Cost to own a deck boat in Idaho
Example: the Starcraft 190 Dc Ob, 18' 11", at its published builder price of $57,042 (starcraftmarine.com). It is the middle-priced of 28 deck boat models with a published price ($27,024 – $98,932).
| Cost | Amount | Basis |
|---|---|---|
| Sales/use tax (once) | $3,423 | 6% of purchase price (less dealer trade-in). |
| Title (once) | $14 | State title fee. |
| Registration (per year) | $44 | $44 every 1 yr (formula: $30 + $2/ft over 12 ft). |
| Maintenance (per year) | $5,704 | 10% of boat value, a rule of thumb from discoverboating.com; not a measured average. |
| Property tax | — | No if registered in Idaho — not included in these totals. |
| At purchase (tax + title) | $3,437 | plus the boat price |
| Per year, sourced lines | $5,748 | about $479/month; partial |
Costs you add yourself
We have no official per-state figure for these, so they are not in the totals above.
- Storage: outdoor storage runs about $600 – $3,600 a year nationally (discoverboating.com, $/month × 12). Keeping it on a trailer at home can be $0.
- Insurance: no public premium data; get a quote. Insurance matcher
- Fuel: the Starcraft 190 Dc Ob holds 45 gal. No official or public marina-fuel dataset found. EIA on-road retail gasoline/diesel by region is a proxy only.
- Loan: these numbers assume cash. Add your rate and term in the calculator.
Run the full calculator for this boat
More: Idaho boating rules · all deck boat models
Sources
- Registering agency: Idaho Dept of Parks and Recreation (via ITD/county DMV offices)
- itd.idaho.gov
- itd.idaho.gov
- tax.idaho.gov
- legislature.idaho.gov
- Boat price and length: starcraftmarine.com
State rules checked 2026-11-05. Fees change; confirm with the agency. Calculated with the same engine as the true cost tool.