Bank Closed for Memorial Day

All Community State Bank (CSB) branches will be closed on Monday, May 25 for Memorial Day.

FDIC-Insured - Backed by the full faith and credit of the U.S. Government

Refer a Friend. Get Rewarded.

Helping friends discover Community State Bank pays off. Refer a friend to open a new CSB checking account and you can earn cash for each successful referral.

No limits. No guesswork. Just simple rewards for sharing a bank you trust.

How it Works

Simple steps. Real rewards.

  1. Refer a Friend Invite someone new to Community State Bank to open a consumer checking account.
  2. They Get Started Once your friend opens an account and completes qualifying activity, they're on their way.
  3. You Get Rewarded After all requirements are met, your cash reward is credited to your account.

Refer as many friends as you like - bonuses are unlimited

Why Refer CSB?

Your friends get access to:

  • Trusted community banking
  • Digital tools and debit card access
  • Competitive checking options - including Edge Checking®

And you get rewarded for spreading the word.

Ready to refer a friend? Don't forget these helpful reminders.

  • Bonuses are paid after qualifying activity is completed
  • Both accounts must remain open and in good standing
  • promotion available to Iowa residents only

Refer a friend 1023 619315880

To receive the $100 Refer-A-Friend bonus, 1) an existing CSB consumer client refers a new client to open a consumer checking account (subject to approval), 2) the new referred consumer checking account must be open a minimum of 90 calendar days and cannot have a previously closed CSB consumer checking account within the past 12 months, and 3) the new client’s account must have a balance greater than zero at the end of business on the 90th calendar day. The referral bonus will be applied as a credit to the account within 30 calendar days after the 90 calendar day qualifying period, provided both the existing client and new client accounts are not closed at the time of payment. This Refer-A-Friend offer cannot be combined with other offers. Must be an Iowa resident to open an account. This is an ongoing referral offer and is subject to change without notice. Existing clients can earn unlimited Refer-A-Friend bonuses.  All bonuses will be reported to the IRS as applicable. Clients will be responsible for applicable taxes on this bonus. Consult your tax advisor.
Minimum to Open: A minimum opening deposit of $100 is required for all qualifying consumer checking accounts, except for BankOn Checking, which requires a minimum opening deposit of $25.
Early Closing Fee: An early closing fee of $30 will be charged if your account is closed within 90 calendar days of account opening.
Annual Percentage Yield (APY) will range from 0.00% - 4.00% depending on the account type that is opened. APY range is accurate as of January 1, 2026 and is not an introductory rate. Additional account requirements will apply to the Edge Checking® account to obtain the premium APY.  Rate may change after account opening. Fees could reduce earnings. Minimum opening deposit requirements range from $25 - $100, depending on the type of consumer account opened. Visit www.bankcsb.com for more information on our consumer checking account products. Member FDIC
Important Information: Due to the confidential nature, we cannot disclose any information about qualifying accounts opened by the friends you invite.