2025 Bah Rates By Zip Code Chart. The 2025 basic allowance for housing (bah) rates reflect a national average increase of 5.4% compared to 2024. On average, bah rates will see an increase of 5.4%, reflecting evolving rental market trends across the nation.

* bah rc/transit rates are adjusted by the average change in housing costs; Understanding how 2025 bah rates work and what potential changes might occur can give you a head start in preparing your household finances for the coming year.