If the address or identity of a person for whom the required notices are intended is not known to or reasonably discoverable at the time the notice is given by the seller or the seller's agent or attorney giving the notice, the required notices shall be given to such person by posting a copy in a conspicuous place on the property and publishing a copy thereof. The notice shall be directed to the attention of all persons for whom the notice is intended, including the names of the persons, if so known or reasonably discoverable. The publication shall be made in a newspaper approved pursuant to RCW 65.16.040 and published in each county in which any of the property is located or, if no approved newspaper is published in the county, in an adjoining county, and if no approved newspaper is published in the county or adjoining county, then in an approved newspaper published in the capital of the state. The notice of intent to forfeit shall be published once a week for two consecutive weeks. The declaration of forfeiture shall be published once.
RCW 61.30.050