Us Per Diem Rates 2024 Washington State. In washington, the general services administration decides the per diem rates on a monthly basis for all counties. Per diem rates gsa establishes the rates that federal agencies use to reimburse their employees for lodging and meals and incidental expenses incurred while on official travel.

Fy 2024 gsa per diem rates the standard continental united states (conus) lodging rate will increase from $98 to $107 (9%), resulting in 302 locations receiving a maximum lodging allowance higher than the standard rate. *for further information on per diem rates, please see the per diem page under general information.