ST JOHNS FABRICATORS INC HIN Decoder
Hull Identification Numbers beginning with SJF were assigned by the US Coast Guard to ST JOHNS FABRICATORS INC of GREEN COVE SPRINGS, FL. The company is recorded as out of business since 2009 — common for older hulls, and useful to know when hunting parts or records. Enter the full 12-character HIN below for build date, model year, and serial — free, no account.
MIC
SJF
Location
GREEN COVE SPRINGS, FL
In business
since 1992
Status
Out of business (2009)
ST JOHNS FABRICATORS INC hulls (1992–2009) 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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ST JOHNS FABRICATORS INC HIN FAQ
What does a ST JOHNS FABRICATORS INC HIN look like?
It starts with the three characters "SJF" — the Manufacturer Identification Code the US Coast Guard assigned to ST JOHNS FABRICATORS INC — followed by a 5-character hull serial and a 4-character date code, 12 characters total. ST JOHNS FABRICATORS INC hulls (1992–2009) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is ST JOHNS FABRICATORS INC still in business?
USCG records list ST JOHNS FABRICATORS INC as out of business since 2009. That's common for older hulls — the HIN still decodes normally, and the out-of-business date helps date the boat and guides parts-hunting toward salvage and owner groups rather than a dealer network.
How do I decode the year on a ST JOHNS FABRICATORS INC HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. ST JOHNS FABRICATORS INC hulls (1992–2009) 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 FL
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "ST JOHNS FABRICATORS INC HIN Decoder," carwhere.com/hin-decoder/sjf, last verified 2026-06-12.