Creates a licensing scheme for scrap metal businesses. Expands criminal penalties for metal theft and malicious mischief. Allows for civil forfeiture for any property used in the commission of a crime involving the Theft, Trafficking, or Unlawful Possession of Commercial Metal Property. Creates a database by which scrap metal businesses may determine if a potential client has a criminal conviction which makes him or her ineligible to sell property to a licensed business. Creates the Washington Metal Theft Prevention Authority.