Qualified Opportunity Zone Tax Incentives: What CPAs Need to Know in 2026

Qualified Opportunity Zones still offer a meaningful tax benefit in 2026 — but it is not the gain deferral that originally drove investor interest. The deferral window closed on December 31, 2026: deferred gains recognized into that year's return are now owed. The benefit that remains, and that CPAs should be actively advising clients about, is the permanent exclusion of appreciation for investors who hold their Qualified Opportunity Fund (QOF) interest for 10 or more years. For a client who invested $500,000 in a QOF in 2018 and that investment has grown to $900,000, the $400,000 of appreciation can be excluded from federal income tax entirely when sold after the 10-year mark — with no depreciation recapture, no net investment income tax, and no state tax in conforming states. This guide explains the program structure, current status, and who still benefits from a QOF investment in 2026.

What Are Qualified Opportunity Zones?

Qualified Opportunity Zones (QOZs) are low-income census tracts designated by U.S. governors and certified by the Treasury Department under IRC §1400Z-1. There are approximately 8,764 designated QOZ tracts in all 50 states, the District of Columbia, and U.S. territories. The designations were made in 2018 and run indefinitely — the zone boundaries do not expire.

Investing in a QOZ does not mean investing directly in the census tract. The mechanism is indirect: a taxpayer invests in a Qualified Opportunity Fund, which in turn holds at least 90% of its assets in QOZ property. A QOF is an entity (partnership or corporation) that self-certifies by filing Form 8996 with its tax return. There are no IRS pre-approvals, no registration requirements, and no caps on fund size or number of investors.

QOZ property takes one of three forms:

• QOZ business property: Tangible property used in a trade or business within a QOZ, acquired after December 31, 2017, originally used in the QOZ or substantially improved by the QOF
• QOZ stock: Stock in a domestic corporation that operates a QOZ business, acquired from the corporation after December 31, 2017, for cash
• QOZ partnership interests: Partnership interests in a domestic partnership operating a QOZ business, acquired for cash after December 31, 2017

The "substantially improved" requirement demands that the QOF invest at least as much in improvements as it paid for the property (excluding land value), completed within a 30-month window — a meaningful constraint that eliminates simple buy-and-hold of existing buildings.

The Three-Tier Incentive Structure — What Still Applies in 2026

The TCJA created a three-tier incentive structure under IRC §1400Z-2. Understanding which tiers are still operative is now the central advisory question.

Tier 1: Capital Gain Deferral (Expired for New Positions)

A taxpayer who realized a capital gain and invested the gain amount in a QOF within 180 days could defer recognizing that gain until the earlier of: (a) the date the QOF investment was sold or exchanged, or (b) December 31, 2026.

As of 2026, this benefit has effectively closed for practical purposes. Investors who deferred gains into QOFs recognized those gains on their 2026 returns — the deferred gain was included in 2026 taxable income regardless of whether they sold their QOF interests. New investments made today still enter the 180-day window, but the deferred gain from a 2026 investment would also be recognized by December 31, 2026 (the deadline is already here), making deferral on new investments a non-event unless Congress extends the program.

Tier 2: Basis Step-Up for 5- and 7-Year Holdings (No Longer Available)

Under the original TCJA design, a taxpayer who held their QOF interest for 5 years received a 10% step-up in basis on the deferred gain, and after 7 years, an additional 5% step-up (for a total 15% reduction in the deferred gain recognized). These incentives required investments made by December 31, 2021 (for the 5-year benefit) and December 31, 2019 (for the 7-year benefit). Those deadlines have passed; no new investments can generate Tier 2 step-ups.

Tier 3: Permanent Exclusion of Appreciation (Still Available and Highly Valuable)

This is the benefit that still matters. Under IRC §1400Z-2(c), if a taxpayer holds their QOF interest for at least 10 years and makes an election, the taxpayer's basis in the QOF interest is stepped up to its fair market value on the date of sale. The result: zero federal income tax on any appreciation earned inside the QOF, regardless of how large the gain.

