the more services we can provide. Since you're already at our "online branch", please take the time to apply on-line for membership or print a membership application and fax to us at 515.277.1237.

Patriot's Act Notice: To help the government fight the funding of terrorism and money laundering activities, federal law requires all financial institutions to obtain, verify and record information that identifies each person who opens an account. This means that we need you to send a copy of your drivers license and social security card along with your membership application.