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The Complete Guide to Estate Taxes: Federal vs. State Rules After the OBBBA

How the 2025 OBBBA transformed estate tax planning -- understanding federal exemptions, state tax strategies, and family wealth protection.

The Complete Guide to Estate Taxes: Federal vs. State Rules After the OBBBA
Table of Contents
  1. Understanding Estate Tax Fundamentals
  2. Why State Estate Taxes Now Take Center Stage
  3. Real-World Impact: How the OBBBA Affects Families Today
  4. Strategic Solutions for the Post-OBBBA Environment
  5. When to Start Planning in the Post-OBBBA Era
  6. Building Your Professional Team
  7. What This Means for Different Types of Families
  8. The 3 Broader Lessons from the OBBBA
  9. Frequently Asked Questions
  10. Sources

Imagine spending 30 years building a comfortable retirement nest egg, paying off your mortgage, and carefully investing in your 401(k). You’ve done everything right financially. Yet when you pass away, your family discovers that a significant portion of your life’s work could disappear to taxes before they see a penny.

Major federal tax law changes in 2025 kept the federal estate tax out of reach for almost every American family — but estate taxes remain a concern that extends far beyond the ultra-wealthy. The key point: the estate taxes most middle-class families can actually face are state-level taxes, which start at much lower amounts and can still claim substantial portions of family wealth.

Understanding Estate Tax Fundamentals

Estate Tax vs. Inheritance Tax: The Key Distinction

Tax TypeWho PaysWho Imposes It
Estate taxThe estate itself, before assets are distributedFederal government + 12 states and the District of Columbia
Inheritance taxThe individuals who receive the assets5 states (Maryland has both)

Estate tax is essentially the government’s final claim on your accumulated wealth — a “privilege tax” for passing wealth to the next generation.

The Federal Estate Tax Framework

The federal estate tax adds up everything you own at death. If the total exceeds the unified credit exemption, the excess gets taxed at rates up to 40%.

Key federal exemption milestones:

PeriodPer PersonMarried Couple (Combined)
2025 (pre-OBBBA)$13.99 million$27.98 million
2026+ (OBBBA permanent)$15 million$30 million

The OBBBA increase is permanent and indexed for inflation — eliminating federal estate tax concerns for the vast majority of American families. This fundamentally shifts estate tax planning toward state-level considerations.

Why State Estate Taxes Now Take Center Stage

The OBBBA removed federal estate taxes from most families’ planning equations — but it doesn’t control state estate taxes, which follow their own exemptions and rates. Most state exemptions sit far below the federal $15 million, creating planning opportunities and challenges that federal law alone doesn’t.

State-by-State Estate Tax Comparison (2026)

State2026 exemptionTop rateHow it worksTax on a $2M estate
Oregon$1,000,00016%Progressive; tax starts at 10% above $1M~$101,250
Rhode Island$1,838,05616%Progressive; exemption indexed each year~$11,660
Massachusetts$2,000,00016%Progressive with a $99,600 credit; no “cliff” since 2023$0
Washington$3,000,000 ($3,076,000 for deaths Jan-Jun 2026)20% (35% for deaths Jan-Jun 2026)Progressive; new rates for deaths from July 1, 2026$0
Minnesota$3,000,00016%Progressive; adds back gifts made within 3 years of death$0
Illinois$4,000,00016%Not indexed; the tax is calculated on itself, raising the effective rate$0
District of Columbia$4,988,40016%Indexed each year$0
Maryland$5,000,00016%Also has a 10% inheritance tax$0
Vermont$5,000,00016%Flat 16% above the exemption$0
Hawaii$5,490,00020%Progressive$0
Maine$7,160,00012%Progressive; indexed each year$0
New York$7,350,00016%“Cliff”: the whole estate is taxed above 105% of the exemption ($7,717,500)$0
Connecticut$15,000,00012%Flat; matches the federal exemption$0
34 no-tax states (incl. California, Florida, Texas, Virginia, Nevada)No estate tax——$0

Figures are for deaths in 2026, from each state’s revenue department or statute (see Sources). Tax estimates assume the whole estate is taxable in that state, with no deductions.

Inheritance taxes (paid by heirs): Kentucky, Maryland, Nebraska, New Jersey, and Pennsylvania. Spouses are exempt in all five. Children and grandchildren are exempt in Kentucky, Maryland, and New Jersey, pay 1% above $100,000 in Nebraska, and pay 4.5% in Pennsylvania. Iowa repealed its inheritance tax for deaths on or after January 1, 2025.

