Can I invest capital gains from selling my business in a QOZ?

Yes — gains from selling a business, investment property, stocks, or any appreciated capital asset qualify. The gain must be recognized as a capital gain (long-term or short-term). The reinvestment must happen within 180 days of the recognition event. For a business sale that closes in June, you have until December to reinvest in a QOF.

Do I have to invest all of my gain in a QOZ?

No — you can invest any portion of the gain. If you have $500,000 in capital gain and only invest $200,000 in a QOF, you defer only the $200,000. The remaining $300,000 is taxable in the year of sale. Partial investment is common when investors want to cover immediate cash needs from the sale proceeds.

What is a Qualified Opportunity Fund?

A QOF is an investment vehicle (typically a partnership or corporation) that holds at least 90% of its assets in qualified opportunity zone property. QOFs are often real estate development projects in designated QOZ census tracts — areas the Treasury has certified as economically distressed. You invest in the fund; the fund deploys the capital into QOZ projects.

The deferral ends in 2026 — does that mean I'll owe tax then?

Yes — the deferred gain is recognized on December 31, 2026, even if you haven't sold your QOF investment. This was originally 2026 regardless of when you invested; if the provision is extended by Congress, this may change. The tax owed will be the lesser of your original gain or the fair market value of the QOF investment at that date. This means if the QOF investment has declined, you pay tax on the lower value.

What happens if I sell my QOZ investment before 10 years?

If you sell before 10 years, you recognize the appreciation on the QOZ investment as capital gain — you lose the exclusion benefit. The original deferred gain is also recognized (if you sell after the 2026 recognition date, it was already recognized; if before, it becomes due at sale). The investment essentially becomes a taxable capital gain investment if held less than 10 years.

Tax planning

Qualified Opportunity Zones: Defer and Potentially Exclude Capital Gains

A Qualified Opportunity Zone investment lets you defer capital gains from a recent sale by reinvesting within 180 days. Gains held in a QOZ fund for 10+ years are completely excluded from federal tax. Here's how the three-tier benefit works and when it makes sense.

Written by Matt Reese, CPA · 7 min read · Published April 2026·Share on LinkedIn

Key Takeaways

QOZ investments provide three tax benefits: (1) defer the original capital gain until 2026 or until the QOZ investment is sold, (2) partial basis step-up if held 5 years (now moot for most new investments), and (3) full exclusion of QOZ appreciation if held 10+ years.
Only the original capital gain qualifies for deferral. The QOZ appreciation (the new investment's growth) is what gets excluded after 10 years — this is the most powerful benefit.
The 180-day window to reinvest is from the date of sale. Unlike a 1031 exchange, you can invest in any qualified opportunity fund (QOF) — you're not searching for replacement property in a time-pressured market.
QOZ investments are illiquid by design. The 10-year benefit requires holding the investment at least 10 years. Investors who need liquidity should not use QOZ funds for the bulk of their capital.

The three-tier QOZ benefit

The Qualified Opportunity Zone program under Section 1400Z-2 provides three stacked tax benefits to investors who reinvest capital gains into a QOF:

Tier 1 — Deferral: The original capital gain is deferred until December 31, 2026 (or until the QOF investment is sold, whichever comes first). Instead of paying tax on the gain in the year of sale, you defer it for up to several years.
Tier 2 — Basis step-up (mostly moot): If held 5 years, 10% of the original gain was permanently excluded. If held 7 years, 15% excluded. These step-up provisions required investment before 2020 to achieve — most new investors can no longer use them before the 2026 recognition date.
Tier 3 — Full exclusion: If you hold the QOF investment for 10 or more years, all appreciation in the QOF investment is excluded from federal capital gains tax. This is the primary benefit for long-term investors.

The QOZ program’s main appeal for 2024+ investors: defer your gain until 2026, then hold for 10 years to exclude all new appreciation from federal tax. The investment’s growth — not the original gain — gets excluded.

How the math works for a long-term QOZ investor

$500,000 capital gain reinvested in QOF, held 10 years

Original capital gain from business sale (2025)$500,000

Reinvested in QOF within 180 days — tax deferred$500,000

Tax on $500,000 paid without QOZ: 23.8% federal (2025)$119,000 paid to IRS now

With QOZ: deferred until Dec 31, 2026 — cash stays investedTax paid Dec 31, 2026

QOF investment value after 10 years (assumed 7% annual return)≈ $985,000

QOF appreciation (gain on new investment): $985,000 − $500,000$485,000 appreciation

Federal tax on QOF appreciation without QOZ (23.8%)≈ $115,000

Federal tax on QOF appreciation WITH QOZ (10-year exclusion)$0

Total benefit: deferred original tax × time value + exclusion of $485,000 appreciationSignificant

The QOZ benefit is primarily the exclusion of the new investment's appreciation after 10 years — in this example, $115,000 in avoided tax on the fund's growth. Additionally, the original $119,000 tax was deferred 2+ years, earning investment returns in the meantime. For large gains with strong QOF returns, the combined benefit is substantial.

