Seattle, WA, Originally passed in 1986 included within sexual orientation
Amended in 1999 with new definition of gender identity
Title 14 HUMAN RIGHTS, Chapter 14.04 FAIR EMPLOYMENT PRACTICES, Sec. 14.04.030 Definitions:
"Gender identity" means a person's identity, expression, or physical characteristics, whether or not traditionally associated with one's biological sex or one's sex at birth, including transsexual, transvestite, and transgendered, and including a person's attitudes, preferences, beliefs, and practices pertaining thereto.

Olympia, WA, Passed in 1997
Ordinance No. 5670 Amending sections of Chapter 5.80 of the Olympia Municipal Code
Sec. 5.80.020 Definitions. "Gender Identity" includes the status of being transsexual, transvestite, or transgender.

Tacoma, WA, Passed in 2002
Tacoma's law prohibits discrimination based on sexual orientation and gender identity in both public and private employment, in housing and in school or college admissions.According to the law, sexual orientation shall mean "actual or perceived homosexuality, bisexuality, heterosexuality." Gender identity shall mean "the status or perception of being transsexual, intersexed (possessing aspects of both genders), transvestite or transgendered."