RIVERSIDE BOATWORKS HIN Decoder
Hull Identification Numbers beginning with RBX were assigned by the US Coast Guard to RIVERSIDE BOATWORKS of DULUTH, MN. 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
RBX
Location
DULUTH, MN
In business
since 1994
Status
Listed active in USCG records
RIVERSIDE BOATWORKS hulls (1994–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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RIVERSIDE BOATWORKS HIN FAQ
What does a RIVERSIDE BOATWORKS HIN look like?
It starts with the three characters "RBX" — the Manufacturer Identification Code the US Coast Guard assigned to RIVERSIDE BOATWORKS — followed by a 5-character hull serial and a 4-character date code, 12 characters total. RIVERSIDE BOATWORKS hulls (1994–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is RIVERSIDE BOATWORKS still in business?
USCG records list RIVERSIDE BOATWORKS of DULUTH, MN in the MIC database (registered 1994).
How do I decode the year on a RIVERSIDE BOATWORKS HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. RIVERSIDE BOATWORKS hulls (1994–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 MN
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "RIVERSIDE BOATWORKS HIN Decoder," carwhere.com/hin-decoder/rbx, last verified 2026-06-12.