Washington Revised Code Title 84. Property Taxes § 84.36.070. Intangible personal property--Appraisal

(a) All moneys and credits including mortgages, notes, accounts, certificates of deposit, tax certificates, judgments, state, county and municipal bonds and warrants and bonds and warrants of other taxing districts, bonds of the United States and of foreign countries or political subdivisions thereof and the bonds, stocks, or shares of private corporations;

(b) Private nongovernmental personal service contracts, private nongovernmental athletic or sports franchises, or private nongovernmental athletic or sports agreements provided that the contracts, franchises, or agreements do not pertain to the use or possession of tangible personal or real property or to any interest in tangible personal or real property; and

(c) Other intangible personal property such as trademarks, trade names, brand names, patents, copyrights, trade secrets, franchise agreements, licenses, permits, core deposits of financial institutions, noncompete agreements, customer lists, patient lists, favorable contracts, favorable financing agreements, reputation, exceptional management, prestige, good name, or integrity of a business.