WILLAMETTE VALLEY BOAT WORKS HIN Decoder
Hull Identification Numbers beginning with WAM were assigned by the US Coast Guard to WILLAMETTE VALLEY BOAT WORKS of HARRISBURG, OR. The company is recorded as out of business since 2003 — common for older hulls, and useful to know when hunting parts or records. Enter the full 12-character HIN below for build date, model year, and serial — free, no account.
MIC
WAM
Location
HARRISBURG, OR
In business
since 1991
Status
Out of business (2003)
WILLAMETTE VALLEY BOAT WORKS hulls (1991–2003) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Free · no account · the HIN is on the transom, upper starboard (right) corner
The optional $19.99 Boat History Report adds stolen-boat, salvage/auction, incident, and USCG documentation checks — one-time, no subscription (typical boat-history services charge $25+).
WILLAMETTE VALLEY BOAT WORKS HIN FAQ
What does a WILLAMETTE VALLEY BOAT WORKS HIN look like?
It starts with the three characters "WAM" — the Manufacturer Identification Code the US Coast Guard assigned to WILLAMETTE VALLEY BOAT WORKS — followed by a 5-character hull serial and a 4-character date code, 12 characters total. WILLAMETTE VALLEY BOAT WORKS hulls (1991–2003) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is WILLAMETTE VALLEY BOAT WORKS still in business?
USCG records list WILLAMETTE VALLEY BOAT WORKS as out of business since 2003. That's common for older hulls — the HIN still decodes normally, and the out-of-business date helps date the boat and guides parts-hunting toward salvage and owner groups rather than a dealer network.
How do I decode the year on a WILLAMETTE VALLEY BOAT WORKS HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. WILLAMETTE VALLEY BOAT WORKS hulls (1991–2003) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits. Enter the full 12-character HIN above and the decoder works it out, including the legacy formats.
Other builders in OR
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "WILLAMETTE VALLEY BOAT WORKS HIN Decoder," carwhere.com/hin-decoder/wam, last verified 2026-06-12.