BOATS BY THURSTON LLC HIN Decoder
Hull Identification Numbers beginning with THT were assigned by the US Coast Guard to BOATS BY THURSTON LLC of GRASS VALLEY, 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
THT
Location
GRASS VALLEY, CA
In business
since 2011
Status
Listed active in USCG records
BOATS BY THURSTON LLC hulls (2011–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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BOATS BY THURSTON LLC HIN FAQ
What does a BOATS BY THURSTON LLC HIN look like?
It starts with the three characters "THT" — the Manufacturer Identification Code the US Coast Guard assigned to BOATS BY THURSTON LLC — followed by a 5-character hull serial and a 4-character date code, 12 characters total. BOATS BY THURSTON LLC hulls (2011–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is BOATS BY THURSTON LLC still in business?
USCG records list BOATS BY THURSTON LLC of GRASS VALLEY, CA in the MIC database (registered 2011).
How do I decode the year on a BOATS BY THURSTON LLC HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. BOATS BY THURSTON LLC hulls (2011–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, "BOATS BY THURSTON LLC HIN Decoder," carwhere.com/hin-decoder/tht, last verified 2026-06-12.