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Third Coast Bank Acquires Keystone Bank: Expanding Texas Footprint

Keystone Bank acquired by Third Coast Bank

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Keystone Bank logo
Acquired

Keystone Bank

Banking

Undisclosed amount

October 23, 2025

Third Coast Bank logo
Acquirer

Third Coast Bank

Banking

Third Coast Bank has acquired Keystone Bank for an undisclosed amount, completing a corporate transaction that sees the Austin-area community bank join Third Coast’s portfolio. Keystone Bank, launched in 2018 from Bee Cave, Texas, established itself with an entrepreneurial and client-first approach to community banking, focusing on western Travis County and the broader Hill Country region. Its services encompass private banking, commercial real estate, residential real estate, and small business loans, catering to both individuals and local enterprises.

Keystone Bank distinguished itself through its commitment to being a financial keystone for its customers, emphasizing personalized service and problem-solving. The bank has demonstrated strong growth, earning recognition for its community service and financial literacy initiatives, and securing top rankings for commercial and industrial loan growth in the Austin market. This acquisition by Third Coast Bank represents a significant expansion for the acquiring entity, integrating a well-regarded local banking operation known for its strong client relationships and regional market penetration.

The strategic rationale behind this acquisition centers on expanding Third Coast Bank’s geographic footprint and enhancing its service offerings within the dynamic Central Texas market. Keystone Bank’s established presence and specialized loan portfolios, particularly in commercial and residential real estate, align with an objective to strengthen Third Coast Bank’s capabilities and client base. The integration is expected to create synergies by leveraging Keystone’s local market expertise and entrepreneurial spirit with Third Coast Bank’s broader resources, allowing for an expanded array of financial solutions for a larger customer base across the region.

This corporate acquisition, distinct from any funding rounds, aims to combine the strengths of both institutions to deliver enhanced banking services. The combined entity is expected to offer a more robust suite of personal and business banking solutions, deepen its community engagement, and further support economic development in Central Texas. The integration seeks to ensure a seamless transition for Keystone Bank’s clients, who will benefit from the continuity of a client-centric approach coupled with expanded access to resources and expertise.

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