100% Bonus Depreciation Is Back — Here’s How NNN Tax Benefits Are Reshaping the Investment Landscape in 2026

When 100% bonus depreciation disappeared at the end of 2022, net lease investors felt the loss immediately. Deal flow slowed for equipment-heavy asset classes, after-tax return models got harder to pencil, and one of the most compelling NNN tax benefits in the modern era went dormant. That changed in the summer of 2025. The One Big Beautiful Bill Act brought full bonus depreciation back — permanently — and the market has responded with a measurable surge in transaction volume. If you are buying single-tenant NNN properties in 2026, the tax picture has rarely looked this attractive. Here is exactly what you need to understand.

Why Permanent Bonus Depreciation Is the Biggest NNN Tax Benefit in a Decade

Bonus depreciation lets investors write off the full cost of eligible property components in the year of acquisition rather than spreading deductions across a 39-year IRS depreciation schedule. For NNN properties — where HVAC systems, fire suppression, electrical infrastructure, and specialized equipment often account for a substantial share of building value — this is a first-year tax shield of considerable magnitude.

The One Big Beautiful Bill Act, signed into law in July 2025, is providing a significant boost to commercial real estate — the legislation permanently reinstates 100% bonus depreciation for qualifying property and raises Section 179 expensing limits, two changes that offer immediate advantages to property owners and investors.
Before that law, bonus depreciation had been phasing down by 20 percentage points per year since 2023, meaning investors who closed deals in early 2025 were working with only 40% bonus depreciation.
The One Big Beautiful Bill Act reinstated permanent 100% bonus depreciation
, erasing that phase-down entirely.

The assets qualified for bonus depreciation can equal upwards of 30% of the entire building cost (not including the land). For example, a $10 million building may have 20% of its value allocated to land, which is non-depreciable. Of the remaining $8 million that is depreciable, an investor could have close to $2.5 million in eligible write-offs in year one because of the reinstated bonus depreciation rules — significantly reducing taxable income and boosting after-tax yield.

With bonus depreciation back in full force for the first time since 2022, investors have a rare opportunity to shield their income and increase their after-tax returns on new acquisitions.
For high-net-worth individuals and family offices sitting on concentrated income or active business gains, this is the kind of structural advantage that changes acquisition math in real time.

How Cost Segregation Unlocks the Full Power of NNN Tax Benefits

Bonus depreciation is only as powerful as the assets it covers — and this is precisely where a cost segregation study becomes indispensable. Without one, an investor defaults to treating the entire building as 39-year straight-line property, capturing almost none of the accelerated write-off potential. A professional cost segregation study re-categorizes components of the building into 5-, 7-, and 15-year property classes, all of which qualify for 100% bonus depreciation in year one.

Bonus depreciation allows investors to deduct the entire cost of eligible assets from their taxable income in the year it was placed in service, rather than having it depreciate over multiple years. Some of the qualifying assets that can be deducted in this way include HVAC systems, fire alarms, carpeting, and other personal property that is part of the building.

The math is compelling at almost any acquisition price.
Imagine a company builds a warehouse for $10M. While much of the structure might have a life span of 39 years, some equipment and capital improvements could be classified as depreciating more quickly — after 15 years, or even five. If a cost segregation study finds that 20% of the property has these shorter life spans, the investor could write off $2M of the purchase thanks to bonus depreciation — saving $600K at a 30% tax rate.
Scale that to a $5M quick-service restaurant or a $3M dollar store, and the tax savings become a significant contributor to net return.

A cost segregation study is needed to identify and quantify Qualified Improvement Property (QIP), and 100% bonus depreciation applies — making it ideal for a range of commercial property types.
Investors should commission a cost segregation study at or shortly after closing on any new NNN acquisition. Retroactive studies on properties already owned are also permitted under IRS rules, allowing investors to capture missed depreciation through a change in accounting method.

Which NNN Asset Types Benefit Most from Cost Segregation?

Not all single-tenant properties produce the same cost segregation yield. Equipment-intensive assets offer the largest share of 5- and 15-year components.
Net lease property types that often have a higher proportion of qualifying components and thus benefit more from bonus depreciation include gas stations (e.g., fuel pumps, canopies, underground tanks), convenience stores, car washes (e.g., automated equipment and water systems), and quick-service or drive-through restaurants (e.g., kitchen equipment and interior build-outs).

Dollar stores, pharmacies, and auto parts retailers also benefit meaningfully — their electrical, plumbing, and site improvement components qualify for 15-year MACRS treatment under a proper study, even if the building shell falls on the 39-year schedule. To see live deals across these asset types, investors can browse properties actively trading in the market and assess their cost segregation potential before making an offer.

