WARREN REINFORCED HIN Decoder
Hull Identification Numbers beginning with WRP were assigned by the US Coast Guard to WARREN REINFORCED of WARREN, OH. The company is recorded as out of business since 1983 — common for older hulls, and useful to know when hunting parts or records. Enter the full 12-character HIN below for build date, model year, and serial — free, no account.
MIC
WRP
Location
WARREN, OH
In business
since 1979
Status
Out of business (1983)
WARREN REINFORCED hulls (1979–1983) predate the current HIN format — expect the legacy straight-year (MMYY) or model-year (M + year + month letter) date codes used 1972–1984.
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+).
WARREN REINFORCED HIN FAQ
What does a WARREN REINFORCED HIN look like?
It starts with the three characters "WRP" — the Manufacturer Identification Code the US Coast Guard assigned to WARREN REINFORCED — followed by a 5-character hull serial and a 4-character date code, 12 characters total. WARREN REINFORCED hulls (1979–1983) predate the current HIN format — expect the legacy straight-year (MMYY) or model-year (M + year + month letter) date codes used 1972–1984.
Is WARREN REINFORCED still in business?
USCG records list WARREN REINFORCED as out of business since 1983. That's common for older hulls — the HIN still decodes normally, and the out-of-business date helps date the boat and guides parts-hunting toward salvage and owner groups rather than a dealer network.
How do I decode the year on a WARREN REINFORCED HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. WARREN REINFORCED hulls (1979–1983) predate the current HIN format — expect the legacy straight-year (MMYY) or model-year (M + year + month letter) date codes used 1972–1984. Enter the full 12-character HIN above and the decoder works it out, including the legacy formats.
Other builders in OH
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "WARREN REINFORCED HIN Decoder," carwhere.com/hin-decoder/wrp, last verified 2026-06-12.