Key patterns from this table:

  • Exemptions range from Oregon’s $1 million to Connecticut’s $15 million
  • 34 states (including California, Texas, and Florida) impose no estate or inheritance taxes at all
  • Identical $3 million families in different states can face tax bills ranging from $0 to about $205,000

The Estate Tax “Cliff”: Gone in Massachusetts, Still Real in New York

How most states work (progressive): Only the amount above the exemption gets taxed, so tax rises gradually.

Massachusetts used to have a cliff. Before 2023, an estate just over $1 million could owe tax on its entire value. For deaths on or after January 1, 2023, Massachusetts raised the threshold to $2 million and replaced the cliff with a $99,600 credit, so estates of $2 million or less owe nothing and tax rises gradually above that:

Estate ValueMassachusetts Tax (2026)
$2,000,000$0
$2,500,000~$39,200
$3,000,000~$82,400

New York still has a cliff. Once a New York taxable estate exceeds 105% of the exemption ($7,717,500 in 2026), the credit disappears and the entire estate is taxed — roughly $735,000 on an estate just over that line, versus $0 at $7,350,000. Families near the New York threshold may genuinely benefit from reducing their estate below it, for example through lifetime gifts or charitable bequests.

Real-World Impact: How the OBBBA Affects Families Today

Scenario 1: The Oregon Family

The Johnson Family — retired teachers, Oregon residents:

AssetValue
Home (purchased for $180,000 in 1995)$650,000
Combined retirement accounts$580,000
Life insurance$200,000
Other investments$170,000
Total estate$1,600,000

Tax analysis under current law:

Tax LevelCalculationAmount Owed
Federal$1.6M far below $30M combined exemption$0
Oregon stateOregon’s table: $50,000 on the first $1,500,000, plus 10.25% of the $100,000 above it (tax starts above the $1M exemption)~$60,250
Total estate tax~$60,250

Their entire tax burden is a state tax issue — even the pre-OBBBA federal exemption was far above their $1.6 million estate — which makes the planning strategy clearer and more targeted.

Scenario 2: The Seattle Technology Family

Combined estate: $4.2 million

AssetValue
Primary residence (Seattle)$1,800,000
Retirement accounts$1,200,000
Stock options and investments$900,000
Business interests$300,000
Total$4,200,000

Tax analysis:

Tax LevelCalculationAmount Owed
Federal$4.2M below $30M combined exemption$0
Washington state$4,200,000 - $3,000,000 exclusion = $1,200,000 taxable: $100,000 + 14% of the $200,000 above $1M (deaths from July 1, 2026)~$128,000

For a death between January 1 and June 30, 2026, Washington’s exclusion was $3,076,000 with a different rate table: about $118,600.

This family’s $1.8M home may have been purchased for $400,000 20 years ago. Real estate appreciation in high-cost markets routinely pushes middle-class families into state estate tax territory — without their lifestyle ever feeling “wealthy.”

The Geographic Arbitrage Reality: Same $3M Family, Different States

StateEstate Tax OwedWhy
Oregon~$205,000Low $1M exemption, progressive rates
Rhode Island~$94,060$1.84M exemption, progressive rates
Massachusetts~$82,400$2M threshold with a credit; no cliff since 2023
Washington$0$3M exclusion covers this estate
New York$0$7.35M exemption protects this estate
Connecticut$0$15M exemption, matching federal
Florida / Texas / Nevada$0No state estate tax

The range from $0 to about $205,000 results entirely from state tax policy — not from any difference in the family’s wealth or behavior.

Strategic Solutions for the Post-OBBBA Environment

Estate tax planning has 3 core approaches: avoid the tax through geographic planning, reduce the tax through wealth transfer, or plan for the tax through liquidity management.

Strategy 1: Geographic Optimization

Moving to a no-tax state has become the most straightforward and often most valuable estate tax strategy since the OBBBA removed federal considerations for most families.

The 34 states with no estate or inheritance taxes (2026):

Alabama, Alaska, Arizona, Arkansas, California, Colorado, Delaware, Florida, Georgia, Idaho, Indiana, Iowa, Kansas, Louisiana, Michigan, Mississippi, Missouri, Montana, Nevada, New Hampshire, New Mexico, North Carolina, North Dakota, Ohio, Oklahoma, South Carolina, South Dakota, Tennessee, Texas, Utah, Virginia, West Virginia, Wisconsin, and Wyoming.

The 183-Day Rule — how domicile is established:

Spending 183 or more days per year in a state generally establishes tax residency. But high-tax states have become aggressive in challenging former residents — especially when substantial estate tax savings are involved. Day-counting is just the beginning.

