Roth Conversion in North Carolina

A Roth conversion in North Carolina is taxed by the state at a flat 3.99% for tax year 2026, the single most important number for anyone weighing a conversion here. North Carolina charges the same rate on every dollar of converted pre-tax IRA or 401(k) money, with no brackets and no general retirement-income break.

Does a Roth Conversion Get Taxed in North Carolina?

Yes. North Carolina taxes a Roth conversion because the state starts from your federal taxable income, and the converted amount is federal ordinary income. That amount flows into your NC return and is taxed at the flat 3.99% rate for 2026. No general exclusion shelters a conversion of a private IRA or an ordinary 401(k). (Source: NCDOR Individual Income Tax, 2026.)

When you convert traditional (pre-tax) retirement money to a Roth, the IRS treats the converted balance as taxable ordinary income in the conversion year. North Carolina uses federal adjusted gross income as its starting point, so that same conversion income lands on your North Carolina Form D-400 and gets taxed at the state’s flat rate. There is one narrow exception: if the money you are converting is Bailey-protected government-plan money (covered below), the Bailey exclusion can apply. For an everyday private IRA or a corporate 401(k), the conversion is fully taxable in NC. For the mechanics that apply in every state, see our overview of Roth conversion state taxes.

North Carolina Roth Conversion Tax Rate: The Flat 3.99% Math

The North Carolina Roth conversion tax rate for 2026 is a flat 3.99%. Because the state has no brackets, the marginal and effective state rates on your conversion are the same number. That makes the North Carolina state-tax cost of a conversion easy to compute: multiply the taxable converted amount by 0.0399. (Source: NCDOR Tax Rate Schedules, 2026; Tax Foundation, 2026.)

This flat structure is the defining feature of converting in North Carolina. In a bracketed state, a large conversion can push part of the income into higher tiers. In North Carolina, every dollar converted is taxed at 3.99%, so a $10,000 conversion and a $200,000 conversion carry the identical state rate. The federal side is where bracket-stacking still matters, which is why sizing the conversion remains its own decision. Our guide on how much to convert to a Roth walks through that federal bracket math.

Illustrative: State Tax on a $100,000 Conversion in North Carolina

The table below is illustrative only. It shows the North Carolina state tax on a $100,000 conversion at the 2026 flat rate, alongside two sample federal brackets to show the combined bill. Your federal figure depends on your total taxable income; the NC figure does not vary by bracket. (Source: NCDOR, 2026; federal brackets illustrative.)

The NC line stays at $3,990 no matter which federal bracket you land in, and it stays proportional at every conversion size: $199.50 on a $5,000 conversion, $39,900 on a $1,000,000 conversion. To model when a conversion pays back, see our Roth conversion break-even analysis.

Does NC Tax 401(k) and IRA Withdrawals?

Yes. North Carolina taxes distributions from traditional IRAs, 401(k)s, and similar pre-tax plans as ordinary income at the flat 3.99% for 2026. North Carolina is not a Pennsylvania-style state: there is no general retirement-income exclusion and no age-based exemption for ordinary private retirement withdrawals. The only carve-out is the Bailey exclusion for qualifying government pensions. (Source: NCDOR Individual Income Tax, 2026.)

This matters for conversion planning because your future traditional withdrawals and your required minimum distributions will be taxed at the same flat NC rate that applies today. Qualified Roth withdrawals, by contrast, come out free of both federal and North Carolina income tax once the account is seasoned. So a conversion in North Carolina moves money from a stream NC will always tax at 3.99% into a stream NC will not tax at all going forward. What NC does not offer is any dollar-cap or income-based retirement subtraction that some other states use.

Does North Carolina Tax Social Security?

No. North Carolina fully exempts Social Security benefits. The state subtracts any Social Security income included in your federal AGI when computing North Carolina taxable income, so you owe zero NC tax on those benefits regardless of your total income. (Source: NCDOR, Social Security deduction, 2026; Tax Foundation, 2026.)

This exemption interacts directly with conversion timing. Federally, up to 85% of your Social Security can become taxable once other income (including conversion income) rises, so a large conversion in a year you are collecting Social Security can raise your federal bill through that back door. North Carolina removes its own layer of that problem by never taxing the benefits at the state level. For the federal side of this interaction, read our breakdown of the taxation of Social Security benefits in 2026.

Bailey Settlement North Carolina Pension Exemption

The Bailey Settlement fully exempts certain federal, North Carolina state, and North Carolina local government retirement benefits from state income tax, with no dollar cap and no income limit. It applies to retirees who had five or more years of creditable service, or who had contributed to a qualifying state plan, before August 12, 1989. (Source: NCDOR, Bailey Decision, 2026.)

Bailey is all-or-nothing based on that pre-1989 vesting condition. Qualifying benefits include federal pensions, NC state and local government pensions, military retirement, and the state’s own Section 401(k) and Section 457 plans where the pre-1989 condition is met. A key planning point: Bailey shelters the pension or plan distributions themselves, but it does not convert your ordinary private IRA into exempt money. If you roll or convert a non-Bailey private IRA or corporate 401(k), the conversion income is fully taxable at 3.99% even if you also happen to receive Bailey-exempt pension income. The two buckets are treated separately on your return.

