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School Office & Clerical jobs in Contra Costa County

Contra Costa County has 22 open office and clerical jobs right now, at 12 districts and schools. 4 were posted in the last 7 days. Typical posted pay is $27.13–$33.41 an hour. 14 of the open jobs are full-time and 7 part-time; the typical one that lists its hours is 8 hours a day.

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Where they're hiring

Open school office & clerical jobs by employer
District or school	Open jobs
Mt. Diablo Unified	5
West Contra Costa Unified School District	4
Pittsburg Unified School District	3
Contra Costa Community College District	2
San Ramon Valley Unified School District	1
Walnut Creek School District	1
Contra Costa County Office Of Education	1
Liberty Union High School District	1
John Swett Unified	1
Diocese of Oakland, Department of Catholic Schools - Contra Costa	1

Open school office & clerical jobs

Job	Pay	Posted	Deadline
School Office Manager @ College Park High School - Job #5468 - REPOST Mt. Diablo Unified · Concord	$26.21–$33.45/hr	Nov 12	Nov 30
Administrative Assistant, Senior Contra Costa Community College District · Martinez	$65,424–$79,704/yr	Nov 10	Dec 2
Registrar - Liberty High School * Open to Internal LUHSD CSEA employees only* Liberty Union High School District · Brentwood	$24.38–$31.93/hr	Nov 9	Nov 18
Secretary @ Mt. Diablo High School - #5484 Mt. Diablo Unified · Concord	$22.28–$28.46/hr	Nov 9	Nov 23
School Secretary - Pittsburg High School (External Applicants Apply Here) Pittsburg Unified School District · Pittsburg	$25.32–$30.82/hr	Nov 5	Nov 13
School Secretary - Pittsburg High School (CSEA Employees Apply Here) Pittsburg Unified School District · Pittsburg	$25.32–$30.82/hr	Nov 5	Nov 13
Substitute Clerical San Ramon Valley Unified School District · Danville	$23.87–$31.99/hr	Nov 5	Nov 16
Office Manager 27TP075 West Contra Costa Unified School District · Richmond	$69,267–$84,195/yr	Nov 4	Nov 19
Senior Account Clerk - Accounts Payable @Fiscal Services #5480 Mt. Diablo Unified · Concord	$26.44–$30.60/hr	Nov 3	Nov 17
School Secretary I - Collins Elementary 27TP074 West Contra Costa Unified School District · Richmond	$28.01–$33.41/hr	Oct 30	Nov 16
Data Entry Clerk 27TP071 West Contra Costa Unified School District · Richmond	$24.57–$29.26/hr	Oct 30	Nov 17
Financial Aid Assistant II Contra Costa Community College District · Martinez	$57,828–$70,440/yr	Oct 30	Nov 16
Office Manger - St. Perpetua, Lafayette Diocese of Oakland, Department of Catholic Schools - Contra Costa · Oakland	not listed	Oct 27	Until filled
Substitute Elementary Office Manager - Walnut Creek School District - Northern California Walnut Creek School District · Walnut Creek	$27.25/hr	Sep 24	Until filled
District Fiscal Advisor #2526-0516R Contra Costa County Office Of Education · Pleasant Hill	$8,565–$10,417/mo	Aug 20	Until filled
Human Resources Manager John Swett Unified · Rodeo	$5,848–$8,705/mo	Aug 18	Until filled
SUBSTITUTE POOL - Clerical Pittsburg Unified School District · Pittsburg	$23.01/hr	Jul 15	Nov 30
Clerical Substitute #339 Mt. Diablo Unified · Concord	not listed	Jul 10	Dec 31
Clerical Subtitute #339 Mt. Diablo Unified · Concord	not listed	Jul 10	Until filled
Substitute Typist Clerk 2026-2027 School Year West Contra Costa Unified School District · Richmond	$21.46/hr	Jul 1	Jun 30
Classified Substitute Pool (Secretary, Instructional Aide, Cafeteria Assistant, Yard Duty Aides) Knightsen Elementary School District · Knightsen	not listed	Jun 9	Ongoing
Attendance Specialist Richmond College Prep Schools · Richmond	not listed	Apr 27	Nov 13
No open jobs of that kind right now.

Questions about school office & clerical jobs in Contra Costa County

How much do school office staff make in Contra Costa County?

Typical posted pay is $27.13–$33.41 an hour, from 91 postings in the last 12 months that listed pay. Most new hires start near the low end of a range.

Who's hiring school office staff in Contra Costa County?

Mt. Diablo Unified (5 open), West Contra Costa Unified School District (4) and Pittsburg Unified School District (3).

Are office and clerical jobs in Contra Costa County full-time or part-time?

14 of the open jobs are full-time and 7 part-time; the typical one that lists its hours is 8 hours a day.

How fast should I apply?

23% of the open jobs are “open until filled”: the district can stop taking applications as soon as it has enough, so apply within a few days of a posting.

How do I hear about new office and clerical jobs in Contra Costa County?

Set up a free alert: pick this kind of job and your ZIP code, and we’ll email you when a new one is posted, once a day for free or within minutes with Plus.

Guides for school office & clerical jobs

School office and clerical pay in California, by district (2026–27)