Keystone.Bank

We are excited to share that Keystone Bank, a division of Third Coast Bank and Third Coast Bank have officially merged. This partnership unites our legacies, our teams and our vision for the future, reflecting our mutual dedication to building strong relationships.

Together, we are a leading Texas-based institution with over $6 billion in assets and 22 locations throughout Texas, operating under the Third Coast name and brand. We provide a robust network of branches in Austin, Dallas-Fort Worth, Greater Houston and San Antonio, along with the convenience of digital banking, all while ensuring you receive the exceptional personal service you expect from your community bank.

Member FDIC/Equal Housing Lender

In observance of Martin Luther King Jr. Day, all Keystone Bank locations will be closed to the public on Monday, January 19, 2026. Online and mobile banking remain available 24/7 for your convenience.

Regular business hours will resume on Tuesday, January 20, 2026. 

Member FDIC

Keystone Bank is proud to serve as this year’s Mistletoe Sponsor for the Westlake Chamber of Commerce's annual Wonderfest.

Join us on December 7 from 1:00 PM to 4:00 PM at Westlake High School for an afternoon of holiday fun, community connection, and festive activities for the whole family. Stop by our booth to write letters to Santa and make magic reindeer food with the kids — we can’t wait to celebrate with you!

Member FDIC

It’s the most wonderful time of the year, and we’re celebrating in Ballinger!

Join us for our Holiday Open House on Thursday, December 11, from 11:00 AM to 2:00 PM at our Ballinger branch. Enjoy complimentary food, refreshments, and holiday cheer as you connect with our team and the local community.

No RSVP is needed — stop by, say hello, and join us in celebrating the season!

Member FDIC