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Capital Gains Tax in Utah

A flat 4.65% applies whether the gain is large or small.

Utah runs a flat income tax, and capital gains get swept into it at the same 4.65% rate as everything else. Combined with the federal 20% and the 3.8% NIIT, an investment property seller faces a ceiling of 28.5%.

How much is capital gains tax in Utah?

There's no bracket to climb in Utah; the flat 4.65% state rate applies to a capital gain the same way it applies to a paycheck. Add the federal and NIIT shares and the ceiling comes to 28.5% combined. Run specific numbers, with depreciation recapture included, through the capital gains tax calculator.

Using a 1031 exchange to defer it

Because Utah's rate is flat, a 1031 exchange here defers a fixed, predictable share of the gain: 4.65% state, plus the federal and NIIT portions, for a combined 28.5%. No separate state exchange rules to track, just the standard 45-day and 180-day federal windows. Model the swap in the 1031 exchange calculator and watch both deadlines through the timeline calculator.

Educational only. Confirm Utah's current flat rate with a tax professional; rates and thresholds do get revisited.

Related reading

The mechanics behind the Utah figures above are covered in more depth in what is a 1031 exchange and how to defer capital gains with a 1031.