Phone: (281) 894-3200
P.O. Box 41314
Houston, Texas 77241-1314

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***Allegiance Bank will be closed Monday, September 7th. in observance of the Labor Day Holiday.***

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Allegiance Bank has sixteen banking offices located in Houston and surrounding areas. Visit our Locations pages to find an office near you.

Email phishing scams
are always present in today's world of electronic information. As a courtesy, Allegiance Bank wants to remind our customers that we will never send an email that asks you to click on a link or to enter any personal banking information such as PIN numbers, Social Security numbers, account numbers or passwords.If you have any questions please call (281) 894-3200

Debit/ATM Card Support

Business Hours
8:00 a.m. - 5:00 p.m.  Call 281-894-3200
After Hours 24/7  Call 855-251-1792
Lost or Stolen Card
Transaction Inquiries
Non-Fraud Disputes
Damaged Card Replacement
PIN Counter Resets


NOTICE: Quicken and Quick Books for Mac and Windows Conversion

As Allegiance Bank completes its online banking system conversion, you will need to modify your QuickBooks settings to ensure the smooth transition of your data. Please click here to read more information on the conversion.


Allegiance Bank opened for business during the uncertain economic climate of late 2007 guided by our founders' belief that the need for a responsive, relationship-based bank with strong ties to the community is ever present and growing. Allegiance Bank is focused on the guiding principles of co-founders Steve Retzloff and George Martinez who shared a common vision and mission to provide an extraordinary value and service to all constituents: the customer, the employee, the shareholders, the community, the industry and the regulators.

Allegiance Bank has steadily grown by focusing on building these relationships as our first priority. Although the focus of the bank is to serve the small to medium sized business community, our full service approach is also enjoyed by their employees, families and friends.

Our team has decades of banking experience which you will find refreshing. The shared philosophy of the team places the focus on the long-term and recognizes that each banking customer is unique and has banking needs that require more than a "cookie cutter" approach. Allegiance bankers understand what constitutes great performance and will work together at all levels to exceed your expectations.

Our complete alignment or "allegiance" to all of our constituents separates Allegiance Bank from other banks. A culture of Servant Leadership throughout the bank brings this into reality. Times will undoubtedly change the landscape of the banking industry but our pledge of extraordinary service, great people and superb value will endure.

If you are a new visitor to our web site, we want to welcome you and invite you to visit one of our banking offices to experience an extraordinary level of personal service. Thank you for visiting Allegiance Bank!


Press Releases and Announcements:

August 25, 2015 - Allegiance Bank is partnering with M. D. Anderson Blood Bank to hold a Blood Drive, September 3, 2015 at the Allegiance Bank Kirby Office, 3963 Kirby Drive. Please click here for more information about donating.

May 14, 2015 - Allegiance Launch Pad - An Emerging Entrepreneur Seminar Series. May 14th 5:30 - 7:30 p.m. at our Kirby Office, 3963 Kirby Drive, featuring Ken Wohlberg with SCORE, Charles Capers with the U of H Small Business Development Center, and Al Coleman with the FDIC. These seminars will be loaded with powerful and valuable advice from some of the most successful financial and business leaders in Houston. Each session in the series covers a range of critical topics enterprising entrepreneurs need to know.

January 1, 2015 - ALLEGIANCE BANK TEXAS completes merger with Enterprise Bank, Houston, Texas.
Click here for Press Release


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