What tax authorities actually examine:

Evidence CategoryExamples
DocumentationVoter registration, driver’s license, professional licenses
Financial connectionsBank accounts, investment accounts, insurance policies
Medical and social tiesPrimary care physician, club memberships, religious affiliation
Physical presenceTravel logs, credit card receipts, utility bills
PropertyWhether homestead exemption is claimed in former state

3-step domicile establishment process:

Step 1: Document your new residency pattern

  • Keep a detailed daily travel log
  • Save credit card statements and receipts confirming your location
  • Maintain phone records and utility bills

Step 2: Change everything systematically

  • Driver’s license, voter registration, bank and investment accounts
  • Insurance policies (auto, homeowners, health)
  • Will and estate planning documents reflecting new domicile
  • Partial changes undermine your residency claim

Step 3: Sever old ties completely

  • Remove homestead exemptions from former state property
  • Transfer professional licenses and memberships
  • Update all mailing addresses, subscriptions, and affiliations
  • The goal: no evidence that your primary life connections remain in the former high-tax state

Strategy 2: Systematic Wealth Transfer Through Gifting

Assets you no longer own cannot be taxed in your estate. Gifting reduces estate value while allowing you to see beneficiaries benefit during your lifetime.

Annual exclusion gifting (2026 amounts):

GiverPer Recipient Per YearGift tax return (Form 709) needed?
Individual$19,000No
Married couple (combined)$38,000No, if each spouse gives from their own (or jointly owned) funds. To split a gift paid by one spouse, both spouses file Form 709 — no tax is due

Important: gift recipients owe no income tax on money received. Gifts are not taxable income to the recipient. Gifts within annual exclusion limits also don’t reduce your $15 million lifetime federal exemption — they’re completely separate.

The Johnson family example — eliminating Oregon estate tax through gifting:

The Johnsons face ~$60,250 in Oregon estate tax on their $1.6M estate. With 2 children and 4 grandchildren (6 recipients):

YearAnnual Gifts (6 recipients x $38,000)Cumulative Reduction
Year 1$228,000$228,000
Year 2$228,000$456,000
Year 3$228,000$684,000
Year 4$228,000$912,000
Year 5$228,000$1,140,000

After 5 years, $1,140,000 has been removed from the estate — likely eliminating their Oregon exposure entirely. No gift tax is due and there’s no impact on lifetime exemptions. No gift tax returns are required if each spouse gives from their own or jointly owned funds; if one spouse funds the gifts and they elect to split them, both file Form 709.

529 Plan front-loading:

529 education savings plans allow “superfunding” — contributing up to 5 years of annual exclusions in a single year:

GiverSingle-Year Superfund Amount Per Beneficiary
Individual$95,000 (2026)
Married couple$190,000 (2026)

This creates significant immediate estate reduction for families with multiple children or grandchildren. Spreading the gift over 5 years is an election you make on Form 709, so a gift tax return is required even though no tax is due.

Strategy 3: Advanced Trust Strategies for Substantial Wealth

For families whose estate exceeds what systematic gifting can address, trust structures separate legal ownership from beneficial enjoyment — removing assets from the estate while maintaining some connection to transferred wealth.

Grantor Retained Annuity Trusts (GRATs):

You transfer assets to a trust that pays you a fixed annuity for a specified term. If the assets appreciate beyond the annuity rate, that excess appreciation passes to beneficiaries without additional transfer taxes. GRATs work best for assets expected to appreciate significantly — business interests, growth investments, or concentrated stock positions.

Intentionally Defective Grantor Trusts (IDGTs):

You sell assets to a trust in exchange for a promissory note. You pay income taxes on the trust’s earnings (which reduces your estate), while the trust assets grow for beneficiaries without additional transfer tax consequences. The income tax payments function as additional tax-free gifts to the trust, compounding the benefit over time.

Both strategies require professional implementation. The concepts illustrate a key principle: sophisticated estate planning coordinates income and transfer tax systems simultaneously to create compounding benefits.

When to Start Planning in the Post-OBBBA Era

The OBBBA replaced artificial legislative deadlines with natural planning milestones. Think of estate planning as a lifecycle process, not a series of urgent responses to expiring laws.

