San Mateo / Foster City / Belmont Per Diem Rate (FY2026)
San Mateo · California · Official U.S. GSA federal per diem
For fiscal year 2026, the GSA per diem rate for San Mateo / Foster City / Belmont is $86/day for meals & incidental expenses (M&IE) and $183/night for lodging, compared with the standard $178/day CONUS rate ($110 lodging + $68 M&IE).
M&IE / day
$86
Flat all year
Lodging low
$183
Flat all year
Lodging peak
$183
Flat all year
Full daily (peak)
$269
Lodging + M&IE
Example trip
A 4-night business trip to San Mateo / Foster City / Belmont in January totals $1,119 — $732 lodging (4 nights) + $387 M&IE (5 days, first & last day at 75%).
Calculate your exact San Mateo / Foster City / Belmont trip
Loading calculator…
San Mateo / Foster City / Belmont lodging rate by month (FY2026)
Nightly lodging caps for San Mateo / Foster City / Belmont. M&IE is flat at $86/day and does not change by month.
| Month | Lodging / night | Season |
|---|---|---|
| Jan | $183 | · |
| Feb | $183 | · |
| Mar | $183 | · |
| Apr | $183 | · |
| May | $183 | · |
| Jun | $183 | · |
| Jul | $183 | · |
| Aug | $183 | · |
| Sep | $183 | · |
| Oct | $183 | · |
| Nov | $183 | · |
| Dec | $183 | · |
San Mateo / Foster City / Belmont per diem FAQ
- What is the per diem rate for San Mateo / Foster City / Belmont?
- For FY2026, the GSA per diem rate for San Mateo / Foster City / Belmont, California is $86 per day for meals and incidental expenses (M&IE) and $183/night for lodging. The standard CONUS rate, for comparison, is $178 per day ($110 lodging + $68 M&IE).
- What is the tax-free travel nurse stipend cap in San Mateo / Foster City / Belmont?
- Tax-free housing and meal stipends for travel nurses are capped at the GSA per diem for the assignment location. In San Mateo / Foster City / Belmont the full daily cap is up to $269 (peak-month lodging + $86 M&IE). A stipend at or below the GSA rate is tax-free; anything above is taxable wages.
Other California per diem areas
Antioch / Brentwood / ConcordBakersfield / RidgecrestBarstow / Ontario / VictorvilleDeath ValleyEureka / Arcata / McKinleyvilleFresnoLos AngelesMammoth LakesMill Valley / San Rafael / NovatoMontereyNapaOakhurstOaklandPalm SpringsPoint Arena / GualalaSacramentoSan DiegoSan FranciscoSan Luis ObispoSanta BarbaraSanta CruzSanta Monica Santa RosaSouth Lake TahoeStandard RateStockton Sunnyvale / Palo Alto / San JoseTahoe CityTruckeeVisaliaWest Sacramento / DavisYosemite National Park