Diamond Bar per diem rates
Los Angeles County · ZIP 91765 · FY 2026
Official travel to Diamond Bar in Los Angeles County (sample ZIP 91765) is not its own GSA key city. GSA maps this ZIP to the Los Angeles high-cost locality : $86 M&IE and peak lodging $191.
First and last travel days use 75% of M&IE ($64.5). Lodging is a monthly maximum (before tax). Statewide default CONUS is $110 lodging + $68 M&IE when no higher locality applies.
- Assigned M&IE
- $86
- Peak lodging
- $191
Example: 3-night trip in Diamond Bar
Four travel days at the assigned Los Angeles caps: two at 75% M&IE and two at 100%, plus three nights at peak lodging $191.
- Lodging: 3 × $191 = $573
- M&IE: 2 × $64.5 + 2 × $86 = $301
- Estimated total: $874
Frequently asked questions
What is the GSA per diem rate for Diamond Bar?
GSA does not publish a separate key-city rate named Diamond Bar. ZIP 91765 maps to Los Angeles: $86 M&IE and peak lodging $191.
How do I calculate a trip to Diamond Bar?
Open the GSA calculator with this locality selected, or enter ZIP 91765. First and last days are 75% of M&IE.
Other cities in Los Angeles County
Nearby California high-cost localities
Planning aid only · ZIP maps to a GSA destination ID · Methodology