MT DIABLO BOATS HIN Decoder
Hull Identification Numbers beginning with DZL were assigned by the US Coast Guard to MT DIABLO BOATS of REDWOOD CITY, CA. 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
DZL
Location
REDWOOD CITY, CA
In business
since 1995
Status
Listed active in USCG records
MT DIABLO BOATS hulls (1995–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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MT DIABLO BOATS HIN FAQ
What does a MT DIABLO BOATS HIN look like?
It starts with the three characters "DZL" — the Manufacturer Identification Code the US Coast Guard assigned to MT DIABLO BOATS — followed by a 5-character hull serial and a 4-character date code, 12 characters total. MT DIABLO BOATS hulls (1995–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is MT DIABLO BOATS still in business?
USCG records list MT DIABLO BOATS of REDWOOD CITY, CA in the MIC database (registered 1995).
How do I decode the year on a MT DIABLO BOATS HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. MT DIABLO BOATS hulls (1995–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 CA
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "MT DIABLO BOATS HIN Decoder," carwhere.com/hin-decoder/dzl, last verified 2026-06-12.