GRB HIN Decoder
Hull Identification Numbers beginning with GRE were assigned by the US Coast Guard to GRB of CANTON, NY. 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
GRE
Location
CANTON, NY
In business
since 1993
Status
Listed active in USCG records
GRB hulls (1993–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
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+).
GRB HIN FAQ
What does a GRB HIN look like?
It starts with the three characters "GRE" — the Manufacturer Identification Code the US Coast Guard assigned to GRB — followed by a 5-character hull serial and a 4-character date code, 12 characters total. GRB hulls (1993–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is GRB still in business?
USCG records list GRB of CANTON, NY in the MIC database (registered 1993).
How do I decode the year on a GRB HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. GRB hulls (1993–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 NY
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "GRB HIN Decoder," carwhere.com/hin-decoder/gre, last verified 2026-06-12.