ROTH BOAT BUILDERS HIN Decoder
Hull Identification Numbers beginning with ROT were assigned by the US Coast Guard to ROTH BOAT BUILDERS of MARSHFIELD, 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
ROT
Location
MARSHFIELD, MA
In business
since 1991
Status
Listed active in USCG records
ROTH BOAT BUILDERS hulls (1991–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+).
ROTH BOAT BUILDERS HIN FAQ
What does a ROTH BOAT BUILDERS HIN look like?
It starts with the three characters "ROT" — the Manufacturer Identification Code the US Coast Guard assigned to ROTH BOAT BUILDERS — followed by a 5-character hull serial and a 4-character date code, 12 characters total. ROTH BOAT BUILDERS hulls (1991–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is ROTH BOAT BUILDERS still in business?
USCG records list ROTH BOAT BUILDERS of MARSHFIELD, MA in the MIC database (registered 1991).
How do I decode the year on a ROTH BOAT BUILDERS HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. ROTH BOAT BUILDERS hulls (1991–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, "ROTH BOAT BUILDERS HIN Decoder," carwhere.com/hin-decoder/rot, last verified 2026-06-12.