California · GSA non-standard area · FY2027
Mammoth Lakes per diem rates
Federal travelers to Mammoth Lakes (GSA area: Mono) can claim up to $208 a night for lodging and $86 a day for meals and incidental expenses in FY2027 (October 1, 2026 to September 30, 2027). Lodging is seasonal: $146 in the cheapest months (Oct, Nov, Apr, May, Jun, Jul, Aug, Sep) and $208 at the peak (Dec, Jan, Feb, Mar). That is $95 above the standard CONUS lodging rate of $113.
Lodging cap by month, FY2027
FY2027 rates by season
Exactly as listed in GSA's FY2027 per diem file. Season dates are inclusive; the lodging cap applies to the night that begins on each date.
| Season | Lodging | M&IE | Max per day |
|---|---|---|---|
| Oct 1 – Nov 30 | $146 | $86 | $232 |
| Dec 1 – Mar 31 | $208 | $86 | $294 |
| Apr 1 – Sep 30 | $146 | $86 | $232 |
Meals, incidentals and a worked trip
| Breakfast | $22 |
| Lunch | $23 |
| Dinner | $36 |
| Incidental expenses | $5 |
| M&IE, full day | $86 |
| First and last day of travel (75%) | $64.50 |
GSA's breakdown of the $86 M&IE tier, used to deduct meals provided by the government or included in a registration fee (FTR §301-11.21). Meals on a common carrier and complimentary hotel breakfasts are not deducted. All tiers
Worked example · December
A 4-night trip (5 travel days) in December:
| Lodging, 4 nights × $208 | $832 |
| M&IE, first and last day at 75% (2 × $64.50) | $129.00 |
| M&IE, 3 full days × $86 | $258 |
| Maximum for the trip | $1,219.00 |
Lodging is reimbursed up to the cap for actual cost (taxes are claimed separately on CONUS trips, FTR §301-11.16). The 75% first-and-last-day rule is FTR §301-11.20. Use the trip calculator for your own dates.
History, FY2015 to FY2027
Listed in every GSA file since FY2015.
Mammoth Lakes: lodging and M&IE by fiscal year
Each fiscal year runs October to September. Dashed line: the standard CONUS lodging rate.
| Fiscal year | Lodging | M&IE | Max/day | Peak change |
|---|---|---|---|---|
| FY2027 | $146 – $208 | $86 | $294 | +6.7% |
| FY2026 | $139 – $195 | $86 | $281 | 0% |
| FY2025 | $139 – $195 | $86 | $281 | +9.6% |
| FY2024 | $142 – $178 | $79 | $257 | +14.1% |
| FY2023 | $138 – $156 | $79 | $235 | +5.4% |
| FY2022 | $126 – $148 | $79 | $227 | 0% |
| FY2021 | $126 – $148 | $76 | $224 | +9.6% |
| FY2020 | $135 | $76 | $211 | 0% |
| FY2019 | $101 – $135 | $76 | $211 | +3.1% |
| FY2018 | $131 | $74 | $205 | −1.5% |
| FY2017 | $133 | $74 | $207 | −16.4% |
| FY2016 | $116 – $159 | $74 | $233 | +24.2% |
| FY2015 | $102 – $128 | $61 | $189 | – |
How it compares
Peak FY2027 lodging cap: Mammoth Lakes among all 295 non-standard areas
Rank #78 nationally and #12 of 32 in California. All California rates · National rankings
Where this rate applies
GSA defines this area as Mono in California. Under GSA's rules a non-standard area includes "all locations within, or entirely surrounded by, the corporate limits of the key city as well as the boundaries of the listed counties" (GSA per diem FAQs).
8 ZIP codes map to Mammoth Lakes in GSA's FY2027 ZIP code file
93512 93514 93517 93529 93541 93546 96107 96133
Other California destinations
| Destination | Peak lodging | M&IE |
|---|---|---|
| San FranciscoSan Francisco | $325 | $92 |
| MontereyMonterey | $293 | $92 |
| Santa MonicaCity limits of Santa Monica | $283 | $92 |
| Santa BarbaraSanta Barbara | $277 | $92 |
| NapaNapa | $266 | $92 |
| South Lake TahoeEl Dorado | $262 | $86 |
| San DiegoSan Diego | $249 | $86 |
| Sunnyvale / Palo Alto / San JoseSanta Clara | $218 | $92 |
Questions
- What is the per diem rate for Mammoth Lakes in FY2027?
- Lodging up to $208 a night ($146 to $208 depending on season), plus $86 a day for meals and incidental expenses, for travel from October 1, 2026 to September 30, 2027.
- How much M&IE do I get on the first and last day?
- 75% of the M&IE rate: $64.50 on the day you leave and the day you return (FTR §301-11.20, as published in the eCFR).
- Are hotel taxes included in the lodging rate?
- No. For CONUS travel, lodging taxes on the reimbursable room cost are claimed separately as a miscellaneous expense (FTR §301-11.16(a)).
Source: U.S. General Services Administration (GSA), per diem rates and per diem files. Not affiliated with GSA. All sources