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Main Phone

Contra Costa County • Employee Benefits Services • Martinez, Contra Costa County, California
Main Phone
(925) 655-2100
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Agency
Contra Costa County
Section
Human Resources - Employee Benefits Services
Department
Human Resources
Office
Employee Benefits Services
Location
Martinez, Contra Costa County, California
Last Checked
June 2, 2026

Verification & trust

Status Unverified
Last verified June 2, 2026
Confidence 0.98

What this fax number is for

Employee Benefits Services

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Source and verification

Main Phone
Added June 2, 2026

Phone: (925) 655-2100 Fax: (925) 655-2199 Hours Monday through Friday 8 a.m. to 5 p.m.

View Source Confidence: 0.98
Quick facts
Type FaxNumber
Agency Contra Costa County
Label Main Phone
Fax Number (925) 655-2100
About this listing
This listing is meant to help users confirm the correct fax destination before sending documents.
Unverified Checked Jun 2, 2026