2025 Bah Rates Increase. The 2.5% increase for 2025 is well below the 3.2% in 2023, 8.7% in 2022 and 5.9% in 2021. The department of defense has officially released the 2025 basic allowance for housing (bah) rates, which will take effect on january 1, 2025.
The average basic allowance for housing, or bah, will increase by 5.4% for the second year in a row. 2025 bah rates increased 5.4% starting jan.