Teamsters, Chauffeurs, Warehousemen and Helpers Local Union No. 542 (Costco Wholesale Corporation)

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Case Number: 21-CB-391008

Date Filed: 07/20/2026

Status: Open

Location: San Diego, CA

Region Assigned: Region 21, Los Angeles, California

Docket Activity

Date	Document	Issued/Filed By
07/19/2026	Signed Charge Against Union*	Charging Party

The Docket Activity list does not reflect all actions in this case.

* This document may require redactions before it can be viewed. To obtain a copy, please file a request through our FOIA Branch.

Participant	Address	Phone
Involved Party Legal Representative Dieckman, Alyson Seyfarth Shaw, LLP	999 Third Avenue, Suite 4700 Seattle, WA 98104	(206)393-4027

Charged Party / Respondent Notification Steiner, Fern Fern Steiner Law, APC	1455 Frazee Road, Suite 500 San Diego, CA 92108	(619)941-6108

Involved Party Legal Representative Galligan, Paul Seyfarth Shaw LLP	620 8th Avenue, 32nd Floor New York, NY 10018	(212)218-5521

Charged Party / Respondent Union Teamsters, Chauffeurs, Warehousemen and Helpers, Local No. 542	San Diego, CA 92120

Involved Party Employer Costco Wholesale Corporation	San Diego, CA 92102-4530

Charging Party Individual

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