Wyoming car tax
Wyoming's yearly county registration fee works as a value-based car tax: 3% of a percentage of the factory price that drops from 60% to 15% over six years. You pay it to the county treasurer with the $30 state fee. There is no separate personal property tax on cars.
W.S. 31-3-101(a)(i). The county fee is 3% of 60%, 50%, 40%, 30%, 20%, and from year 6 on 15% of factory price plus special equipment. The minimum is $5. 'Year of service' is treated as model-year age. The $30 state registration fee is extra. 2026 HB0030, which would have cut fees after year 6, failed.
Wyoming car tax calculator
- $35,000 MSRP × 12 mills (vehicle age 2 yr) = $420
Based on the manufacturer's original list price (MSRP), not what you paid. Your bill may be prorated for months you owned the car.
How the tax drops as a $35,000 car ages in Wyoming
Same car, each year of ownership. The rate falls as the car gets older.
Buying a car in Wyoming: one-time tax
Wyoming sales/use tax — 4%, plus local sales tax where you live. Your trade-in is subtracted before tax.
County local option taxes are added, based on where you register.
Registration and due dates
The state registration fee is $30 plus the county fee above. A title costs about $15.
Paid every year at the county treasurer, by the last day of the registration month.
Cut what your car costs in Wyoming
Car tax is set by your town, but your loan and insurance aren't. Refinancing a car loan at a lower rate often saves more each year than the tax itself.
Questions
How is Wyoming car registration calculated?
County fee = 3% × factory price × the year's percentage (60%, 50%, 40%, 30%, 20%, then 15%), plus the $30 state fee.
Does Wyoming have a car property tax?
No. The value-based county registration fee takes its place.
Can I deduct Wyoming car taxes on my federal return?
Yes, the value-based part is deductible. Wyoming's yearly car tax is based on the car's value, so it can be claimed as personal property tax if you itemize on your federal return (subject to the SALT cap). Flat registration fees are not deductible.
Sources
- Wyoming Legislature – W.S. 31-3-101 (HB0030 2026 text)
- Wyoming LSO – 31-3-101
- WYDOT – Vehicle registration
Last checked October 14, 2026. Rates are for passenger cars owned by individuals; leased, business and specialty vehicles can differ. Confirm with your tax collector or commissioner of the revenue.