The 10-year hold: tax-free gains on Opportunity Zone investments

It is an election, available when you sell or exchange a Qualified Opportunity Fund (QOF) investment held at least 10 years, to treat your basis in the investment as equal to its fair market value on the date of sale, which eliminates the gain.^1,2

A QOF is a corporation or partnership that holds at least 90% of its assets in Opportunity Zone property.³ The 10-year election is the program's largest benefit: deferral and the step-up reduce tax on the gain you already had, while the exclusion removes tax on everything the investment earns in value. The regulations limit the election to a taxpayer whose holding period in the qualifying investment is at least 10 years and who has not had an inclusion event for that portion.²

It excludes the appreciation on the qualifying QOF investment; it does not exclude the original deferred gain, appreciation after year 30, or any part of a mixed investment that was not deferred gain.^1,5

The basic election is set by statute and regulation. How the year-30 basis is determined and documented is open; Notice 2026-55 asks for comments on that valuation.⁷ See the 30-year limit.

An investor who puts $1,000,000 of gain into a standard QOF and sells in year 12 for $2,500,000 excludes $1,500,000 of gain, about $357,000 of federal tax.

Assumptions: the $1,000,000 is long-term capital gain invested March 15, 2027; the investment is worth $2,500,000 when sold in March 2039; federal rate 23.8% (20% plus the 3.8% net investment income tax); no state tax; the fund is a partnership and the sale is of the investor's interest. Figures are illustrative.

1. 1.Year 5 (March 2032): basis steps up by $100,000; $900,000 of deferred gain is included; tax $214,200. Basis becomes $1,000,000.
2. 2.Year 12 (March 2039): the investor sells for $2,500,000. Without the election, gain would be $2,500,000 minus $1,000,000, or $1,500,000, and tax $357,000.
3. 3.With the election: basis is set to $2,500,000, so gain is zero and federal tax at exit is $0.
4. 4.Total federal tax over the life of the investment: $214,200, all of it on the original gain.

The full multi-strategy comparison, including what the same money would earn outside a QOF, is in the Opportunity Zone tax savings example.

Most QOFs are partnerships, and the regulations give them two exit paths: sell the partnership interest with basis stepped up to fair market value including debt, or have the fund sell its assets and let investors exclude the resulting gains.^2,8

Debt matters because many QOF partnerships borrow, and an investor's share of partnership liabilities is part of what a buyer effectively pays. Basis reset to value including debt keeps the investor from recognizing gain on debt-financed value.⁹ Practitioner summaries also describe the asset-sale election as reaching §1231 gain and depreciation recapture, not only capital gain; confirm the treatment of a specific sale with your tax adviser.¹⁰

Distributions are a separate question. A distribution that exceeds basis can be an inclusion event, and debt-financed distributions in the first years carry special risk. See debt and financing in Opportunity Zone projects.

You make the election on your return for the year of the sale, reporting the sale and the basis adjustment, and you must have held the qualifying investment at least 10 years without an intervening inclusion event.^2,11

• Holding period. It runs from the date you acquired the QOF interest. An heir who inherits the interest keeps the decedent's holding period.¹²
• Inclusion events. Any portion with an earlier inclusion event loses qualifying status for the election.²
• Fund failures. A QOF that decertifies or a QOZB that fails its tests can jeopardize the benefit; the 90% asset test is tested twice a year for the life of the fund.
• Losses. If the investment is worth less than your basis after year 5, you would not make the election; the loss is measured against your actual basis.
• Reporting. Investors file Form 8997 annually; funds file Form 8996 and, under proposed rules, new §6039K information returns with daily penalties for failure.¹³

Data centers suit the 10-year hold because most of their value is in long-lived land, shell, power and cooling infrastructure, and a stabilized, leased facility is the kind of asset buyers acquire as a going concern.¹⁴

Three design points follow. First, plan the exit as an interest sale where possible, so the basis reset covers debt and depreciation. Second, expect equipment turnover: IT equipment has much shorter lives than the hold, and tenant-owned servers are not the fund's property at all. Third, make sure the QOZB is actively operating the facility, because merely entering into a triple-net lease is not an active trade or business, and a failed QOZB undermines the exclusion.¹⁵ See Opportunity Zone exit strategies and servers, equipment and the Opportunity Zone rules.

Bonus depreciation can add to the result. Permanent 100% bonus depreciation for qualifying property acquired after January 19, 2025 lets a data center QOZB deduct short-life equipment quickly, and an interest sale after 10 years with the basis reset can avoid recapturing those deductions.¹⁶ See depreciation and Opportunity Zones.