Home sales profits may be subject to capital gains, taxed at 0%, 15% or 20% in 2021, depending on income.

If you recently made a profit selling your home, it may come with a costly surprise this filing season: capital gains taxes on your windfall.

In 2021, the average U.S. home seller scored a profit of $94,092, up 71% from $55,000 two years ago, according to ATTOM, a nationwide property database.

While many sellers’ profits fall under the capital gains thresholds for primary homes, others may get hit with an unexpected bill, particularly long-time property owners, experts say.

Home sales profits are considered capital gains, levied at federal rates of 0%, 15% or 20% in 2021, depending on taxable income.