2025 GSA Per Diem Rates for Contra Costa County, California

Note: These per diem rates are for next year. Click here to view 2024 per diem rates.

Contra Costa County Per Diems for November 2025:

Lodging:

$147.00 / night

Meals & Incidentals:

$86.00 / day

These per diem rates are set by the GSA and are used by Federal and local governments as well as many private-sector companies to reimburse employees for business travel expenses incurred within Contra Costa County, California (county borders are highlighted on the California map).

Generally, you will be entitled to one Lodging per-diem of up to $147.00 to cover your actual hotel costs and one Meals & Incidentals per-diem payment of $86.00 to cover food and incidentals like parking costs for each full day of travel within Contra Costa County. 75% of the normal M&IE per diem rates are generally issued for your first and last days of travel.

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Month	Lodging	Meals & IE	Meals Only	Proportional Meals	Incidentals
October, 2024	$147.00	$86.00	$81.00	$50.00	$5.00
November, 2024	$147.00	$86.00	$81.00	$50.00	$5.00
December, 2024	$147.00	$86.00	$81.00	$50.00	$5.00
January, 2025	$147.00	$86.00	$81.00	$50.00	$5.00
February, 2025	$147.00	$86.00	$81.00	$50.00	$5.00
March, 2025	$147.00	$86.00	$81.00	$50.00	$5.00
April, 2025	$147.00	$86.00	$81.00	$50.00	$5.00
May, 2025	$147.00	$86.00	$81.00	$50.00	$5.00
June, 2025	$147.00	$86.00	$81.00	$50.00	$5.00
July, 2025	$147.00	$86.00	$81.00	$50.00	$5.00
August, 2025	$147.00	$86.00	$81.00	$50.00	$5.00
September, 2025	$147.00	$86.00	$81.00	$50.00	$5.00

Cities in the Contra Costa County Per Diem Area

In the Continental United States (CONUS), per diems are assigned on a county-by-county basis. These rates apply to all cities, towns, and other areas that fall within the borders of Contra Costa County.

The Contra Costa County per diem rates listed on this page apply to business travel in the following cities: Concord Naval Weapons Station Walnut Creek Orinda Walnut Heights Pacheco Alamo Oaks West Pittsburg Pleasant Hill Shore Acres Richmond Antioch Pittsburg Pinole San Pablo San Ramo and other unincorporated areas within Contra Costa County boundaries.