COLD WATER BOATS HIN Decoder
Hull Identification Numbers beginning with GKF were assigned by the US Coast Guard to COLD WATER BOATS of MARYSVILLE, WA. 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
GKF
Location
MARYSVILLE, WA
In business
since 2002
Status
Listed active in USCG records
COLD WATER BOATS hulls (2002–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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COLD WATER BOATS HIN FAQ
What does a COLD WATER BOATS HIN look like?
It starts with the three characters "GKF" — the Manufacturer Identification Code the US Coast Guard assigned to COLD WATER BOATS — followed by a 5-character hull serial and a 4-character date code, 12 characters total. COLD WATER BOATS hulls (2002–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is COLD WATER BOATS still in business?
USCG records list COLD WATER BOATS of MARYSVILLE, WA in the MIC database (registered 2002).
How do I decode the year on a COLD WATER BOATS HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. COLD WATER BOATS hulls (2002–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 WA
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "COLD WATER BOATS HIN Decoder," carwhere.com/hin-decoder/gkf, last verified 2026-06-12.