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Free Idaho Car Bill of Sale

Idaho car sales use ITD Form 3738. Sales tax is a flat 6% — no local add-on for vehicles. Title transfers happen at the county assessor's office (not a central ITD location) within 30 days.

Idaho Requirements: Transfer title within 30 days. 6% sales tax.

Seller Information

Buyer Information

Car Details

Sale Information

Condition & Warranty

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First time selling a car privately? Our complete guide covers how to verify the buyer, which payment methods are safe, what paperwork the DMV actually needs, and the odometer disclosure mistake that can make a transaction legally void. Read: Car Bill of Sale: Complete Guide

Idaho Car Bill of Sale — What You Need to Know

Primary Form
Bill of Sale
Agency
Idaho Transportation Department
Primary ID Field
VIN
Sales Tax
6%
Title Required
Yes
Idaho title must be transferred within 30 days. Idaho Transportation Department (not called a DMV) handles titles at county assessor offices.
Inspection
Not required

Sales Tax Details

Idaho state sales tax is 6%. No local sales tax on vehicles in Idaho. Paid at county assessor at title transfer.

Inspection Requirements

Idaho does not require a state safety or emissions inspection at time of sale.

Idaho Car Sale — Step-by-Step Checklist

  1. Complete ITD 3738 with VIN, year, make, model, odometer, sale price.
  2. Seller signs the title over to buyer.
  3. Buyer takes ITD 3738 + signed title to county assessor within 30 days.
  4. Buyer pays 6% sales tax + title fee ($14) + registration fees.

Common Pitfalls

  • Going to ITD central office — county assessors handle title transfers in Idaho.
  • Missing the 30-day deadline.
  • Idaho's 6% is flat statewide — no local rate confusion.
  • Odometer disclosure required on all vehicles under 10 model years old.

Pro Tip

ID car: ITD 3738 + county assessor + 30-day transfer + 6% flat sales tax.

Idaho Car Bill of Sale — FAQs

Where do I transfer a car title in Idaho?
Idaho title transfers are processed at the county assessor's office — not at a central ITD location. Bring the signed title, ITD Form 3738, proof of insurance, and payment.
What is Idaho's car sales tax rate?
Idaho has a flat 6% state sales tax on vehicle purchases with no local add-ons. The 6% is the same across all Idaho counties.