2025 Per Diem Rates Washington Dc Area. We establish the per diem rates for the continental united states (conus), which includes the 48 contiguous states and the district of columbia. Foreign per diem rates by location dssr 925.

The standard per diem rate for official travel will increase to $178 per day for lodging and meals and incidental expenses, according to the general services administration. Discover per diem rates for the district of columbia (washington, d.c.) to manage travel costs.