Cost to own a deck boat in Washington
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) | $3,708 | 6.5% state + local -- sales/use tax at local rate; proof required. Cap: none found: sales/use tax at combined rate plus 0.5% recreational vessel tax; no cap stated. Local tax may be added. |
| Title (once) | $5 | State title fee. |
| Registration (per year) | $16 | $16 every 1 yr (flat (annual)). Extra service/county fees not included. |
| Maintenance (per year) | $5,704 | 10% of boat value, a rule of thumb from discoverboating.com; not a measured average. |
| Property tax | — | Watercraft excise instead — not included in these totals. |
| At purchase (tax + title) | $3,713 | plus the boat price |
| Per year, sourced lines | $5,720 | about $477/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: Washington boating rules · all deck boat models
Sources
- Registering agency: Washington Department of Licensing (registration/title); State Parks Boating Program (education)
- dol.wa.gov
- dol.wa.gov
- dor.wa.gov
- dol.wa.gov
- dor.wa.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.