Boulder Boat Works — HIN at a glance
| Manufacturer | Boulder Boat Works |
|---|---|
| City | Carbondale |
| State | Colorado |
| Country | United States |
| MIC code | BOU |
| HIN format | USCG (12 characters) |
| Status | Active |
| Boat types | Airboat |
Decode a Boulder Boat Works HIN
Paste any HIN starting with BOU — we'll decode the serial number, build month, build year and model year instantly.
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About the USCG HIN format
Boulder Boat Works is registered with the US Coast Guard and stamps a standard 12-character Hull Identification Number on every vessel produced for the US market. The format breaks down as:
BOU NNNNN M Y YY └┬┘ └──┬──┘ │ │ └┬┘ │ │ │ │ └─ Model year (last two digits) │ │ │ └──── Production year (last digit, 1972 standard) │ │ └────── Production month (A=Jan, B=Feb ... L=Dec, skipping I) │ └──────────── Hull serial number (alphanumeric) └─────────────── MIC: Manufacturer Identifier Code (BOU)
Federal regulation 33 CFR § 181 requires every US-built or imported recreational vessel to display this HIN permanently on the upper starboard side of the transom, and a duplicate HIN in a hidden location inside the hull.
Other Colorado boat manufacturers
- Colorado Homemade Boats (
CLZ) - Creature Craft (
CRE) - Down River Equipment CO (
DRC) - Fuller Style INC (
FUL) - Hog Island Boat Works (
HQG) - Hansa Sailing Us LLC (
HSU) - Valley Marine INC (
KPS) - Kokopelli Outdoor (
KRD) - Long Haul Folding Kayaks (Dba (
LHM) - Marshall Marine CO (
MMO) - Retroboats LLC (
RET) - Sage Marine LLC (
SAE)
Frequently asked questions
What is the MIC code for Boulder Boat Works?
Boulder Boat Works is assigned USCG Manufacturer Identifier Code (MIC) BOU. All Boulder Boat Works boat HINs begin with these three characters.
How long is a Boulder Boat Works HIN?
Boulder Boat Works uses the US HIN format: 12 characters total. The first 3 are the MIC, followed by 5 serial-number characters, 1-letter month, 1-digit year, and 2-digit model year.
Is Boulder Boat Works still in business?
Boulder Boat Works is currently listed as active in the US Coast Guard MIC database (last published October 2019). Even out-of-business manufacturers' HINs remain valid identifiers for the boats they built.