Wyandotte County, KS Vehicle Property Tax & Registration (2026)
In Wyandotte County (Kansas City), the annual motor-vehicle property tax runs about $584 on a car with roughly $14,000 in appraised value — the county's 139.1-mill levy applied to 30% of that value. A one-time 9.125% sales tax applies at purchase, and the base registration fee ($30/$40 by weight) is flat statewide. Highest vehicle mill levy of the major counties — the steepest annual property tax per dollar of car value.
Verified July 2026 from official sources. How we verify fees.
What you'll pay in Wyandotte County
- Adjusted mill levy: 139.147
- Est. annual property tax (on a ~$14k car): $584
- Sales tax at purchase (in Kansas City): 9.125%
- Base registration fee: $30 (≤4,500 lbs) / $40 (heavier), statewide
- Title fee: $10 + small statewide surcharges
How the property tax works
Kansas taxes your vehicle every year: appraised value × 30% × Wyandotte County's adjusted mill levy (139.1) ÷ 1,000. The "adjusted" levy leaves out the 20-mill statewide school levy, so it's slightly below the county's full levy. A newer, higher-value car owes more; the estimate above assumes about $14,000 in appraised value. For your exact figure, use the KDOR Vehicle Property Tax Check. Estimate the purchase cost on our Kansas title & tax page.
Frequently asked questions
How much is the annual car tax in Wyandotte County, KS?
About $584 a year on a car with ~$14,000 appraised value, using Wyandotte County's 139.1-mill levy. A newer or pricier car owes more — the tax is value × 30% × levy ÷ 1,000.
What is the sales tax on a car in Wyandotte County?
9.125% in Kansas City (Kansas's 6.5% state rate plus local), charged once at purchase. It's separate from the annual property tax.
How much is vehicle registration in Wyandotte County?
The base fee is the flat statewide amount — $30 for a car 4,500 lbs or less, $40 if heavier, plus a $10 title fee and small statewide surcharges. It doesn't vary by county.