BOSTON BOATWORKS LLC HIN Decoder
Hull Identification Numbers beginning with EOU were assigned by the US Coast Guard to BOSTON BOATWORKS LLC of CHARLESTOWN, MA. 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
EOU
Location
CHARLESTOWN, MA
In business
since 1997
Status
Listed active in USCG records
BOSTON BOATWORKS LLC hulls (1997–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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BOSTON BOATWORKS LLC HIN FAQ
What does a BOSTON BOATWORKS LLC HIN look like?
It starts with the three characters "EOU" — the Manufacturer Identification Code the US Coast Guard assigned to BOSTON BOATWORKS LLC — followed by a 5-character hull serial and a 4-character date code, 12 characters total. BOSTON BOATWORKS LLC hulls (1997–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is BOSTON BOATWORKS LLC still in business?
USCG records list BOSTON BOATWORKS LLC of CHARLESTOWN, MA in the MIC database (registered 1997).
How do I decode the year on a BOSTON BOATWORKS LLC HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. BOSTON BOATWORKS LLC hulls (1997–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 MA
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "BOSTON BOATWORKS LLC HIN Decoder," carwhere.com/hin-decoder/eou, last verified 2026-06-12.