North Carolina Military Retirement Tax Exemption

Military retirement pay is generally exempt from North Carolina income tax. Retirees covered by the Bailey Settlement qualify if they met the pre-August 12, 1989 service condition, and a separate 2021 exclusion applies to retirees who served at least 20 years or who were medically retired under 10 U.S.C. Chapter 61. (Source: NCDOR; N.C. Gen. Stat. Section 105-153.5(b), 2026.)

For a military retiree weighing a Roth conversion, the takeaway is the same distinction as above: the exclusion protects your military pension, not a taxable IRA conversion. Converting pre-tax IRA or Thrift Savings Plan money you rolled to an IRA still generates ordinary income taxed by North Carolina at 3.99% in 2026. The military exclusion simply means that pension income is not stacking additional NC-taxable dollars on top of your conversion in the same year.

North Carolina Estate Tax 2026: Neither Estate Nor Inheritance Tax

North Carolina has no estate tax and no inheritance tax for 2026. The state repealed its estate tax effective for deaths on or after January 1, 2013, and it has no separate inheritance tax. There is no NC exemption threshold to plan around because neither tax exists. The federal estate tax still applies separately. (Source: Tax Foundation, 2026; NCDOR.)

For conversion planning, this removes one variable that complicates the math in states that levy their own death taxes. A Roth account you leave to heirs passes free of North Carolina estate or inheritance tax, and heirs can generally continue tax-free qualified withdrawals under federal rules. The federal estate exemption ($15,000,000 per person for 2026 under the 2025 OBBBA law) is still the ceiling that matters; see our note on the estate tax exemption in 2026.

NC Income Tax Rate Cut: Will It Drop Below 3.99%?

Some searchers ask about a “2.99 percent” North Carolina rate. For 2026 the statutory flat rate is 3.99%. Under Session Law 2023-134, the rate is scheduled to step toward 3.49% for 2027 and can decline further in later years if statutory revenue triggers are met. Any figure below 3.99% is future and conditional, not the rate in effect for 2026. (Source: NCDOR Tax Rate Schedules, 2026.)

This creates a genuine tension worth reconciling as part of a multi-year plan. Federal logic often argues for converting now, before rates or RMDs push you higher. The North Carolina side argues the opposite: because the state rate is scheduled to fall, the state-tax cost of a conversion may be lower in a future year than in 2026. The table below illustrates that gap on a $100,000 conversion. It is illustrative and conditional; the lower rate applies only if the statutory triggers are met.

The state-side saving from waiting is $500 per $100,000 in this illustration. Whether that outweighs federal reasons to convert sooner (rising RMDs, bracket changes, IRMAA exposure) is exactly the multi-year tradeoff a conversion plan is built to weigh. The state saving alone rarely dominates the decision, but it belongs in the math.

Residency and Timing: Converting as a North Carolina Resident

North Carolina taxes your Roth conversion if you are an NC resident in the conversion year. Under federal law 4 U.S.C. Section 114, a state cannot tax the retirement income (including IRA distributions and conversions) of a nonresident. So a former NC resident who has established domicile elsewhere before converting is not subject to NC tax on it, and a new NC resident is. (Source: 4 U.S.C. Section 114; NCDOR residency rules, 2026.)

Two situations come up often. First, someone relocating from a high-tax state to North Carolina may find their conversion taxed at the flat 3.99% instead of a higher home-state rate once NC residency is fully established. Second, a part-year resident is taxed on the portion of income attributable to the NC-resident period, so the exact date a conversion posts relative to your residency change can affect which state taxes it. The line-by-line apportionment for a conversion straddling a residency change should be confirmed against the current Form D-400 instructions and a tax professional. If relocation is part of your thinking, see moving to a tax-friendly state in retirement.

Roth Conversion Before RMDs (Age 73)

Required minimum distributions now begin at age 73 (75 for those born in 1960 or later) under federal law. The years between retirement and RMD age, often also before Social Security begins, can be a lower-income window. Converting during that window fills up federal brackets while North Carolina applies its flat 3.99% either way. (Source: federal RMD rules; NCDOR, 2026.)

Because North Carolina is flat, the state does not reward converting in a low-income year the way a bracketed state would; the 3.99% applies whether your other income is high or low. The window’s value is almost entirely on the federal side, where filling the 12% or 22% bracket before RMDs and Social Security stack on top can meaningfully lower lifetime federal tax. North Carolina’s contribution to the decision is that it never taxes the resulting Roth withdrawals and never taxes Social Security, so the after-RMD picture is cleaner here than in many states.

Is North Carolina Tax-Friendly for Retirees?