This exclusion applies to appreciation only — it does not revive the expired deferral on the original invested gain, which is now taxable. But for investors who have held QOFs since 2018–2021, the 10-year mark falls between 2028 and 2031. Those clients should not exit their QOF investments before the 10-year anniversary.

For new investments made today (March 2026), the 10-year exclusion applies to any appreciation earned from 2026 forward — the original deferred gain is recognized immediately, but gains earned inside the fund over the next decade are excluded. Whether that trade-off is attractive depends on the fund's projected returns.

Eligibility: What Gains Qualify for OZ Investment?

The original invested gain must be a recognized capital gain — short-term or long-term — from a sale or exchange with an unrelated party. Eligible gain sources include:

• Sale of appreciated stock, partnership interests, or real estate
• Section 1231 gains (net long-term gains from depreciable business property under IRC §1231)
• Installment sale gains, to the extent recognized in each year
• Gains from commodities, futures contracts, and options
• Gains passed through from partnerships, S corporations, and trusts (the investor typically gets a 180-day window from the end of the entity's tax year)

Gains that do not qualify: ordinary income, depreciation recapture treated as ordinary income under §1245, and gains from sales to related parties.

QOF Compliance: What CPAs Must Monitor

For clients who hold existing QOF investments, ongoing compliance is required:

Annual 90% asset test: The QOF must hold at least 90% of its assets in QOZ property, measured on the last day of the first 6-month period and the last day of the tax year. Failure triggers a monthly penalty per IRC §1400Z-2(f): 5% of the shortfall times the underpayment rate, assessed each month the shortfall persists. CPAs advising QOF operators need to track both testing dates.

Substantial improvement requirement: Tangible QOZ business property acquired by the QOF (other than original-use property) must be substantially improved — defined as additional investment exceeding the acquisition cost (excluding land) within any 30-month period after acquisition. Document capital expenditure timing carefully.

Working capital safe harbor: A QOZ business can hold cash or financial property for up to 31 months if there is a written plan to deploy the funds into qualified uses on a reasonable schedule. This gives QOF operators runway for development-stage projects.

Form 8996: Filed annually by the QOF entity with its Form 1065 or 1120. CPAs should confirm this is filed every year — a missed filing jeopardizes the fund's certification status.

Form 8997: Filed annually by each individual investor reporting QOF investments held, deferred gains, and dispositions. As of 2026, most investors will use Form 8997 to report the recognition of previously deferred gains on their 2026 returns.

QOZ vs. 1031 Exchange: When to Use Each

CPAs advising clients with real estate gains often face a direct choice between a 1031 like-kind exchange and a QOF investment. The comparison is not close in most scenarios:

For clients who hold real estate and want to continue owning real estate with similar leverage and depreciation, the 1031 exchange remains superior. The QOZ structure is most compelling for clients who want to diversify out of real estate, have non-real estate capital gains, or are investing in development projects in designated zones where the 10-year appreciation exclusion creates an exceptional after-tax return.

Passive Activity Loss Rules and QOF Investments

Income, loss, and credits from a QOF partnership are subject to the passive activity loss rules under IRC §469 to the same extent as any other partnership investment. A client who is a passive investor in a QOF cannot deduct QOF operating losses against W-2 wages or active business income — those losses are suspended until the client has passive income from the QOF or disposes of the QOF interest.

The practical implication: for real estate development QOFs generating early-year losses, investors who are not materially participating cannot use those losses currently. Clients with other passive income (rental activities, other partnership investments) may be able to absorb QOF passive losses — analyze each client's overall passive activity profile annually.

Common Mistakes CPAs Must Prevent

Missing the 180-day window: The investor must invest gain proceeds in a QOF within 180 days of the gain recognition date. For gains recognized at the entity level (partnership, S-Corp, trust), the investor typically has until the end of the entity's tax year or 180 days from that year-end — confirm the correct start date.

