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South Dakota vehicle registration fees are processed through your county treasurer’s office. South Dakota is a two-plate state. This page covers registration costs, taxes, replacement fees, emissions requirements, insurance minimums, and late fee rules.

Registration Fees

South Dakota registration fees are based on the fee structure described below. Contact your county treasurer’s office for the most current fee schedule applicable to your specific vehicle.

How much does South Dakota charge for vehicle registration based on weight and age?

The registration fee structure for South Dakota is detailed in the table below. Contact your county treasurer’s office for your specific vehicle’s total.

ItemDetail
Registration feeContact your county treasurer’s office for current amounts
EV surchargeContact your county treasurer’s office for current EV fee

Contact your county treasurer’s office for the current plate replacement fee. South Dakota is a two-plate state – replacement typically involves both front and rear plates.

Plate Replacement

Contact your county treasurer’s office for the current plate replacement fee. South Dakota is a two-plate state, which affects the replacement cost.

How much does South Dakota charge to replace a lost or damaged license plate?

South Dakota charges 4.5% sales tax (no trade-in deduction) on vehicle purchases at the time of title transfer. This is the primary tax component of a vehicle transaction.

ItemDetail
Standard plate replacementContact your county treasurer’s office for the current fee
Personalized plate replacementContact your county treasurer’s office for current fee

Vehicle Taxes

South Dakota charges 4.5% sales tax on the full purchase price (no trade-in deduction) on vehicle purchases. This is typically the dominant one-time cost when acquiring a new or used vehicle.

Does South Dakota allow a trade-in deduction from the 4.5% sales tax on vehicle purchases?

South Dakota does not require a statewide vehicle emissions test for registration renewal. No smog check or emissions certificate is required.

ItemDetail
Sales or excise tax on vehicle purchase4.5% sales tax on the full purchase price (no trade-in deduction)
Local taxesVary by jurisdiction – contact your local tax authority

South Dakota requires minimum liability insurance for all registered vehicles. Proof of insurance must be provided at registration.

Emissions Testing

Check your South Dakota renewal notice to determine whether emissions testing is required for your specific vehicle and registration area.

Does South Dakota require a vehicle emissions test for registration renewal?

South Dakota charges late fees for registration not completed on time: No grace period – contact your county treasurer for the current late penalty schedule.

Insurance Requirements

South Dakota requires all registered vehicles to carry minimum liability insurance as a condition of registration.

What are South Dakota’s minimum auto insurance requirements?

South Dakota provides no grace period. Registrations expire on the last day of the expiration month. Renewals can be completed up to 90 days early or up to 9 months late with a penalty. After 9 months, the registration period resets from the renewal date.

ItemDetail
Bodily injury – per personSee your state minimums
Bodily injury – per accidentSee your state minimums
Property damage – per accidentSee your state minimums

Late Fees and Penalties

South Dakota charges penalties for vehicle registration not completed within the required timeframe. The rules vary by whether it is a new purchase or a renewal.

What happens if my South Dakota registration expires – is there a grace period?

Contact your county treasurer’s office for current registration fee refund eligibility.

ItemDetail
Late registration penaltyContact your county treasurer’s office for the current penalty schedule

Grace Period

South Dakota’s grace period rules determine how much time you have after expiration or purchase before penalties begin to apply.

How does South Dakota’s name-based staggered expiration affect the registration grace period?

See the registration fee table above. Contact your county treasurer’s office for your specific vehicle’s total.

Refunds

South Dakota may allow registration fee refunds in certain situations. Contact your county treasurer’s office for current eligibility requirements.

Can I get a refund on my South Dakota registration fee if I sell my vehicle?

Contact your county treasurer for the current fee

Frequently Asked Questions

How are South Dakota vehicle registration fees calculated based on weight and age?
South Dakota charges 4.5% sales tax (no trade-in deduction) on vehicle purchases. Contact your county treasurer's office for details on any annual vehicle property tax that may apply.
How much does it cost to replace a license plate at a South Dakota county treasurer's office?
No grace period - contact your county treasurer for the current late penalty schedule
Does South Dakota charge 4.5% on the full purchase price with no trade-in credit?
Minimum: Bodily injury - per person: $25,000; Bodily injury - per accident: $50,000; Property damage - per accident: $25,000.
What is the penalty for late registration in South Dakota when there is no grace period?
Contact your county treasurer's office for the current late fee schedule.
What are South Dakota's minimum liability insurance requirements?
Contact your county treasurer's office for current minimum insurance requirements.