The law of the search
Metal Detecting and Treasure Laws in Washington
MixedMetal detecting. Only in specified portions of approved parks (posted maps + registration)
Treasure trove and found property. Lost-property; claims archaeological resources
Submerged and wrecks. Holds submerged-land wreck title (ASA)
Treasure trove and found property. Lost-property; claims archaeological resources
Submerged and wrecks. Holds submerged-land wreck title (ASA)
Worth knowing
No posted map/registration = not permitted there.
This is a plain-language starting point, not legal advice. The rules change and vary by county, city, park, and parcel, and federal land carries its own restrictions. Always confirm with the specific land manager or agency before you search, and record and report finds where the law requires it.
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