The 180-day reinvestment window

Unlike a 1031 exchange where you’re searching for specific replacement real property in 45 days, a QOZ investment just requires deploying the gain into any qualified opportunity fund within 180 days of recognizing the gain.

The 180 days typically starts from the date of sale
For pass-through gains (K-1 from S-corp or partnership), the 180 days can start from the last day of the entity’s tax year or the return due date — giving more flexibility
You can invest in any QOF — a real estate development fund, a business fund, or an operating business in a QOZ tract

QOZ vs 1031 exchange: which is better for real property sales?

Comparison	1031 Exchange	QOZ Investment
What qualifies	Real property only (post-TCJA)	Any capital gain (stocks, businesses, real estate)
Investment target	Must be like-kind real property	Any QOF — real estate or operating business
Time pressure	45-day ID, 180-day close — high pressure	180 days to invest — more flexible
Gain deferral	Indefinite (until sale without exchange)	Until Dec 31, 2026
Capital gain elimination	Potentially, if held until death (step-up)	Yes — 10-year hold eliminates appreciation tax
Original gain treatment	Deferred until eventual sale; basis rollover	Recognized in 2026 regardless
Liquidity	Property held, can be leveraged	Illiquid fund investment, 10-year horizon
Best for	Real property replacement with similar character	Business/stock sales; long-term investors comfortable with illiquid fund

QOZ funds vary enormously in quality

The QOZ program attracted hundreds of funds — many of which are real estate development projects in economically distressed areas. Not all QOFs produce returns that justify the illiquidity and the tax-deferred liability. A QOF that underperforms or fails doesn’t eliminate the original deferred gain — you still owe tax on it at 2026 or exit, and the fund loss is a separate capital loss. Evaluate QOF investments as investments first, with the tax benefit as a secondary consideration.

The 2026 recognition date may be extended by Congress

The December 31, 2026 recognition date was set by the original TCJA legislation. There has been ongoing discussion in Congress about extending the program. This article reflects current law — verify with your CPA whether legislative changes have occurred before making decisions based on the 2026 date.

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Frequently asked

Questions owners actually ask

Can I invest capital gains from selling my business in a QOZ?: Yes — gains from selling a business, investment property, stocks, or any appreciated capital asset qualify. The gain must be recognized as a capital gain (long-term or short-term). The reinvestment must happen within 180 days of the recognition event. For a business sale that closes in June, you have until December to reinvest in a QOF.
Do I have to invest all of my gain in a QOZ?: No — you can invest any portion of the gain. If you have $500,000 in capital gain and only invest $200,000 in a QOF, you defer only the $200,000. The remaining $300,000 is taxable in the year of sale. Partial investment is common when investors want to cover immediate cash needs from the sale proceeds.
What is a Qualified Opportunity Fund?: A QOF is an investment vehicle (typically a partnership or corporation) that holds at least 90% of its assets in qualified opportunity zone property. QOFs are often real estate development projects in designated QOZ census tracts — areas the Treasury has certified as economically distressed. You invest in the fund; the fund deploys the capital into QOZ projects.
The deferral ends in 2026 — does that mean I'll owe tax then?: Yes — the deferred gain is recognized on December 31, 2026, even if you haven't sold your QOF investment. This was originally 2026 regardless of when you invested; if the provision is extended by Congress, this may change. The tax owed will be the lesser of your original gain or the fair market value of the QOF investment at that date. This means if the QOF investment has declined, you pay tax on the lower value.
What happens if I sell my QOZ investment before 10 years?: If you sell before 10 years, you recognize the appreciation on the QOZ investment as capital gain — you lose the exclusion benefit. The original deferred gain is also recognized (if you sell after the 2026 recognition date, it was already recognized; if before, it becomes due at sale). The investment essentially becomes a taxable capital gain investment if held less than 10 years.

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Educational content only.This article is for informational purposes and does not constitute tax, legal, or investment advice. Every owner’s facts are different; consult a qualified CPA and advisor before acting. Tax and accounting services are provided through Matt Reese, CPA; investment advisory services are provided through Measured Risk Portfolios, a registered investment adviser. Matt Reese, CPA and Measured Risk Portfolios are separate entities; clients are not required to engage both.