What the 27% C-Store Investment Surge Tells Us About NNN Tax Benefits and Market Momentum

The clearest real-world evidence that permanent bonus depreciation has transformed NNN deal flow came swiftly after the law passed.
Since 100% bonus depreciation became law in July, gas station, convenience store, and car wash investment sales surged. National gas station and convenience store investment sale activity spiked 27% since the law passed, compared to a 17% increase in overall retail investment sales, according to data from net lease-focused firm The Boulder Group. The assets’ equipment-heavy requirements make them especially tax-beneficial, sending investors rushing to get deals closed, driving up prices and compressing cap rates.

Jim Ceresnak, a vice president at Northmarq specializing in car wash sales, described it as “really at a fever pitch.” Demand is coming from new investors, repeat buyers, new investment funds, and REITs.
That breadth of buyer types signals something important: it is not just tax specialists gaming the code. Mainstream NNN investors are re-underwriting asset classes specifically around the tax benefit layer.

Randy Blankstein, President of The Boulder Group, noted that “with the reinstatement of 100% bonus depreciation, newly constructed net leased convenience store assets are attracting significant private capital from investors seeking both immediate tax benefits and long-term passive income.”
The fact that deal momentum carried through Q4 2025 and into the first quarter of 2026 —
with retail bid-ask spreads narrowing to 23 basis points
— suggests investors are pricing in the permanent nature of the change, not treating it as a short-term window.

For investors evaluating where to deploy capital in 2026, read more NNN analysis on the Triple Net Direct blog covering sector-specific trends across convenience, QSR, and essential retail assets.

The 20% Pass-Through Deduction: A Second Layer of NNN Tax Benefits Most Investors Overlook

Bonus depreciation and cost segregation generate headline-grabbing first-year deductions, but the second major NNN tax benefit unlocked by recent legislation is equally durable: the permanent 20% qualified business income (QBI) deduction for pass-through entities. Most individual NNN investors hold properties through LLCs, partnerships, or S-corps — structures that flow income directly to the personal return rather than paying corporate tax. That income is now permanently eligible for a 20% deduction off the top.

The move to make permanent the 20% deduction for qualified business income from pass-through entities benefits real estate, which leans heavily on LLCs and partnerships.
For an investor earning $200,000 in net lease rental income through an LLC, that deduction eliminates tax on $40,000 before a single dollar of depreciation is applied. Stack the QBI deduction with a cost segregation-enhanced first-year write-off, and the combined tax efficiency of a new NNN acquisition can make the after-tax cash-on-cash return substantially higher than the stated cap rate suggests.

Real estate investors are assessing which parts of their properties can be depreciated to maximize these benefits. While the One Big Beautiful Bill Act alleviated much of the uncertainty by making most cuts permanent, lawyers and tax accountants note that the ever-shifting tax code still requires constant planning.
The permanence of both the QBI deduction and 100% bonus depreciation means investors can now model multi-decade hold scenarios with confidence that the tax framework will not revert midway through a lease term.

How to Stack NNN Tax Benefits with a 1031 Exchange

The single most powerful tax combination available to NNN investors is a 1031 exchange into a property where cost segregation and bonus depreciation are immediately applied. A 1031 exchange defers the capital gains tax from the sale of an existing property; the bonus depreciation on the replacement property then generates fresh deductions that can shelter rental income from the new asset and, in some cases, offset ordinary income from other sources — subject to passive activity rules and real estate professional status.

The sequencing matters. An investor who sells an appreciated multifamily property, executes a 1031 exchange into an absolute NNN convenience store or QSR restaurant, and immediately commissions a cost segregation study can effectively defer the gain from the prior asset while generating a significant paper loss from the new one.
A 1031 exchange allows investors to defer capital gains taxes by reinvesting proceeds from a property sale into a like-kind property. Net lease properties are popular for 1031 exchanges due to their stable income and ease of management.

This stacking strategy is especially relevant in 2026 as investors who completed exchanges during 2023 and 2024 — when bonus depreciation was only at 60% and 80% respectively — are now evaluating whether to recycle capital into new acquisitions that qualify for the full 100% write-off. Investors navigating these decisions should connect with a specialist advisor who can model the specific after-tax outcome against their income and existing portfolio depreciation schedules.

NNN Tax Benefits in Context: After-Tax Yield vs. Stated Cap Rate

Understanding NNN tax benefits requires translating deductions into actual yield impact.
Single tenant net lease cap rates decreased one basis point to 6.80% in Q1 2026, according to The Boulder Group’s First Quarter Net Lease Research Report.
At face value, 6.80% may appear modest relative to other real estate classes. But the after-tax yield picture changes substantially when depreciation and cost segregation are applied.

