Costco's rotisserie chickens are now the subject of a possible class action lawsuit.

A proposed class action lawsuit accuses Costco of falsely advertising its signature rotisserie chicken as preservative-free.

Costco has posted signs it rotisserie chickens were free of preservatives. A class-action lawsuit claims otherwise.

As proof, the complaint includes a photo of an in-store advertisement for Costco’s Kirkland Signature Seasoned Rotisserie ...

A proposed class-action lawsuit claims Costco was misleading customers and engaging in false advertising when it described the chicken as having no preservatives.

Costco’s famed $4.99 rotisserie chicken is under fire in a proposed class action lawsuit claiming that the big box warehouse falsely advertised that its birds were preservative free.

The complaint was filed on January 22, 2026, in the U.S. District Court for the Southern District of California.