GRIFFIS FIBERGLASS INC HIN Decoder
Hull Identification Numbers beginning with GSF were assigned by the US Coast Guard to GRIFFIS FIBERGLASS INC of STARKE, FL. 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
GSF
Location
STARKE, FL
In business
since 1973
Status
Listed active in USCG records
GRIFFIS FIBERGLASS INC built hulls across both HIN eras (1973–present): boats before August 1984 carry legacy straight-year or model-year date codes; later hulls use the current month-letter format. The decoder handles all three.
Free · no account · the HIN is on the transom, upper starboard (right) corner
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GRIFFIS FIBERGLASS INC HIN FAQ
What does a GRIFFIS FIBERGLASS INC HIN look like?
It starts with the three characters "GSF" — the Manufacturer Identification Code the US Coast Guard assigned to GRIFFIS FIBERGLASS INC — followed by a 5-character hull serial and a 4-character date code, 12 characters total. GRIFFIS FIBERGLASS INC built hulls across both HIN eras (1973–present): boats before August 1984 carry legacy straight-year or model-year date codes; later hulls use the current month-letter format. The decoder handles all three.
Is GRIFFIS FIBERGLASS INC still in business?
USCG records list GRIFFIS FIBERGLASS INC of STARKE, FL in the MIC database (registered 1973).
How do I decode the year on a GRIFFIS FIBERGLASS INC HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. GRIFFIS FIBERGLASS INC built hulls across both HIN eras (1973–present): boats before August 1984 carry legacy straight-year or model-year date codes; later hulls use the current month-letter format. The decoder handles all three. Enter the full 12-character HIN above and the decoder works it out, including the legacy formats.
Other builders in FL
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "GRIFFIS FIBERGLASS INC HIN Decoder," carwhere.com/hin-decoder/gsf, last verified 2026-06-12.