Salt Lake County, UT Car Tax & Registration (2026)
In Salt Lake County (Salt Lake City), a car purchase is taxed at 8.45% combined — Utah's 4.85% state tax plus local tax. Registration includes Utah's age-based uniform fee ($10–$150 by vehicle age, statewide). Salt Lake County is one of the five Wasatch Front counties that require an emissions test before you renew.
Verified July 2026 from official sources. How we verify fees.
What you'll pay in Salt Lake County
- Combined sales tax: 8.45% (state 4.85% + local)
- Uniform fee: $150 → $10 by vehicle age (statewide, in lieu of property tax)
- Emissions test: required (Wasatch Front)
- Registration: ~$44 · Title: $6 (statewide)
How the tax works
Utah charges vehicle sales tax at your registration address, so the exact rate varies by city within Salt Lake County — the 8.45% shown is typical around Salt Lake City. The annual uniform fee replaces a property tax and is the same statewide, based only on your vehicle's age. Estimate the purchase cost on our Utah title & tax page.
Frequently asked questions
What is the car sales tax in Salt Lake County, UT?
8.45% combined around Salt Lake City — Utah's 4.85% state tax plus local tax, charged at your registration address.
Does Salt Lake County require an emissions test?
Salt Lake County is one of the five Wasatch Front counties that require an emissions test before you renew. In Utah, only Salt Lake, Utah, Davis, Weber, and Cache counties test.
How much is registration in Salt Lake County?
About $44 base plus Utah's age-based uniform fee — $150 for the newest vehicles down to $10 for those 12+ years old, the same in every county. Title is $6.