FAA permits for the building...
Work schedule is listed as 01/10/2022 to 10/10/2025.
This lists the roof sea level height as 1,489 feet, so subtracting 1,034 feet from that, we get 455 feet as the ground level sea level height.
1,034 feet - 98 Red River - Corner D
https://oeaaa.faa.gov/oeaaa/external...74692262&row=0
1,033 feet - 98 Red River - Corner A
https://oeaaa.faa.gov/oeaaa/external...4654130&row=17
1,023 feet - 98 Red River - Corner B
https://oeaaa.faa.gov/oeaaa/external...4689806&row=18
1,023 feet - 98 Red River - Corner C
https://oeaaa.faa.gov/oeaaa/external...4690836&row=19