State Conformity to Bonus Depreciation
- Rick Ruberg
- 2 days ago
- 9 min read
The 2026 Investor's Guide (All 50 States)
The One Big Beautiful Bill Act brought back 100% bonus depreciation, and it made it permanent. Property acquired after January 19, 2025 now qualifies for a full first-year write-off at the federal level. For real estate investors, that is a powerful deduction.
However, your state may not follow along.
Federal law and state law are two separate systems and they don't always align. A state can adopt the federal bonus depreciation rules, reject them entirely, or land somewhere in the middle. When your state rejects them, you give back part of the benefit on your state return even though you keep it on your federal return. That gap changes your real after-tax return, and it can change which deals make sense in the first place.
I'm gonna show you exactly where every state stands in 2026.
You get the full 50-state chart, the recent changes triggered by the new law, the distinction between corporate and personal treatment, and a practical playbook for managing the mismatch.
The short version
Most states do not give you the full federal benefit on your state return.
A minority of states fully conform and let you take 100% bonus depreciation on the state return too. A larger group decouples and forces you to add the deduction back. A handful conform only partially or only for certain years. And nine states impose no broad personal income tax at all, which means individual investors there never face a state add-back in the first place.
Two things make 2026 different from prior years.
First, the new federal law restored 100% bonus, so the stakes of a mismatch are higher than they were during the phase-down.
Second, several states moved fast to decouple after the law passed, because full conformity would cost them revenue. The map is shifting, so the date on any chart matters.
What "conformity" actually means
Every state that taxes income starts with a federal number, usually federal taxable income or federal adjusted gross income. From there, the state adds things back and subtracts things out to reach its own taxable base. Bonus depreciation is one of the most common add-backs.
When a state makes you add back the deduction, you do not lose the money forever. You lose the timing. A deduction you could have taken this year gets stretched across decades. For a commercial building component pushed onto a 39-year schedule, that delay is severe.
Why the rules shifted in 2025 and 2026
States conform to the federal code in one of two ways, and the difference explains the recent scramble.
Rolling conformity states adopt federal changes automatically as they happen. When the new law restored 100% bonus, these states were on track to absorb the cost unless their legislatures acted to stop it. Static or fixed-date conformity states tie themselves to the federal code as of a specific date, so they only pick up federal changes when they pass a law to update that date.
Because 100% bonus carries a real revenue cost, several states moved to decouple after the law passed rather than swallow the hit.
Delaware held a special legislative session and decoupled from the bonus provisions.
The District of Columbia passed emergency legislation to decouple.
Louisiana stopped conforming for tax years beginning on or after January 1, 2025.
New Mexico, long a conforming state, decouples effective May 20, 2026.
More states are expected to revisit the issue as their 2026 legislative sessions play out.
The takeaway is simple. State conformity is not static, and a state that conformed last year may not conform this year. Confirm your state's current position before you file.
The distinction that matters for real estate investors
Most published conformity charts, including the most authoritative ones, describe corporate income tax treatment. Most real estate investors do not hold property in a C corporation. They hold it in an LLC, a partnership, or in their own name, and the income and depreciation flow to a personal return.
That difference is not academic.
In most states, the bonus depreciation add-back applies the same way whether the income lands on a corporate or an individual return, because the add-back attaches to the depreciation itself. So the conformity status in the chart below is a reliable guide for most investors in most states. But the mechanics can differ at the individual level in some states, and the safest move is to confirm how your state treats bonus on the personal return.
There is also a group of states where the question disappears for individual investors. Nine states impose no broad tax on personal income: Alaska, Florida, Nevada, New Hampshire, South Dakota, Tennessee, Texas, Washington, and Wyoming.
If you hold rental property through a pass-through entity and report the income on your personal return, you owe no state income tax on that income in those states, so state bonus conformity is irrelevant to you as an individual. The catch: several of these states still tax corporations, so a C corporation holding property in Florida, for example, still faces the state add-back even though an individual owner would not.
Read the chart with your own structure in mind. Corporate filer, pass-through investor, and individual landlord can each land in a different place in the same state.
State Conformity to Bonus Depreciation: Full Chart (2026)
The table shows how each state handles bonus depreciation according to Internal Revenue Code Section 168(k), based on reliable sources updated as of mid-2026.
When a state "conforms," it means you can take the full federal deduction on your state return.