Life StageAge RangePrimary Planning Focus
Early career30s to 40sBasic estate documents, understand your state’s rules, begin annual exclusion gifting if you have children
Mid-career40s to 50sSystematic gifting programs, geographic planning if exposure is likely, consider advanced structures as wealth accelerates
Pre-retirement60sAggressive wealth transfer strategies while income is still high, model retirement withdrawal scenarios, coordinate with estate plan
Post-retirement70s+Dynamic withdrawal sequencing, legacy planning execution, coordinate Roth accounts and life insurance death benefits

Natural planning milestones (post-OBBBA):

  • Reaching your state’s estate tax threshold
  • Significant asset appreciation events (real estate, business sale, stock options)
  • Receiving an inheritance that increases your estate
  • Major life changes — retirement, health concerns, family structure changes

Building Your Professional Team

Effective estate planning requires coordination across 4 types of professionals:

ProfessionalPrimary Role
Estate planning attorneyLegal structure design — trusts, wills, beneficiary coordination
Tax professional (CPA / EA)Scenario modeling, gift tax compliance, income tax integration
Financial advisorIntegration with retirement and investment planning, liquidity analysis
Insurance specialistLiquidity planning for estate taxes, wealth transfer enhancement through life insurance

In the post-OBBBA environment, geographic planning makes professional coordination particularly important — residency changes involve legal, tax, and practical considerations that extend well beyond estate taxes.

What This Means for Different Types of Families

Family TypeOBBBA ImpactPlanning Priority
Middle-class, no-tax stateEstate taxes essentially eliminatedFocus on retirement funding, basic estate docs
Middle-class, high-tax state (OR, WA, MA)Clearer decision framework — purely state optimizationGeographic planning, systematic gifting, or liquidity planning
High-net-worth (any state)Certainty and higher exemptions enable longer-term horizonsSophisticated trust strategies over extended timeframes without artificial deadlines

The 3 Broader Lessons from the OBBBA

Uncertainty creates more planning pressure than actual tax burdens. Many families implemented expensive strategies to address federal exemption reductions that ultimately didn’t materialize. Planning against worst-case legislative outcomes has real costs.

Federal and state tax policies diverge — and that gap is now huge. The distance between a $30M federal exemption and Oregon’s $1M exemption has never been wider. Geographic planning has never been more valuable for families in high-tax states.

Permanent policy enables better planning than temporary provisions. Families can now implement strategies over natural timeframes — aligned with their life circumstances rather than artificial legislative deadlines.

Estimate your own exposure with our estate tax calculator or projected estate value calculator.

Frequently Asked Questions

Do I need to worry about estate taxes if my estate is under $1 million?

It depends entirely on your state. Oregon’s $1 million exemption means even a modest estate (a paid-off home plus retirement accounts) can trigger state estate tax, while residents of the 34 no-tax states have no exposure at any estate size. Check your specific state’s threshold rather than assuming federal-level exemptions protect you.

If I move to a no-tax state right before I die, does that eliminate the tax?

Only if you’ve genuinely established domicile there — true residency, not just a mailing address. High-tax states aggressively challenge late-in-life moves, examining the same evidence categories covered in the “183-Day Rule” section above (financial connections, medical ties, physical presence). A move made shortly before death with minimal supporting documentation is exactly the pattern auditors look for.

Does life insurance count toward my taxable estate?

Yes, if you own the policy yourself — the death benefit is included in your estate for estate tax purposes even though it generally passes income-tax-free to beneficiaries. An Irrevocable Life Insurance Trust (ILIT) can remove the death benefit from your estate, which is why insurance specialists are part of the professional team recommended above.

Can I gift my house to my kids now to avoid estate tax later?

You can, but it usually isn’t the most tax-efficient move — gifting an appreciated asset during your lifetime passes your original (lower) cost basis to your heirs, while assets held until death get a “step-up” in basis to fair market value, eliminating capital gains tax on the appreciation. For most families, keeping appreciated real estate until death and using cash gifting or trusts for other assets is more tax-efficient.

What’s the difference between estate tax and probate?

They’re unrelated processes. Probate is the court process of validating a will and distributing assets, and can be avoided with proper trust planning regardless of estate size. Estate tax is a tax liability triggered by the value of what you own at death, independent of whether your assets go through probate.

Sources

Federal:

States (figures for deaths in 2026):


This article is for educational and informational purposes only and should not be construed as legal, tax, or financial advice. Estate tax laws are complex and vary significantly by state and individual circumstances. The examples used throughout are hypothetical and for illustrative purposes only. Before implementing any estate planning strategies, consult with qualified professionals — including estate planning attorneys, tax advisors, and financial planners — who can provide advice tailored to your specific situation.

Prashanth Srikanthan, EA

About Prashanth Srikanthan, EA

Prashanth Srikanthan, EA, is an IRS Enrolled Agent and founder of Worth Shield Financial Services, based in Ashburn, Virginia. He helps individuals and business owners with tax planning, retirement strategies, and financial advisory services.

#estate planning#estate tax#OBBBA#gift tax#wealth transfer#state taxes

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