You might owe some tax on the gain. It depends on the exact amount of the gain and the exact amount of your other income and deductions. For 2025, married filing jointly, the 15% tax rate for long-term capital gain starts at a total taxable income of $96,700. Total taxable income includes the capital gain.
Note that this applies to taxable income, not total income or adjusted gross income (AGI). Taxable income is basically total income minus adjustments and either itemized deductions or the standard deduction.
