Guaranty Bank & Trust

655 West Grand Parkway South, Katy, TX 77494


Katy Bank

Location Information

655 West Grand Parkway South

Katy, TX 77494

Get Directions

(713) 554-7615

(713) 554-7615


  • Deposit Services
  • Drive-up ATM
  • Lending Services
  • Safe Deposit Boxes
  • Treasury Solutions
LobbyDrive Through

Monday9:00 am - 5:00 pm

Tuesday9:00 am - 5:00 pm

Wednesday9:00 am - 5:00 pm

Thursday9:00 am - 5:00 pm

Friday9:00 am - 5:00 pm

Saturday - Closed

Sunday - Closed


Digital Banking

Access all the outstanding banking solutions you’ve come to expect from Guaranty Bank & Trust anytime, anywhere. Our digital banking solutions will help you with all your daily banking needs, from checking your balance to depositing a check, we have you covered.


We have built a strong reputation as an outstanding bank, serving the lending needs of real estate professionals, builders and individual homebuyers throughout the state. Learn more about all of our mortgage products and get started today.

Personal and Business Banking

There’s no such thing as a one-size-fits-all growth strategy, especially in a place as big and as full of diverse, enterprising individuals as the Lone Star State. At Guaranty Bank & Trust, we never rest in our pursuit of our customers’ — and communities’ — financial goals. We listen, learn, and treat the hard-earned cash entrusted to us as if it were our own. Experience the Guaranty difference today by learning more about personal and business accounts.


Guaranty Bank & Trust is one of the oldest community banks in Texas. We provide our customers with a full array of relationship-driven commercial and consumer banking products and services, as well as mortgage, trust, and wealth management services. Guaranty Bank & Trust has over 30 banking locations across 26 Texas communities located within the East Texas, Dallas/Fort Worth, greater Houston and Central Texas regions of the state.


Our Team


Dan Lang


Dan Lang is the Market President-Katy. Mr. Lang is a career executive-level commercial banker entering his 27th year in banking and 19th year in Houston banking. He specializes in Commercial, Healthcare and Private Banking. Mr. Lang received his Bachelor's Degree from Nebraska Wesleyan University, Lincoln, Nebraska in Economics and Finance. He and his family live in Cypress, Texas. Mr. Lang has served with several community organizations over the years and currently serves as an Advisory Director for Spring Spirit, Executive Director and Treasurer for Inter-Collegiate Wrestling Officials Association and UIL State Rules Interpreter-Wrestling.