Constructive receipt of proceeds: Unlike a 1031 exchange, there is no qualified intermediary requirement and no restriction on receipt of sale proceeds. The investor can receive cash, then invest in the QOF. What matters is the timing of the investment, not the flow of funds.

Exiting a QOF before 10 years: Selling or exchanging a QOF interest triggers recognition of any remaining deferred gain (now recognized in 2026 anyway) and eliminates the appreciation exclusion. With no appreciation exclusion, all QOF appreciation is taxed as capital gain or ordinary income including depreciation recapture.

Failing to make the basis election: The 10-year appreciation exclusion is not automatic. The taxpayer must make an election under §1400Z-2(c) at the time of sale. Confirm with clients before they execute a QOF sale that the election will be included with the return.

Investing non-gain funds: Only capital gains eligible for deferral generate the tax benefit. A client who contributes $300,000 of basis from an appreciated asset to a QOF — rather than the gain amount — receives no deferral benefit on the non-gain portion. The exclusion of appreciation at 10 years applies to all appreciation in the QOF, but the initial tax benefit depends on properly investing gain proceeds.

FAQs: Opportunity Zone Tax Incentives

Can a client still make a new QOF investment in 2026 and get any tax benefit?

Yes, but the benefit is limited to the 10-year appreciation exclusion. The gain deferral mechanism has expired — any capital gain invested in a QOF in 2026 is recognized in 2026. However, all appreciation earned inside the QOF from 2026 through the date of sale (if held 10+ years) is excluded from federal income tax. Whether this makes economic sense depends on the projected fund return and the client's alternative investment options.

Are QOZ designations permanent?

Yes. The census tract designations under §1400Z-1 do not expire. Approximately 8,764 tracts remain designated across the U.S. New funds can still be formed, and new investments in those funds can still qualify for the 10-year exclusion.

Can a client invest Section 1231 gains in a QOF?

Yes. Net Section 1231 gains — the long-term gains from sales of depreciable business property — qualify for OZ investment under IRC §1400Z-2(a)(1)(A). The 180-day period for a §1231 gain generally begins on the last day of the taxpayer's tax year in which the §1231 gain is recognized, not the actual date of sale.

Does the 10-year exclusion apply to a QOF that holds real estate?

Yes. If the QOF holds real property as QOZ business property, the appreciation exclusion applies to the full appreciation in the QOF interest. However, if the QOF sells the underlying real estate during the holding period, the sale generates taxable income at the QOF level — the exclusion only applies when the investor sells their QOF interest, not when the fund sells underlying assets.

What happens to suspended passive losses if a client sells their QOF interest?

Under IRC §469(g), a fully taxable disposition of a passive activity releases all suspended passive losses associated with that activity. If the client makes the 10-year election under §1400Z-2(c) and sells their QOF interest with zero tax on appreciation, any suspended passive losses from the QOF are released and can offset other income. This is a meaningful planning opportunity for clients with accumulated QOF passive losses.

Does the appreciation exclusion eliminate depreciation recapture?

When the taxpayer makes the §1400Z-2(c) election at the 10-year mark, their basis in the QOF interest steps up to fair market value. This eliminates the §1245 and §1250 recapture that would otherwise apply to depreciation taken inside the QOF — recapture is a built-in component of the fair value. This is one of the most powerful aspects of the exclusion: it eliminates depreciation recapture, not just capital gains.

Are there state income tax benefits from QOZ investments?

It depends on the state. Most states conform to federal tax treatment of QOF investments, providing the same deferral (now expired) and exclusion treatment. However, several states, including California, North Carolina, and Mississippi, do not conform to the OZ provisions — investors in those states owe state tax on QOF gains even when excluded federally. Always confirm the client's state of residence treatment before the 10-year exclusion is relied upon.

Arvori helps CPAs manage complex planning workflows — including tracking client Qualified Opportunity Fund holdings, annual Form 8997 obligations, and 10-year exclusion elections — alongside client email and document management. If your firm advises clients with existing QOF positions approaching their 10-year exit window, learn how Arvori can support your practice.