PDPerDiemCheckFY2027
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Per diem · CaliforniaFY2027

San Mateo / Foster City / Belmont, CA

GSA rates valid October 1, 2026 – September 30, 2027 · covers San Mateo
Lodging / night$194–$217varies by season
M&IE / day$86meals + incidentals
First/last day$64.5075% of M&IE
Max per full day$303
Above standard rate+$104lodging vs $113
vs FY2026 peak+$34+18.6% · M&IE unchanged

Lodging month by month

Oct$217
Nov$217
Dec$194
Jan$194
Feb$194
Mar$194
Apr$194
May$194
Jun$194
Jul$194
Aug$194
Sep$217
Oct 2026Peak $217 in Oct, Nov, Sep · low $194Sep 2027

Plan your San Mateo trip

FY2027 rates by season

DatesMax lodgingM&IEMax per day
Oct 1 – Nov 30$217$86$303
Dec 1 – Aug 31$194$86$280
Sep 1 – Sep 30$217$86$303

Lodging rates do not include hotel taxes, which are reimbursed separately.

M&IE breakdown for $86

Deduct a meal when it is provided, for example a conference lunch.

MealAmount
Breakfast$22
Lunch$23
Dinner$36
Incidental expenses$5
Total M&IE per day$86
First and last day of travel (75%)$64.50

Rate history

Lodging and M&IE by fiscal year.

Fiscal yearLodgingM&IESeasons
FY2027$194–$217$863
FY2026$183$861
FY2025$183$861
Driving? The GSA rate for your own car is 76¢ per mile from July 1, 2026. Mileage rates and calculator →

More California destinations

Common questions

What is the per diem rate for San Mateo / Foster City / Belmont in FY2027?

For October 1, 2026 – September 30, 2027, the GSA lodging rate in San Mateo / Foster City / Belmont, CA is $194–$217 per night depending on the season, and the meals and incidental expenses (M&IE) rate is $86 per day.

How much is M&IE on the first and last day in San Mateo / Foster City / Belmont?

Federal travelers get 75% of the M&IE rate on the first and last day of travel: $64.50 in San Mateo / Foster City / Belmont.

Which counties does the San Mateo / Foster City / Belmont per diem rate cover?

The San Mateo / Foster City / Belmont rate applies to: San Mateo. Places outside the listed counties use the standard CONUS rate of $113 lodging and $68 M&IE.

Is the lodging rate the amount I get paid?

No. Lodging is a maximum. You are reimbursed your actual hotel cost up to the nightly rate; hotel taxes are reimbursed separately. M&IE is a flat daily allowance.