If a state "decouples," you'll need to add back some of that deduction.
"Partial" indicates that conformity is restricted by factors like the year, type of property, or method used.
Keep in mind that these rules can change, and the rules for personal returns might differ from those for corporate returns in some states, so it's a good idea to double-check your specific situation before you file.
State | Bonus Depreciation Treatment | Investor Notes |
|---|---|---|
Alabama | Partial | Generally conforms, with a narrow historical exception |
Alaska | Partial | Conforms, with an oil and gas exception. No personal income tax |
Arizona | Decouples | Add-back required, with a recomputed deduction allowed |
Arkansas | Decouples | Add-back required |
California | Decouples | Full add-back. High state rates make the gap costly |
Colorado | Conforms | Full federal deduction allowed |
Connecticut | Decouples | Add-back required |
Delaware | Decouples from OBBBA | Applies the pre-OBBBA Section 168(k) rules, not the restored 100% |
District of Columbia | Decouples | Decoupled from the new law by emergency legislation |
Florida | Decouples (corporate) | 7-year spread add-back for C corps; QIP exempt. No personal income tax |
Georgia | Decouples | Add-back required |
Hawaii | Decouples | Add-back required |
Idaho | Decouples | Add-back required |
Illinois | Partial | Add-back with related subtractions |
Indiana | Partial | Decouples from 168(k) with definitional carve-outs |
Iowa | Conforms | Conforms for property placed in service on or after Jan 1, 2021 |
Kansas | Conforms | Full federal deduction allowed |
Kentucky | Decouples | Add-back required |
Louisiana | Decouples | Stopped conforming for tax years beginning on or after Jan 1, 2025 |
Maine | Decouples | Add-back required, offset by a 9% capital investment credit |
Maryland | Decouples | Add-back required |
Massachusetts | Decouples | Add-back required |
Michigan | Decouples | Corporate add-back required |
Minnesota | Partial | 80% add-back, recovered over the next five years |
Mississippi | Conforms | 100% allowed, with an election to depreciate instead |
Missouri | Partial | Conforms except for a 2002 to 2003 window |
Montana | Conforms | Full federal deduction allowed |
Nebraska | Conforms | Full expensing for tax years beginning on or after Jan 1, 2025 |
Nevada | No corporate income tax | No personal income tax either |
New Hampshire | Decouples (business tax) | Add-back on the business profits tax. No personal income tax |
New Jersey | Decouples | Add-back required |
New Mexico | Conforms, then decouples | Decouples effective May 20, 2026 |
New York | Decouples | Add-back required, with a Liberty Zone exception |
New York City | Decouples | Add-back required |
North Carolina | Partial | 85% add-back, recovered over five years |
North Dakota | Conforms | Full federal deduction allowed |
Ohio | Decouples | Gross-receipts CAT instead of a corporate income tax |
Oklahoma | Conforms | Full federal deduction allowed |
Oregon | Conforms | Full federal deduction allowed |
Pennsylvania | Decouples | Depreciation computed under MACRS without bonus |
Rhode Island | Decouples | Add-back required |
South Carolina | Decouples | Add-back required |
South Dakota | No corporate income tax | No personal income tax either |
Tennessee | Decouples (franchise/excise) | Add-back on the F&E tax. No personal income tax |
Texas | Conforms (franchise) | Conforms on the franchise tax. No personal income tax |
Utah | Conforms | Full federal deduction allowed |
Vermont | Decouples | Add-back required |
Virginia | Decouples | Add-back required |
Washington | No corporate income tax | No broad personal income tax either |
West Virginia | Conforms | Full federal deduction allowed |
Wisconsin | Decouples | Add-back required |
Wyoming | No corporate income tax | No personal income tax either |
If you invest across multiple states, you need a separate depreciation schedule for the federal return and for each non-conforming state where you file.
Partnerships and S corporations with owners in several states often have to track this at the owner level. It adds some complexity, and it is worth pricing into a multi-state strategy before you buy.
How to manage the mismatch
You cannot make a state conform but you can plan around it.
Run the state numbers before you buy. A high-tax, non-conforming state can quietly erode the after-tax return you modeled on the federal benefit alone. Build state treatment into your acquisition analysis the same way you build in insurance and property tax.
