As one of the most iconic stations, community creators frequently release "fixed" versions of Mission Row. Notable options include the Community Mission Row PD Project which is regularly updated to support FiveM, RAGEMP, and Singleplayer.
FiveM is an excellent platform for customizing GTA V with various scripts, vehicles, maps, and more, contributed by the community. If you're looking for a police station model or script for FiveM, here are a few suggestions on where to find such resources: police station fivem free patched
Reducing the "poly count" or texture sizes so the station doesn't cause massive FPS drops for players when they drive near it. The Appeal of Free Police Station MLOs As one of the most iconic stations, community