South Dakota trailer — quick answer
In South Dakota, a trailer bill of sale is recommended and notarization of the title transfer is not required. The state form used for titled vehicles is MV-016. Titling and registration are handled by the South Dakota DOR.
Is a trailer bill of sale required in South Dakota?
Recommended. A bill of sale supports the Title and Registration Application.
Seller assigns the title; the buyer titles within 45 days at the county Treasurer.
Does a South Dakota trailer bill of sale need to be notarized?
Not required. No notarization found for a standard transfer.
What to include on a South Dakota trailer bill of sale
- Buyer and seller names and addresses
- Year, make, and trailer type
- VIN or serial number
- Length, number of axles, and empty weight
- Price, date, and signatures
How to transfer a trailer in South Dakota
- 1Complete the bill of sale and title assignment.
Record the buyer, seller, price, and date. Both parties sign and date.
- 2Hand over the signed title.
Seller assigns the title; the buyer titles within 45 days at the county Treasurer.
- 3Register with the South Dakota DOR.
The buyer titles and registers the trailer, bringing Bill of Sale. Confirm current fees on the official page.
Official sources
Requirements change and can vary by county. Confirm with the South Dakota DOR before you sign. Not legal advice.
South Dakota Trailer Bill of Sale — FAQ
Is a trailer bill of sale required in South Dakota?
A bill of sale is recommended in South Dakota. A bill of sale supports the Title and Registration Application.
Does a South Dakota trailer bill of sale need to be notarized?
No. No notarization found for a standard transfer.
Do I need to title a trailer?
It depends on the trailer’s weight and your state. Heavier trailers usually require a title and registration; many small utility trailers only need registration. Check your state page.
What if my trailer has no VIN?
Homemade or older trailers may need a state inspection to be assigned a VIN before they can be titled. The bill of sale still documents the sale in the meantime.
Is a bill of sale proof of ownership?
Generally no. For titled property like a car or boat, the title is what proves ownership. A bill of sale proves that a sale happened and records the price, date, and terms — it supports the title transfer but does not replace it. For untitled property (furniture, equipment, electronics), the signed bill of sale is usually the main proof of ownership.