HOLLOW METAL DOOR SERVICE HIN Decoder
Hull Identification Numbers beginning with GZH were assigned by the US Coast Guard to HOLLOW METAL DOOR SERVICE of ELMIRA, OR. The company is recorded as out of business since 2009 — 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
GZH
Location
ELMIRA, OR
In business
since 2005
Status
Out of business (2009)
HOLLOW METAL DOOR SERVICE hulls (2005–2009) 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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HOLLOW METAL DOOR SERVICE HIN FAQ
What does a HOLLOW METAL DOOR SERVICE HIN look like?
It starts with the three characters "GZH" — the Manufacturer Identification Code the US Coast Guard assigned to HOLLOW METAL DOOR SERVICE — followed by a 5-character hull serial and a 4-character date code, 12 characters total. HOLLOW METAL DOOR SERVICE hulls (2005–2009) all use the current HIN format: a month letter (A=January…L=December), a certification-year digit, then two model-year digits.
Is HOLLOW METAL DOOR SERVICE still in business?
USCG records list HOLLOW METAL DOOR SERVICE as out of business since 2009. 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 HOLLOW METAL DOOR SERVICE HIN?
On current-format HINs the last two characters are the model year and the 9th–10th encode the certification month and year. HOLLOW METAL DOOR SERVICE hulls (2005–2009) 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 OR
Sources: USCG Manufacturer Identification Code database (uscgboating.org, refreshed monthly) · HIN format per 33 CFR 181 subpart C. Cite this page: CarWhere, "HOLLOW METAL DOOR SERVICE HIN Decoder," carwhere.com/hin-decoder/gzh, last verified 2026-06-12.