The election will be officially nonpartisan under state law and will determine the successor of four-term mayor Ron Nirenberg, who is ineligible for re-election due to term-limits.

Incumbent mayor Ron Nirenberg is term-limited, having been elected four prior times in 2017, 2019, 2021, and 2023.

Nirenberg is expected to be the longest serving mayor of San Antonio since Henry Cisneros, and this election will mark the first time since 2009 that no incumbent has been on the ballot.

[2] The first announcement in the campaign came from councilmember John Courage in January 2024, 15 months before the election, nearly tripling the length of time candidates have historically officially campaigned when compared to recent mayoral elections in the city.

[3] The first mayoral vacancy since 2009 has led more sitting council members to enter or express interest in the race, in turn leading to increased political divisions within the city council.