Find an updated list of Mainstreet Credit Union promotions, bonuses and offers here.

Update 4/14/25: There is now a $300 checking bonus offer good through 6/30/25.

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About Mainstreet Credit Union Promotions

Mainstreet Federal Credit Union is headquartered in Lenexa and is the 7th largest credit union in the state of Kansas. It is also the 588th largest credit union in the nation. It was established in 1953 and as of June of 2021, it had grown to 109 employees and 70,334 members at 12 locations.

I’ll review the current offers below.

Mainstreet Credit Union $300 Checking Bonus

Mainstreet Credit Union is offering a $300 bonus when you open a qualifying checking account and complete the requirements.

What you’ll get: $300 bonus
Account Type: Checking
Credit Inquiry: Hard Pull
ChexSystems: Unknown
Opening Deposit: $0
Credit Card Funding: Up to $505 with credit card
Direct Deposit Requirement: Yes
Monthly Fee: No monthly service cycle fee
Household Limit: 1
Closing Account Fee: None listed

$300 Offer at Mainstreet Credit Union

(Expires 06/30/2025)

You can compare this to several great entry level checking account offers:
BMO Smart Money Checking ($400 cash bonus*)	BMO Smart Advantage Checking ($400 cash bonus*)
Bank of America ($300 bonus offer)	Chase Total Checking^® ($300 bonus)
KeyBank Key Smart Checking ($300 bonus)	SoFi Checking and Savings ($325 bonus)

How To Earn Bonus

HOW TO EARN BONUSFINE PRINT

Earn $300 when you open a checking account and complete these three steps:
Sign up for eStatements
Set up a qualifying direct deposit and have two direct deposits with a cumulative total of $400 or more within 90 days of account opening.
Make 10 debit card transactions in 90 days.

Offer valid for checking accounts opened between April 1, 2025, and June 30, 2025.
Limit one account per person.
Valid for new Members and current Members without an established checking account.
Requires a new checking relationship with the Credit Union (those with existing checking accounts do not qualify).
$300 Bonus – Checking Account Bonus Requirements: Membership eligibility required.
The Member must open the checking account by June 30, 2025.
The Member must have 10 posted point of sale transactions within 90 days from account opening (Transactions exclude refunds/credits, and ATM transactions) and have two direct deposits through ACH or RTP including Payroll, Pension, or Government benefits posted with a cumulative total of $400 or more within 90 days of account opening.
The membership account number tied to the checking account must be enrolled in e-Statements.
The $300 will be deposited into the primary savings account within 60 days of meeting the qualifications.
Account must be active and in good standing with a positive balance at the time of bonus payout with no fraudulent activity
. Business, Minor, Trust, Custodial, Representative Payee and Fresh Start accounts are not eligible for this promotion.
All bonus payments will be reported to the Internal Revenue Service as an extraordinary dividend in the year they are paid.
Members can receive only one new checking account opening related bonus every three years. Offer is subject to change without notice.
Officials and immediate family members of an official of Mainstreet Credit Union are not eligible.

How To Waive Monthly Fees

Free Plus Checking Account: No monthly service fees
Prime Checking Account: $10.00 monthly, if balance drops below $500 at any time during the month
Classic Club Checking Account: No monthly service charge
Business Basic Checking Account: No monthly service charge
Business Advantage Checking Account: A $10.00 service fee is applied if your balance drops below $10,000 at any time during the month.
Business Optimum Checking Account: A $25.00 service fee is applied if your balance drops below $25,000 at any time during the month.

Bottom Line

This promotion does not have much information about the requirements, so I recommend calling a CSR to find out more. Please let us know in the comments any information you find about this promotion from Mainstreet Credit Union.

Mainstreet Credit Union doesn’t have great rates for CDs and Savings. You may want to check out our full list of Bank Rates and CD Rates.

Compare Mainstreet Credit Union Promotions with other bank bonuses from banks like Huntington, HSBC, Chase, TD, Bank of America, Citi, Wells Fargo, and more!

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*Check back for updated Mainstreet Credit Union promotions, bonuses, and offers.