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 fees are summarized as Annual registration starts at $31.50 for 12 ft and under; longer boats add $2 per foot over 12 ft before any current portal or county charges; purchase tax or local add-ons may still apply.
Official source: Idaho Department of Parks and Recreation (IDPR) · Source status: Verified · 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 can depend on vessel length, type, and other agency rules. Current state data summarizes them as Annual registration starts at $31.50 for 12 ft and under; longer boats add $2 per foot over 12 ft before any current portal or county charges. Sales/use tax: 6% state sales/use tax base; local-option tax or exemptions may affect the final transaction. Title fee information: $14.00.
| Vessel Class | Reg. Fee | Total |
|---|---|---|
| 12 ft and under (annual) | $30.00 | $31.50 |
| Over 12 ft (annual, example: 20 ft) | $46.00 | $47.50 |
Sales Tax: 6% state sales/use tax base; local-option tax or exemptions may affect the final transaction
Title Fee: $14.00
How to Register Your Boat in Idaho
To register a boat in Idaho, follow the Idaho Department of Parks and Recreation (IDPR) process and complete registration before operating on public waters. Online registration is available. Registration is valid for 1 year (expires December 31).
Registration can be completed:
- Online services: Use the Idaho Department of Parks and Recreation (IDPR) portal for services the agency lists online; original documents may still be required for title or ownership transactions.
- In Person: At your local Idaho Department of Parks and Recreation (IDPR) office
- By Mail: Download forms from the official website
Documents to Check Before Filing
- Completed state registration application form, if the official agency requires one
- Ownership evidence such as a bill of sale, Manufacturer's Certificate of Origin (MCO), title, or prior registration
- Valid photo identification when required by the filing office
- Tax or fee payment documentation where applicable
- Hull Identification Number (HIN) details or inspection when requested by the official agency
Idaho Boat Title & Title Transfer
Idaho title rules: 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.
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
Documents to Check for Title or Ownership 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. If a title document or electronic title release is required, sign or release it exactly as the agency instructs. |
| Buyer | Photo ID, application, payment for registration fees, tax if due, and proof of ownership. Verify the HIN before filing. |
| Title | Vessels with permanently attached propulsion (model year 2000+); non-exempt vessels over 12 ft (model year 2000+); any financed vessel. Title transfer: $14.00. |
| Tax | 6% state sales/use tax base; local-option tax or exemptions may affect the final transaction. |
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: Display registration validation and invasive species stickers where Idaho registration or ISF materials direct
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 | $31.50 | 1 year (expires December 31) | Yes | 6% state sales/use tax base; local-option tax or exemptions may affect the final transaction |
| Montana | $65.50 | Permanent (one-time fee; no validation decals required starting 2025) | Yes | 0% sales tax |
| Nevada | $20.00 | 1 year (annual renewal; renewal opens December 1) | Yes | Sales/use tax proof is required when applicable; NDOW states occasional sales are not required |
| Oregon | $115.10 | 2 years (biennial, expires December 31) | Yes | No Oregon state sales tax, but OSMB title, registration, AIS, and waterway access permit fees can still apply |
| Utah | Varies | 1 year (annual renewal) | Yes | Sales/use tax varies by registration locality |
| Washington | $43.25 | 1 year (annual renewal) | Yes | 6.5% Washington state sales/use tax plus local tax may apply; annual watercraft excise tax and DOL filing fees can also apply |
| Wyoming | $40.00 | 1 year or 3 years | Yes | Wyoming state and local sales/use tax proof may be required before county title and WGFD registration are complete |
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.