SORENSEN MARINE MFG, INC HIN Decoder
Hull Identification Numbers beginning with THE were assigned by the US Coast Guard to SORENSEN MARINE MFG, INC of SEATTLE, WA. The company is recorded as out of business since 2013 — 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
THE
Location
SEATTLE, WA
In business
since 1975
Status
Out of business (2013)
SORENSEN MARINE MFG, INC built hulls across both HIN eras (1975–2013): boats before August 1984 carry legacy straight-year or model-year date codes; later hulls use the current month-letter format. The decoder handles all three.
Free · no account · the HIN is on the transom, upper starboard (right) corner
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SORENSEN MARINE MFG, INC HIN FAQ
What does a SORENSEN MARINE MFG, INC HIN look like?
It starts with the three characters "THE" — the Manufacturer Identification Code the US Coast Guard assigned to SORENSEN MARINE MFG, INC — followed by a 5-character hull serial and a 4-character date code, 12 characters total. SORENSEN MARINE MFG, INC built hulls across both HIN eras (1975–2013): boats before August 1984 carry legacy straight-year or model-year date codes; later hulls use the current month-letter format. The decoder handles all three.
Is SORENSEN MARINE MFG, INC still in business?
USCG records list SORENSEN MARINE MFG, INC as out of business since 2013. 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 SORENSEN MARINE MFG, INC HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. SORENSEN MARINE MFG, INC built hulls across both HIN eras (1975–2013): boats before August 1984 carry legacy straight-year or model-year date codes; later hulls use the current month-letter format. The decoder handles all three. Enter the full 12-character HIN above and the decoder works it out, including the legacy formats.
Other builders in WA
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "SORENSEN MARINE MFG, INC HIN Decoder," carwhere.com/hin-decoder/the, last verified 2026-06-12.