North Carolina is moderately tax-friendly for retirees. It does not tax Social Security, has no estate or inheritance tax, and levies a low flat 3.99% income tax for 2026. The offset: it taxes ordinary IRA, 401(k), and private-pension withdrawals at that flat rate with no general retirement exclusion beyond Bailey and military pay. (Source: NCDOR, 2026; Tax Foundation, 2026.)

Rounding out the picture for 2026 planning:

• Property tax: North Carolina property tax is county-administered rather than set at the state level, and effective rates run roughly 0.6% to 0.8% of value, among the lower half of states. A statutory homestead exclusion is available to qualifying homeowners age 65 and older (and to certain disabled owners), which can shield part of a primary residence’s value. (Source: county tax offices; Tax Foundation, 2026.)
• Sales tax: 4.75% state rate, with average combined state and local around 6.99%. Most groceries are exempt from the state rate but subject to a 2% local tax. (Source: NCDOR; Tax Foundation, 2026.)
• Medicare IRMAA: a large conversion can raise your Medicare Part B and D premiums two years later through the IRMAA lookback, a federal effect North Carolina does not change. See our Medicare IRMAA 2026 brackets and premiums.

For the core conversion strategy that ties these threads together, our Roth conversion service page explains the full multi-year approach.

How Rothology Plans a Roth Conversion for North Carolina Residents

Rothology Premier Roth Conversion is a flat-fee, fiduciary planning service from Q3 Advisors. For North Carolina residents it builds a multi-year conversion plan and tax projections that apply the state’s flat 3.99% (2026) alongside federal brackets, RMD timing, Social Security, and IRMAA. It is an educational, factual engagement, and no financial products are sold. (Q3 Advisors, RIA.)

For a North Carolina resident, the analysis typically covers how a conversion interacts with the flat state rate versus the scheduled rate decline, whether any Bailey-exempt or military-exempt income is present (and confirming it does not shelter a private IRA conversion), the pre-RMD window on the federal side, and residency facts if you have moved into or out of North Carolina. The work is projection and education, not a recommendation to convert a specific amount, and every figure is documented against its source and year.

Frequently asked questions

Does North Carolina tax Roth conversions?

Yes. North Carolina taxes a Roth conversion as ordinary income at the flat 3.99% rate for 2026, because the state begins from your federal taxable income and the converted amount is federal ordinary income. No general exclusion applies to a private IRA or 401(k) conversion. Only Bailey-protected government-plan money is treated differently. (Source: NCDOR Tax Rate Schedules, 2026.)

How much tax will I pay on a Roth conversion in North Carolina?

Multiply the taxable converted amount by 3.99% for the North Carolina share. A $100,000 conversion costs about $3,990 in NC state tax for 2026, and the rate is flat, so it stays proportional at any size. Federal ordinary-income tax applies on top and depends on your bracket. (Source: NCDOR Tax Rate Schedules, 2026.)

Does North Carolina tax Social Security benefits?

No. North Carolina fully exempts Social Security benefits by subtracting them from your federal AGI when computing state taxable income, so you owe no NC tax on them at any income level. Federal tax may still apply to up to 85% of your benefits. (Source: NCDOR Social Security deduction, 2026; Tax Foundation, 2026.)

What is the Bailey Settlement and who qualifies for the pension exemption?

The Bailey Settlement fully exempts qualifying federal, North Carolina state and local government pensions and military retirement from NC income tax, with no cap. You qualify if you had five or more years of creditable service, or contributed to a qualifying state plan, before August 12, 1989. It does not exempt a private IRA conversion. (Source: NCDOR Bailey Decision, 2026.)

Does North Carolina have an estate or inheritance tax?

No. North Carolina has neither an estate tax nor an inheritance tax for 2026. The state repealed its estate tax effective for deaths on or after January 1, 2013, and has no inheritance tax, so there is no state exemption threshold to plan around. The federal estate tax still applies separately. (Source: Tax Foundation, 2026; NCDOR.)

When is the best age to do a Roth conversion before RMDs?

Federally, required minimum distributions begin at age 73 (75 if born in 1960 or later), so the retirement-to-RMD window can be a lower-income planning period. Because North Carolina is flat at 3.99%, the state rate does not change with income; the window’s value is on the federal side. Individual timing depends on your full picture. (Source: federal RMD rules; NCDOR, 2026.)

Sources

• North Carolina Department of Revenue (NCDOR), Tax Rate Schedules (2026 flat rate 3.99%), ncdor.gov/taxes-forms/individual-income-tax/tax-rate-schedules.
• NCDOR, Individual Income Tax filing topics, Form D-400 and instructions (2026).
• NCDOR, “Bailey Decision Concerning Federal, State and Local Retirement Benefits” (2026).
• NCDOR, Social Security benefits deduction guidance (2026); N.C. Gen. Stat. Section 105-153.5(b), military retirement deduction.
• Tax Foundation, North Carolina state tax profile, taxfoundation.org/location/north-carolina/ (2026).
• Federal: 4 U.S.C. Section 114 (nonresident retirement-income sourcing); IRS RMD and Roth conversion rules (2026).