Lean on Section 179 where it fits. Many states that decouple from bonus depreciation still conform to Section 179. The new law raised the Section 179 limit significantly. For property that qualifies, electing Section 179 can deliver an accelerated deduction that your state actually honors, which keeps your federal and state schedules aligned and cuts your compliance burden. Section 179 has its own limits and an income cap, so it is a complement to bonus, not a full replacement.
Consider electing out of bonus in some states. One common reason to elect out of federal bonus is a federal/state mismatch. Electing out can smooth taxable income, make state outcomes more predictable, and better match deductions to future income. This is a deliberate tradeoff, not a default. Model it before you choose.
Keep dual depreciation schedules. In a decoupled state you track the add back in year one and the slower state deductions in every year after. Your CPA or your software has to carry both the federal and the state basis.
Use cost segregation either way. A cost segregation study identifies and reclassifies building components into shorter recovery periods. In a conforming state, the bonus you claim federally is also allowed on the state return. In a decoupling state, the study still accelerates your federal deduction and still front loads your state deductions. The benefit is larger in conforming states, but it is real everywhere.
Catch up missed depreciation with Form 3115. Already own property and never ran a study? You can claim missed depreciation through a change in accounting method on Form 3115, without amending prior returns.
Plan for recapture. Bonus depreciation accelerates deductions, and those deductions get recaptured as ordinary income when you sell. Holding longer or using a 1031 exchange can defer that. State recapture follows its own conformity rules, so a decoupling state that delayed your deduction will also handle recapture on its own terms.
A note for short-term rental and REPS investors
If you use a short-term rental strategy or qualify for real estate professional status, large first-year losses are the whole engine of the plan. They offset other income.
In a conforming state, those losses show up on the state return too. In a decoupling state, the bonus portion of the loss does not exist at the state level in year one, because you added it back. The federal benefit is unchanged. The state benefit is muted or delayed. If your strategy depends on using paper losses against ordinary income, know which of your states will actually recognize them.
Frequently Asked Questions
Which states fully conform to federal bonus depreciation in 2026?
A minority do. States currently allowing the full federal deduction include Colorado, Iowa, Kansas, Mississippi, Montana, Nebraska, North Dakota, Oklahoma, Oregon, Texas, Utah, and West Virginia. New Mexico conforms until it decouples on May 20, 2026. Conformity changes, so confirm your state's status for the tax year you are filing.
Does California allow bonus depreciation?
No. California does not conform to federal bonus depreciation and requires you to add the deduction back on your state return. You claim the full deduction federally and depreciate the asset over its normal life for California purposes.
Does Texas conform to bonus depreciation?
Texas conforms for its franchise tax, and Texas has no personal income tax. A pass-through investor reporting rental income on a personal return owes no Texas income tax on that income, so state bonus conformity does not affect the individual at all.
What does it mean when a state decouples from bonus depreciation?
It means the state disallows the federal bonus deduction. You add it back to your state income in year one, then depreciate the asset over its standard recovery period on the state return. You keep the federal benefit and recover the state deduction slowly over time.
If my state decouples, do I lose the deduction?
No. You lose the timing, not the deduction. You still depreciate the full cost on the state return. You just spread it over the asset's normal life instead of taking it all up front.
Does state conformity affect my federal bonus depreciation?
No. State rules never touch your federal deduction. You claim 100% bonus federally regardless of where the property sits. Conformity only determines what happens on the state return.
Is bonus depreciation the same as Section 179 for state purposes?
No, and the difference is useful. Many states decouple from bonus depreciation but still conform to Section 179. Where property qualifies for Section 179, that election can give you an accelerated deduction your state actually honors.
How do I handle property in multiple states?
You maintain a federal depreciation schedule and a separate schedule for each non-conforming state where you file. Pass-through entities often track this at the owner level. Factor the added complexity into any multi-state plan.
Conclusion
Federal bonus depreciation is back at 100% and your state may or may not come along for the ride. Most do not give you the full benefit on the state return, several changed their position in the last year, and the rule that applies to you can depend on whether you file as a corporation, a pass-through, or an individual.
Before you close on a property, know this... A cost segregation study maximizes the deduction in every state. State conformity decides how much of it you get to use, and when.
This article is educational only. State conformity rules change frequently and can differ between corporate and individual returns. Confirm your state's current treatment with a qualified tax professional before filing.
Comments