Sign on to Online Banking


With Castroville State Bank's new mobile app, you can now get your banking done on the go. Check your balance, transfer funds, pay bills and deposit checks anytime or anywhere.

To get started, simply download the Castroville State Bank App from the App Store or Google Play Store. Log in using your Access ID and Passcode. Follow the prompts and you will be ready to bank at your convenience safely and securely.

Proudly Serving the Medina Valley Area Since 1959

                              IMPORTANT NOTICE

Castroville State Bank has received notification from a customer regarding an offer to participate in a survey for the Bank's website prior to logging into Internet Banking. Any such occurrence has not been initiated by the Bank and is likely Malware.

The security of our website and your financial information is very important to us. If you incur a similar circumstance, we would like to hear from you. Please contact us at 830-931-2201 or

Mortgage Refinance

How would you like to save money on your monthly mortgage?

Don't Wait... Mortgage rates are going up! Refinance your mortgage with CSB and we can help you keep more money back in your wallet each month. Read More »

Home Equity Offer

Now Is The Best Time To Nail Down A Home Equity Loan.

For a limited time, you can save up to $500 on your closing costs! Read More »

Home Equity Offer

If your CSB MasterCard Check Card is lost or stolen

Please call 1-800-500-1044 as soon as possible. Click here for more information! »

NOTICE: The Castroville State Bank is chartered under the laws of the State of Texas and by state law is subject to regulatory oversight by the Texas Department of Banking. Any Consumer wishing to file a complaint against the Castroville State Bank should contact the Texas Department of Banking through one of the means indicated below:

In Person or U.S. Mail:
2601 N Lamar Blvd., Ste 300 Austin, TX 78705-4294 Phone #: 877/276-5554 Fax #: 512/475-1313
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