J & J BOAT WORKS INC HIN Decoder
Hull Identification Numbers beginning with JYJ were assigned by the US Coast Guard to J & J BOAT WORKS INC of MADISON, IN. The builder is listed in the USCG MIC database. Enter the full 12-character HIN below for build date, model year, and serial — free, no account.
MIC
JYJ
Location
MADISON, IN
In business
since 2004
Status
Listed active in USCG records
J & J BOAT WORKS INC hulls (2004–present) 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
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J & J BOAT WORKS INC HIN FAQ
What does a J & J BOAT WORKS INC HIN look like?
It starts with the three characters "JYJ" — the Manufacturer Identification Code the US Coast Guard assigned to J & J BOAT WORKS INC — followed by a 5-character hull serial and a 4-character date code, 12 characters total. J & J BOAT WORKS INC hulls (2004–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is J & J BOAT WORKS INC still in business?
USCG records list J & J BOAT WORKS INC of MADISON, IN in the MIC database (registered 2004).
How do I decode the year on a J & J BOAT WORKS INC HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. J & J BOAT WORKS INC hulls (2004–present) 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 IN
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "J & J BOAT WORKS INC HIN Decoder," carwhere.com/hin-decoder/jyj, last verified 2026-06-12.