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Qualified Opportunity Zone Investment: Deferring and Reducing Capital Gains Through QOZ Funds

Written by Yarik Yarosh, CPA (US & Canada) September 5, 2026 · FL CPA license AC61704 · CPA Ontario

The Qualified Opportunity Zone (QOZ) program, created by TCJA in 2017, offers business owners and investors a powerful way to defer and potentially reduce capital gains taxes. When a taxpayer sells an asset at a gain and reinvests that gain into a Qualified Opportunity Zone Fund (QOZF) within 180 days, the original gain is deferred until December 31, 2026 (or when the investment is sold, whichever is earlier). If the QOZF investment is held for at least 10 years, all appreciation on the QOZF investment is permanently excluded from income.

Key takeaway

Qualified Opportunity Zone investment rules:

  1. Only capital gains qualify. The gain invested in the QOZF must be a capital gain (short-term or long-term). Ordinary income and SE income don’t qualify.

  2. 180-day investment window. The gain must be invested in a QOZF within 180 days of the sale that generated the gain. For partnership and S-Corp gains, the 180-day clock starts either from the entity’s sale date or from the last day of the entity’s tax year (the partner/shareholder can choose).

  3. Deferral of original gain. The original gain is deferred until the earlier of: (a) December 31, 2026, or (b) the date the QOZF investment is sold. The deferred gain is recognized at that point, regardless of whether the QOZF investment has been sold.

  4. 10-year hold for tax-free appreciation. If the QOZF investment is held for at least 10 years, all appreciation on the QOZF investment (above the deferred gain amount) is permanently excluded from income. There’s no limit on the exclusion amount.

  5. Basis adjustments (original, no longer available): The original QOZ provisions provided a 10% basis step-up at 5 years and an additional 5% at 7 years. These step-ups expired December 31, 2026 for most investors, making the 10-year exclusion the primary remaining benefit.

  6. What is a QOZF? A corporation or partnership that holds at least 90% of its assets in Qualified Opportunity Zone property. QOZ property includes real estate, business assets, and businesses located in designated census tracts.

How does the 10-year exclusion work?

Related guides:

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Cite this page

Yarik Yarosh, CPA. "Qualified Opportunity Zone Investment: Deferring and Reducing Capital Gains Through QOZ Funds." Blue Cloud CPA, September 5, 2026. https://bluecloudcpa.com/guides/small-business-qualified-opportunity-zone-investment

This guide is general information, not tax advice for your specific situation. Which points apply, and how, depends on your facts.