Wash. Rev. Code § 87.06.060
(3) A party with an interest in real property subject to foreclosure within the district may file a written answer within the time permitted by RCW 87.06.040(1)(d) asserting an objection or defense to the entry of a foreclosure judgment against the property. However, defenses or objections shall be limited to:
[ 2004 c 215 s 5; 1988 c 134 s 6.]