StatesIdaho › Post Falls
Post Falls, ID · Local numbers

Buying a car in Post Falls.

Vehicle tax in Post Falls runs about 6% all in, the rate for Kootenai County. Idaho credits your trade-in, so you are taxed on the price after it comes off.

6%
Combined tax on a vehicle here
~$110.75
Title and registration on a $35,000 car
Full credit
Trade-in reduces the taxable price
~$399
Doc fee, typical

On a $35,000 car.

LineEstimate
Idaho Sales and use tax (6%, paid at registration)$2,100.00
Doc Fee (typical for the state)$399.00
Title fee$14.00
Registration (estimate)$85.00
License plate fee$7.50
EMS and state police fees (annual)$4.25

Estimates on a $35,000 new car registered in Post Falls, with no trade-in. Your exact figures depend on the car, the dealer, and the day.

Shipped by the dealer, so no Arizona tax applies (A.R.S. 42-5061). Idaho tax and fees are due when you register the car; the figures here are estimates from the state's published rates and are confirmed at registration.
Partner dealers ship nationwide. Ask the Concierge for a shipping quote to Post Falls, ID. A mobile notary comes to you to sign; the car ships once the paperwork is verified.
What is my car worth? Idaho taxes and fees How it works

Questions.

How much is sales tax on a car in Post Falls?

About 6% all in for Kootenai County. Idaho uses one statewide rate on vehicles, so it does not change by city.

Does my trade-in lower the tax in Post Falls?

Value of a vehicle taken in trade by the seller is excluded from the sales price (Idaho Code 63-3613).

Can I buy from The Broker Black if I live in Post Falls?

Yes. Partner dealers ship, and a car shipped out of the selling state carries no tax there; you pay Idaho tax when you register it. Any shipping charge is shown on your deal before you sign.

What is the doc fee in Post Falls?

Idaho sets no cap; dealers typically charge around $399. No statutory cap. Typical from CarEdge 2026 (secondary).

Where these numbers come from.

Rates, fees, and rules change. These figures are estimates for planning, not tax advice; confirm the final numbers with the dealer and your state's motor vehicle agency before you buy.