Bank Statements will cycle on the night of May 6th. If you currently receive an eStatement, you will need to log in to online banking at to retrieve your final statement on May 7th or 8th.

Security State Bank's Online Banking, Mobile Banking, and Telephone Banking Systems will be in inquiry mode only after 3:00 PM on May 6th.  For account inquiry only, please log in to online banking at www.ssb-com or call our 24-Hour Banking service (409) 267-BANK (2265) or (877) 323-BANK (2265).  Full Access to online banking will be reestablished on Monday, May 9th. You will then be able to self-enroll in online banking at To enroll, you will need to enter your social security number (or tax ID number for business customers), account number, account type and last deposit amount.  You will prompted to create a username and password for security.  Please do not share this log on information with others.

Bill Payments All bill pay items transmitted for payment by 3:00 PM on May 6th will be processed as usual.  Any future dated transactions or pending payments scheduled via Security State Bank’s Online Banking Service will not be processed.  To request bill pay, once you have logged into your Post Oak Bank online banking > click on Customer Service tab > Request & Messages, and on the left select “Request for Bill Pay”.  Complete the required information, and select “Submit”.  For assistance, contact Treasury Services at 713-499-1800.

Switch Kits are available to assist you with moving direct deposits, drafts and electronic payments.  Contact your local branch for a kit and assistance with online banking and bill payments.

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Online Banking

High Interest Checking!

Our Secure Reward checking account will earn high interest—a whopping 2.25% APY* and ATM fee refunds* just for taking advantage of our other convenient services, such as using a debit card and receiving eStatements.

Learn more about Secure Rewards!

Mobile Banking

Mobile Banking offers you 24/7 access to your financial information. Bank anywhere, at any time, using your mobile device. Use text, browser, or downloadable applications to view your accounts, transfer funds, or pay bills. You decide how you want to use it!

Learn More about our Mobile options

Click Here to read Frequently Asked Questions about the Merger.

Click Here To Visit The Post Oak Bank Website