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Amegy Bank expansion brings new vibrance to downtown San Antonio

Lease of the Year for San Antonio
This 28-story office tower at 300 Convent St. in downtown San Antonio houses two floors of office space where Amegy Bank has its recently expanded office. (CoStar)
This 28-story office tower at 300 Convent St. in downtown San Antonio houses two floors of office space where Amegy Bank has its recently expanded office. (CoStar)
By Candace Carlisle, John Felch
CoStar News
March 26, 2025 | 10:00 AM

A growing Texas bank has relocated and expanded its San Antonio office in the city's central business district in a move industry experts say will bring new vibrance to this part of the Alamo City.

Amegy Bank signed a lease last year that boosted its office space by nearly 63% to keep up with its business growth and put its workers in the epicenter of the region's growth. The Houston-based bank signed a new office lease totaling more than 44,000 square feet spanning the 21st and 22nd floors of the 28-story office tower at 300 Convent St. in downtown San Antonio.

Amegy Bank relocated to the city's central business district from the North Central submarket. The new lease earned a 2025 CoStar Impact Award for lease of the year in San Antonio, as judged by real estate professionals familiar with the market.

About the deal: The bank's new San Antonio office has about 100 offices and workstations, as well as meeting spaces and a conference center for large customer and community events.

What the judges said: Leah Gallagher, Transwestern's San Antonio market leader, said the lease was the "first large new office lease to a tenant choosing to relocate to the central business district" in a "tremendous vote of confidence" for San Antonio.

They made it happen: Russell Noll of Transwestern Real Estate Services represented the tenant. Mark Krenger and Lisa Mittel of JLL represented the landlord, Affinius Capital.

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