Idaho Boating Information
Registration Questions:1-800-247-6332
Boating Registration Website:
State Tax Department Website:
Registration Grace Period (Days):60 days
Boat Sales & Use Tax Rate:6%
Credit For Tax Paid In Another State:Yes
State Decal Required For Documented Vessel:No
Boat Titles Issued:Yes
Notes:Local sales and use tax also apply.
Boating Law Administrator(208) 514-2412
Maximum Speed Limit:65 MPH
Maximum Dimensions For Trailer:48'L x 8'6"W x 14'H
Maximum Overall Length with Vehicle & Trailer:75'
Minimum Weight Requiring Separate Trailer Brakes:1500 lbs. or more
Trailer Equipment Requirements:
Safety Chains:Yes
Brake Lights:Yes
Clearance Lights:Yes
License Light:Yes
Turn Signals:Yes
Breakaway Breaks:Yes
Wide Trailer or Boat Permit:(208) 334-8420 or
(800) 662-7133 (in ID only)
For specific questions about boating issues or BoatUS Government Affairs, please e-mail the department at