HRH DESIGNS HIN Decoder
Hull Identification Numbers beginning with HRH were assigned by the US Coast Guard to HRH DESIGNS of COSTA MESA, 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
HRH
Location
COSTA MESA, CA
In business
since 2018
Status
Listed active in USCG records
HRH DESIGNS hulls (2018–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+).
HRH DESIGNS HIN FAQ
What does a HRH DESIGNS HIN look like?
It starts with the three characters "HRH" — the Manufacturer Identification Code the US Coast Guard assigned to HRH DESIGNS — followed by a 5-character hull serial and a 4-character date code, 12 characters total. HRH DESIGNS hulls (2018–present) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is HRH DESIGNS still in business?
USCG records list HRH DESIGNS of COSTA MESA, CA in the MIC database (registered 2018).
How do I decode the year on a HRH DESIGNS HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. HRH DESIGNS hulls (2018–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, "HRH DESIGNS HIN Decoder," carwhere.com/hin-decoder/hrh, last verified 2026-06-12.