How do I register a boat in California?
Ava's answer: Sailboats over eight feet and any motorized boat must be registered with the California DMV to legally operate on state waterways. Owners need proof of ownership (title or out-of-state title/bill of sale) and must pay registration fees and use tax.
- Determine if registration required: Motorized vessels of any size and sailboats over 8 feet require registration.
- Gather proof of ownership: Original CA title, out-of-state title, or bill of sale/Statement of Facts if missing.
- Complete application: Submit BOAT 101 application for undocumented vessels.
- Pay fees, use tax, and Mussel Fee (if freshwater): Pay registration fee, applicable use tax, and Quagga/Zebra Mussel fee for freshwater use.
- Submit to DMV: Mail to DMV Vessels Unit or submit at a DMV office.
- Display CF numbers and stickers: Affix issued registration numbers and validation stickers to the vessel.
Source: Boat/Vessel Registration — California Department of Motor Vehicles (DMV), reviewed 2026-09-29
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DMV.ai is independent and not a government agency. It does not file applications or collect government fees. Confirm current requirements with the official agency.