Mammoth Lakes per diem rates, California (CA)
Destination area Mammoth Lakes in California, state code CA. Period the records on this page cover: FY2026 rates run October 1, 2025 to September 30, 2026; FY2027 rates run October 1, 2026 to September 30, 2027.
Source and period
Period the records on this page cover: FY2026 rates run October 1, 2025 to September 30, 2026; FY2027 rates run October 1, 2026 to September 30, 2027.
- Source for FY2026: U.S. General Services Administration - FY2026 Per Diem Master Rates File (CONUS, effective October 1, 2025).
- Source for FY2027: U.S. General Services Administration - FY2027 Per Diem Rates (CONUS master rate file, effective October 1, 2026).
- Licence: GSA website policies — “Works produced by federal government employees in the course of their employment are generally not protected by copyright and are in the public domain in the U.S.”
- Rate files fetched 2026-11-05.
Rates as listed in the rate files
| State name | State | Destination | County defined | Fiscal year | Season begin | Season end | Season months | Lodging rate (USD) | Mie rate (USD) |
|---|---|---|---|---|---|---|---|---|---|
| California | CA | Mammoth Lakes | Mono | 2026 | April 1 | September 30 | April to September | $139 | $86 |
| California | CA | Mammoth Lakes | Mono | 2026 | December 1 | March 31 | December to March | $195 | $86 |
| California | CA | Mammoth Lakes | Mono | 2026 | October 1 | November 30 | October to November | $139 | $86 |
| California | CA | Mammoth Lakes | Mono | 2027 | April 1, 2027 | September 30, 2027 | April to September | $146 | $86 |
| California | CA | Mammoth Lakes | Mono | 2027 | December 1, 2026 | March 31, 2027 | December to March | $208 | $86 |
| California | CA | Mammoth Lakes | Mono | 2027 | October 1, 2026 | November 30, 2026 | October to November | $146 | $86 |