BOULDER BOAT WORKS INC HIN Decoder
Hull Identification Numbers beginning with TZQ were assigned by the US Coast Guard to BOULDER BOAT WORKS INC of LONGMONT, CO. 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
TZQ
Location
LONGMONT, CO
In business
since 2002
Status
Listed active in USCG records
BOULDER BOAT WORKS INC hulls (2002–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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BOULDER BOAT WORKS INC HIN FAQ
What does a BOULDER BOAT WORKS INC HIN look like?
It starts with the three characters "TZQ" — the Manufacturer Identification Code the US Coast Guard assigned to BOULDER BOAT WORKS INC — followed by a 5-character hull serial and a 4-character date code, 12 characters total. BOULDER BOAT WORKS INC hulls (2002–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is BOULDER BOAT WORKS INC still in business?
USCG records list BOULDER BOAT WORKS INC of LONGMONT, CO in the MIC database (registered 2002).
How do I decode the year on a BOULDER BOAT WORKS INC HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. BOULDER BOAT WORKS INC hulls (2002–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 CO
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "BOULDER BOAT WORKS INC HIN Decoder," carwhere.com/hin-decoder/tzq, last verified 2026-06-12.