Free Idaho Trailer Bill of Sale
Idaho trailers use ITD 3738 at the county assessor. Flat 6% tax, 30-day deadline.
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Trailer titling rules trip up many sellers — GVWR thresholds, separate boat trailer titles, and state notarization requirements all vary. Our step-by-step writing guide ensures you capture every field DMVs actually need. Read: How to Write a Bill of Sale (Step-by-Step) →
Idaho Trailer Bill of Sale — What You Need to Know
Primary Form
ITD 3738
Bill of Sale
Primary ID Field
VIN
Sales Tax
6%
Title Required
Yes
ID titles trailers. Same county assessor process, 30-day deadline.
Inspection
Not required
Sales Tax Details
Same flat 6% sales tax on trailers.
Idaho Trailer Sale — Step-by-Step Checklist
- Complete ITD 3738 with VIN/serial, type, GVWR, length, sale price.
- Seller signs title.
- Buyer takes to county assessor within 30 days.
- Buyer pays 6% sales tax + fees.
Common Pitfalls
- County assessor — not central ITD or a DMV.
- Missing 30-day deadline.
Pro Tip
ID trailer: ITD 3738 + county assessor + 30-day + 6% flat.
Idaho Trailer Bill of Sale — FAQs
How is a trailer titled in Idaho?
Idaho trailer titles use ITD Form 3738 at the county assessor's office, with a 30-day deadline and flat 6% sales tax.
Other Idaho Templates
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