Qualified Opportunity Zone (QOZ) Tax Guide 2026

Capital gain deferral, basis step-up, and permanent exclusion of QOF appreciation. 180-day reinvestment window. December 31, 2026 deferral deadline. Form 8997 annual reporting.
IRC 1400Z-2Form 8997180-day reinvestment windowDec 31 2026 deferral deadline
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December 31, 2026: Final Deferral Deadline
The deferred gain is recognized on the earlier of (1) the date the QOF investment is sold/exchanged, or (2) December 31, 2026. Any gain that was deferred by investing in a QOF must be recognized no later than December 31, 2026 regardless of whether the investor sold. The appreciation exclusion (for QOF investments held 10+ years) is NOT affected by this deadline and remains available indefinitely. IRC 1400Z-2(b)(1).
1
Deferral
Defer the original capital gain by investing in a QOF within 180 days. Tax not due until Dec 31, 2026 or earlier sale. IRC 1400Z-2(a).
2
Basis Step-Up
10% basis step-up after 5 years of holding. Reduces the taxable deferred gain at recognition. Only for investments made before Dec 31, 2021 (5-year hold now complete). IRC 1400Z-2(b)(2)(B).
3
Exclusion
Appreciation on the QOF investment itself is permanently excluded from income if held 10+ years. This is the primary ongoing benefit. IRC 1400Z-2(c).
1

QOZ Tax Benefit Calculator

The gain you are deferring. Only capital gains qualify (not ordinary income). The full gain must be invested to defer the full amount. IRC 1400Z-2(a)(1).
The 10% basis step-up required a 5-year hold. Investments made after Dec 31, 2021 cannot reach the 5-year mark by Dec 31, 2026 and do not qualify for the step-up.
Projected fair market value of QOF interest at exit after 10+ years. This appreciation is excluded from tax if held 10+ years.
Enter your information above.
2

QOZ Timeline & Key Rules

Day 0 - Sale of appreciated asset
Capital gain recognized
Original asset sold. You have 180 days from the sale date to invest in a QOF. IRC 1400Z-2(a)(1)(A). Some K-1 gains have extended 180-day periods.
Within 180 days
Invest in Qualified Opportunity Fund
Only the gain amount needs to be invested (not the full proceeds). QOF must be certified and hold at least 90% of assets in qualified opportunity zone property. IRC 1400Z-2(d).
Year 5 of holding (pre-2022 investments only)
10% basis step-up
Basis in deferred gain increased by 10%. Reduces the taxable deferred gain at recognition. For pre-2022 investments only - the 5-year window expires Dec 31, 2026. IRC 1400Z-2(b)(2)(B)(iii).
December 31, 2026
DEADLINE: Deferred gain recognized
All remaining deferred gain (original gain minus any basis step-up) is recognized and taxable at 2026 rates, even if you have not sold the QOF. Prepare for this tax bill now if you invested in 2018-2026. IRC 1400Z-2(b)(1)(B).
Year 10+ of holding
Appreciation exclusion
All appreciation in the QOF investment above the original invested amount is permanently excluded from income. Basis in the QOF steps up to FMV at the time of sale. This benefit remains available indefinitely - the Dec 31, 2026 deadline does NOT affect this. IRC 1400Z-2(c).
IRC 1400Z-1 (designation of qualified opportunity zones); IRC 1400Z-2 (special rules for capital gains invested in qualified opportunity zones); IRC 1400Z-2(a) (deferral election - invest within 180 days); IRC 1400Z-2(b) (deferred gain recognition - Dec 31, 2026 deadline); IRC 1400Z-2(b)(2)(B)(iii) (10% basis step-up at 5-year mark); IRC 1400Z-2(c) (exclusion of gain on QOF investment held 10+ years); Treas. Reg. 1.1400Z2(a)-1 through 1.1400Z2(f)-1 (comprehensive QOZ regulations); Form 8997 (annual QOZ reporting - required every year QOF investment is held).
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