Consider a $4 million NNN dollar store acquired at a 7.0% cap rate, generating $280,000 in annual rent with the tenant covering taxes, insurance, and maintenance. A cost segregation study allocating 25% of the depreciable basis (approximately $750,000 after backing out land) to short-life components triggers a $750,000 first-year write-off under 100% bonus depreciation. For an investor in the 37% federal bracket, that generates approximately $277,500 in tax savings in year one alone — nearly equal to the entire first year of gross rent. Regular straight-line depreciation on the remaining building value continues to shelter a meaningful portion of income in every subsequent year of the hold period.

Updated rules enable accelerated write-offs for improvements such as interior buildouts, lighting, and HVAC for commercial properties, enhancing market profitability and driving investment activity.
When NNN properties are evaluated on this after-tax basis — rather than gross cap rate alone — the asset class frequently outperforms other CRE categories that carry higher stated yields but deliver far less tax-sheltered income.

Frequently Asked Questions

What are the main tax benefits of NNN investing?

The primary NNN tax benefits are straight-line depreciation on the building structure, accelerated depreciation via cost segregation, 100% bonus depreciation on eligible short-life components (now permanent under the One Big Beautiful Bill Act), the 20% qualified business income deduction for pass-through entities, and capital gains deferral through 1031 exchanges. Used together, these can dramatically reduce effective tax on net lease rental income.

How does bonus depreciation work for NNN properties in 2026?

The One Big Beautiful Bill Act permanently reinstated 100% bonus depreciation starting in 2025. Investors who acquire a qualifying NNN property can deduct the full cost of eligible short-life components — HVAC, electrical, plumbing, site improvements — in the year of purchase. A cost segregation study is required to identify these components and maximize the first-year deduction, which can equal 20–30% of the property’s total purchase price.

What is a cost segregation study and why does it matter for NNN investors?

A cost segregation study is an engineering-based tax analysis that reclassifies components of a commercial property from 39-year straight-line depreciation into 5-, 7-, or 15-year property classes. For NNN investors, this directly increases the pool of assets eligible for 100% bonus depreciation, compressing what would otherwise be decades of tax savings into a single acquisition year and substantially boosting after-tax cash-on-cash return.

Can you combine a 1031 exchange with bonus depreciation on a new NNN property?

Yes — and this combination is one of the most powerful tax strategies in NNN investing. A 1031 exchange defers capital gains from the property being sold. Once the replacement NNN property is acquired, investors can commission a cost segregation study and apply 100% bonus depreciation to eligible components of the new asset, generating fresh deductions on top of the deferred gain. Consult a CPA experienced in real estate to model the specific outcome.

Which NNN property types generate the largest bonus depreciation deductions?

Equipment-heavy properties yield the highest percentage of short-life components under a cost segregation study. Gas stations, convenience stores, and car washes typically qualify for the most aggressive deductions due to fuel pumps, underground storage tanks, automated wash equipment, and canopies. Quick-service restaurant NNN properties — with commercial kitchen equipment and built-out interiors — are close behind. Dollar stores and pharmacies also benefit, though at somewhat lower proportions.

How does the 20% QBI deduction apply to NNN rental income?

Most individual NNN investors hold properties through pass-through entities like LLCs or partnerships. The qualified business income deduction — made permanent by the One Big Beautiful Bill Act — allows these investors to deduct 20% of net rental income from their taxable income before federal rates apply. This deduction stacks on top of standard depreciation, creating a compounding tax efficiency that makes the effective tax rate on NNN income lower than on most other income types.

Bottom Line

The permanent reinstatement of 100% bonus depreciation has reset the NNN tax benefits equation in a way that is already moving capital and compressing cap rates in equipment-heavy asset classes. Add cost segregation, the permanent QBI pass-through deduction, and the 1031 exchange toolkit, and single-tenant net lease properties offer a tax efficiency profile that few other commercial real estate structures can match.
For the year ending Q1 2026, net-lease investment volume increased 8% year-over-year to $52.4 billion
— and the tax tailwinds are a meaningful part of that story. If you are building a tax-efficient income portfolio in 2026, view available NNN deals across asset classes that are positioned to maximize every layer of these benefits.

Sources

• One Big Beautiful Bill’s Passage Launches New Tax Era For CRE — Bisnow
• Tax Planning: How the Wealthy Aim to Cut Their 2026 IRS Bills — CNBC
• New Bonus Depreciation Rule Pumps Up Investment In Gas Stations — Bisnow
• New Tax Law, Active Investors Boost Midyear CRE Outlook — GlobeSt
• Bonus Depreciation is Back — Avison Young Net Lease
• Q1 2026 Net Lease Research Report — The Boulder Group
• Net Leased Circle K Sold — The Boulder Group
• Q1 2026 U.S. Net-Lease Investment Figures — CBRE