Quick answer
In Idaho, registration is required for: All motorized vessels operated on Idaho waters. Registration is handled by the Idaho Department of Parks and Recreation (IDPR), is valid for 1 year (expires December 31), and costs $41.50 to $57.50 before any purchase tax or local add-ons.
Official source: Idaho Department of Parks and Recreation (IDPR) · Last checked in site data: June 23, 2026 · All official state agencies
Vessel Types & Exemptions
In Idaho, registration is required for: All motorized vessels operated on Idaho waters. There are 2 categories of exempt vessels.
Registration is required for: All motorized vessels operated on Idaho waters
Exempt from registration:
- Non-motorized vessels (must display invasive species sticker if non-resident)
- Non-residents with valid home-state registration for up to 60 consecutive days
Registration Fees & Costs
Idaho boat registration fees range from $41.50 to $57.50 depending on vessel length and type. The state applies a 6% sales tax, and title fees are $14.00.
| Vessel Class | Reg. Fee | Total |
|---|---|---|
| 12 ft and under (annual) | $30.00 | $41.50 |
| Over 12 ft (annual, example: 20 ft) | $46.00 | $57.50 |
Sales Tax Rate: 6%
Title Fee: $14.00
How to Register Your Boat in Idaho
To register a boat in Idaho, you must apply within Before operating on public waters of purchase through the Idaho Department of Parks and Recreation (IDPR). Online registration is available. Registration is valid for 1 year (expires December 31).
Registration can be completed:
- Online: Through the Idaho Department of Parks and Recreation (IDPR) portal
- In Person: At your local Idaho Department of Parks and Recreation (IDPR) office
- By Mail: Download forms from the official website
Required Documents
- Completed registration application form
- Bill of Sale or Manufacturer's Certificate of Origin (MCO)
- Valid photo identification
- Proof of sales tax payment
- Hull Identification Number (HIN) verification
Idaho Boat Title & Title Transfer
Idaho requires a boat title for vessels with permanently attached propulsion (model year 2000+); non-exempt vessels over 12 ft (model year 2000+); any financed vessel. The title application fee is $14.00, and transfers cost $14.00.
Title required: Yes — Vessels with permanently attached propulsion (model year 2000+); non-exempt vessels over 12 ft (model year 2000+); any financed vessel
Title application fee: $14.00
Title transfer fee: $14.00
Required Documents for Title Transfer
- Manufacturer's Certificate of Origin (new vessels)
- Previous title (used vessels)
- Bill of Sale
- Valid photo ID
For a detailed guide on the title transfer process, see our Boat Title Transfer Guide.
Buying or Selling a Boat in Idaho
If you are selling a boat in Idaho, give the buyer a signed bill of sale, current registration records, and any title or ownership documents required by the Idaho Department of Parks and Recreation (IDPR). If you are buying, do not rely on the seller's word alone: match the Hull Identification Number (HIN) on the paperwork to the boat and confirm whether liens or title defects exist before paying.
| Transfer item | What to prepare in ID |
|---|---|
| Seller | Signed bill of sale, current registration, and release of interest. Sign the existing title exactly as the owner name appears. |
| Buyer | Photo ID, application, payment for registration fees, tax if due, and proof of ownership. Verify the HIN before filing. |
| Title | Required for vessels with permanently attached propulsion (model year 2000+); non-exempt vessels over 12 ft (model year 2000+); any financed vessel; title transfer fee is $14.00. |
| Tax | 6% sales or use tax may apply. |
For buyer and seller paperwork, use the boat bill of sale template, check how to look for liens, and compare boat title transfer fees by state.
Idaho Boat Registration Renewal
Validity period: 1 year (expires December 31)
Idaho boat registration renewal follows the same agency channel as initial registration. Online renewal or online registration services are listed as available in current ID state data. Renew before the expiration date to avoid operating with expired registration.
For more details, see our Boat Registration Renewal Guide.
Boater Safety Education Requirements
Idaho does not require a boater safety course for boat operators.
Required: No
Who must complete it: Idaho does not mandate statewide boater education. PWC renters must receive instruction from rental business. OUI offenders must complete a boating course. Some counties have local age restrictions.
Accepted courses: IDPR courses, NASBLA-approved online providers recommended
Course cost: Varies by provider
Registration Number Display Rules
Number format: ID 1234 AB
Minimum font height: 3 inches minimum
Font style: Block letters, contrasting color to hull
Placement: Both sides of bow, forward half
Sticker placement: Within 6 inches of registration number
For federal rules on registration number display, see our Number Display Rules Guide.
How Idaho Compares to Neighboring States
| State | Min. Fee | Validity | Title Req. | Sales Tax |
|---|---|---|---|---|
| Idaho | $41.50 | 1 year (expires December 31) | Yes | 6% |
| Montana | $65.50 | Permanent (one-time fee; no validation decals required starting 2025) | Yes | 0% |
| Nevada | $20.00 | 1 year (expires December 31) | Yes | 6.85% |
| Oregon | $115.10 | 2 years (biennial, expires December 31) | Yes | 0% |
| Utah | $45.50 | 1 year (annual renewal) | Yes | 6.1% |
| Washington | $43.25 | 1 year (annual renewal) | Yes | 6.5% |
| Wyoming | $40.00 | 1 year or 3 years | Yes | 4% |
Idaho Boat Registration FAQ
How much does it cost to register a boat in Idaho?
Do I need a title for my boat in Idaho?
Is boater education required in Idaho?
Do non-residents need an invasive species sticker?
Can non-residents operate boats in Idaho?
How are Idaho registration fees calculated for longer boats?
Start Your Registration
Ready to register your boat in Idaho? Visit the official Idaho Department of Parks and Recreation (IDPR) website or use our tools to estimate costs.
Related Resources
This information is provided for reference purposes only. While we strive to keep data accurate and verified for 2026, registration requirements and fees may change. Contact the Idaho Department of Parks and Recreation (IDPR) at 208-514-2150 for the most current information.