COPPER HARBOR BOATWORKS LLC HIN Decoder
Hull Identification Numbers beginning with CHB were assigned by the US Coast Guard to COPPER HARBOR BOATWORKS LLC of COPPER HARBOR, MI. 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
CHB
Location
COPPER HARBOR, MI
In business
since 2009
Status
Listed active in USCG records
COPPER HARBOR BOATWORKS LLC hulls (2009–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+).
COPPER HARBOR BOATWORKS LLC HIN FAQ
What does a COPPER HARBOR BOATWORKS LLC HIN look like?
It starts with the three characters "CHB" — the Manufacturer Identification Code the US Coast Guard assigned to COPPER HARBOR BOATWORKS LLC — followed by a 5-character hull serial and a 4-character date code, 12 characters total. COPPER HARBOR BOATWORKS LLC hulls (2009–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is COPPER HARBOR BOATWORKS LLC still in business?
USCG records list COPPER HARBOR BOATWORKS LLC of COPPER HARBOR, MI in the MIC database (registered 2009).
How do I decode the year on a COPPER HARBOR 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. COPPER HARBOR BOATWORKS LLC hulls (2009–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 MI
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "COPPER HARBOR BOATWORKS LLC HIN Decoder," carwhere.com/hin-decoder/chb, last verified 2026-06-12.