{"data":{"id":"us-wa/rcw-86.09.439","jurisdiction":"us-wa","citation":"RCW 86.09.439","heading":"Assessments—Conclusiveness of base assessment map.","body":"Upon the signing of said order by said county legislative authority and the attachment of the same to said base assessment map, said base assessment map and all things set out on the face thereof shall be conclusive in all things upon all parties, unless appealed from to the superior court in the manner and within the time herein provided.","path":["Title 86","Chapter 86.09"],"source_url":"https://app.leg.wa.gov/rcw/default.aspx?cite=86.09.439","current_through":"July 15, 2026","vintage":"","retrieved_at":"2026-09-06T02:16:43Z","sha256":"feb6415da4f4b70a4517060b9977c22e1ec0c254cbbb02c39e0002287f695b35","source_id":"us-wa","stale":false,"prev":"us-wa/rcw-86.09.433","next":"us-wa/rcw-86.09.442"},"notice":"GroundRules: Original legal text. Not legal advice."}