Beaumont fire crews responded to a blaze at the city-owned fleet management lot off Fannett Road Saturday evening.
A fire broke out in an out of commission truck which spread to two other garbage trucks and two police cruisers.
All of the vehicles impacted were up for auction.
First Responders are also having to clean up diesel and hydraulic fluid the damaged vehicles spilled.
No injuries have been reported.
Crews are still working to determine what sparked the initial fire.