Quick answer
In Iowa, registration is required for: All motorized vessels, sailboats, and non-motorized vessels on Iowa public waters. Registration is handled by the Iowa Department of Natural Resources (DNR), is valid for 3 years (May 1 to April 30 cycle), and costs $17.65 to $155.65 before any purchase tax or local add-ons.
Official source: Iowa Department of Natural Resources (DNR) · Last checked in site data: June 23, 2026 · All official state agencies
Vessel Types & Exemptions
In Iowa, registration is required for: All motorized vessels, sailboats, and non-motorized vessels on Iowa public waters. There are 1 categories of exempt vessels.
Registration is required for: All motorized vessels, sailboats, and non-motorized vessels on Iowa public waters
Exempt from registration:
- Vessels from another state used 60 or fewer non-consecutive days with valid registration
Registration Fees & Costs
Iowa boat registration fees range from $17.65 to $155.65 depending on vessel length and type. The state applies a 6% sales tax, and title fees are $13.50.
| Vessel Class | Reg. Fee | Total |
|---|---|---|
| Without motor or sail | $17.65 | $17.65 |
| < 16 ft with motor/sail | $28.15 | $28.15 |
| 16–25 ft with motor/sail | $41.65 | $41.65 |
| 26–39 ft with motor/sail | $80.65 | $80.65 |
| 40+ ft with motor/sail | $155.65 | $155.65 |
| Jet Ski / PWC | $50.65 | $50.65 |
Sales Tax Rate: 6%
Title Fee: $13.50
How to Register Your Boat in Iowa
To register a boat in Iowa, you must apply within Before operating on public waters of purchase through the Iowa Department of Natural Resources (DNR). Online registration is available. Registration is valid for 3 years (May 1 to April 30 cycle).
Registration can be completed:
- Online: Through the Iowa Department of Natural Resources (DNR) portal
- In Person: At your local Iowa Department of Natural Resources (DNR) 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
Iowa Boat Title & Title Transfer
Iowa requires a boat title for vessels 17 feet or longer (except canoes/kayaks), and all boats with a lien. The title application fee is $13.50, and transfers cost $13.50.
Title required: Yes — Vessels 17 feet or longer (except canoes/kayaks), and all boats with a lien
Title application fee: $13.50
Title transfer fee: $13.50
Required Documents for Title Transfer
- Manufacturer's Certificate of Origin (new vessels)
- Previous title (used vessels)
- Bill of Sale
- Proof of sales tax payment
- Valid photo ID
For a detailed guide on the title transfer process, see our Boat Title Transfer Guide.
Buying or Selling a Boat in Iowa
If you are selling a boat in Iowa, give the buyer a signed bill of sale, current registration records, and any title or ownership documents required by the Iowa Department of Natural Resources (DNR). 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 IA |
|---|---|
| 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 17 feet or longer (except canoes/kayaks), and all boats with a lien; title transfer fee is $13.50. |
| 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.
Iowa Boat Registration Renewal
Validity period: 3 years (May 1 to April 30 cycle)
Iowa boat registration renewal follows the same agency channel as initial registration. Online renewal or online registration services are listed as available in current IA 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
Iowa requires a boater safety course. Persons aged 12-17 operating a motorized watercraft exceeding 10 HP or a PWC; adults 18+ are exempt. The minimum age to operate a vessel is 12.
Required: Yes
Who must complete it: Persons aged 12-17 operating a motorized watercraft exceeding 10 HP or a PWC; adults 18+ are exempt
Accepted courses: Iowa DNR-approved courses (online and in-person)
Course cost: Varies by provider
Minimum age to operate: 12 years old
Registration Number Display Rules
Number format: IA 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 Iowa Compares to Neighboring States
| State | Min. Fee | Validity | Title Req. | Sales Tax |
|---|---|---|---|---|
| Iowa | $17.65 | 3 years (May 1 to April 30 cycle) | Yes | 6% |
| Illinois | $18.00 | 3 years | Yes | 6.25% |
| Minnesota | $42.10 | 3 calendar years | Yes | 6.875% |
| Missouri | $25.00 | 3 years | Yes | 4.225% |
| Nebraska | $32.00 | 3 years | Yes | 5.5% |
| South Dakota | $18.00 | 1 year | Yes | 4.5% |
| Wisconsin | $17.00 | 3 years | Yes | 5% |
Iowa Boat Registration FAQ
How much does it cost to register a boat in Iowa?
Do I need a title for my boat in Iowa?
Is boater education required in Iowa?
How long is boat registration valid in Iowa?
Can non-residents operate boats in Iowa?
Do non-motorized boats need registration in Iowa?
Start Your Registration
Ready to register your boat in Iowa? Visit the official Iowa Department of Natural Resources (DNR) website or use our tools to estimate costs.
Related Resources
- Illinois Boat Registration
- Minnesota Boat Registration
- Missouri Boat Registration
- Nebraska Boat Registration
- South Dakota Boat Registration
- Wisconsin Boat Registration
- Compare Registration Costs Across All States
- How to Register a Boat: Step-by-Step Guide
- Boat Title Transfer Guide
- Registration Fee Calculator
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 Iowa Department of Natural Resources (DNR) at 515-725-8200 for the most current information.