Imagine spending decades building a successful life in Connecticut. You buy a home, grow your investments, build a business, and plan to leave a meaningful legacy for your children. Then, after you pass, your family discovers that a significant portion of what you built is owed to the state in estate tax. Unfortunately, this scenario plays out for many Connecticut families every year, often because they didn’t realize they were exposed.
The good news is that with proper planning, much of this tax burden can be legally reduced or even eliminated. This guide breaks down exactly who pays the Connecticut estate tax, how much it is in 2026, and the proven strategies estate planning attorneys use to protect what you’ve built.
What Is the Connecticut Estate Tax
The Connecticut estate tax is a state-level tax imposed on the transfer of a person’s assets at the time of their death. It applies before any inheritance is distributed to your beneficiaries. Connecticut is one of only twelve states that still imposes its own estate tax, which makes local planning especially important if you live or own property here.
How Estate Tax Differs From Inheritance Tax
These two terms are often confused, but they are very different. The Connecticut estate tax is paid by the estate itself before assets are distributed to heirs. An inheritance tax, by contrast, is paid by the people receiving the inheritance. Connecticut does not have an inheritance tax — only an estate tax. This distinction matters because it changes who is legally responsible for paying.
Why Connecticut Has Its Own Estate Tax
Most states have eliminated their state-level estate taxes, but Connecticut has chosen to keep its own. This generates revenue for the state and creates a separate planning layer on top of the federal estate tax. Because of this, Connecticut residents need a strategy designed specifically for state law — generic federal-level planning is not enough. [INTERNAL LINK: Estate Planning]
Who Administers and Collects Estate Tax in Connecticut
The Connecticut Department of Revenue Services (DRS) is the agency responsible for administering and collecting the estate tax. The estate’s executor must file Form CT-706/709 to report and pay any tax due. The form is required even in some cases where no tax is owed, particularly when QTIP elections or gift reporting is involved. [SOURCE: Connecticut Department of Revenue Services]
The 2026 Connecticut Estate Tax Exemption
Understanding the 2026 exemption threshold is the foundation of any estate plan. This number determines how much of your estate can pass to your loved ones tax-free.
Current Exemption Threshold
For 2026, the Connecticut estate tax exemption is $15 million per individual. This means that if your taxable estate is valued below $15 million, you owe no Connecticut estate tax. Estates valued above $15 million pay tax only on the portion that exceeds the exemption — not on the entire estate.
How the Exemption Has Changed Over Time
Connecticut’s exemption has increased dramatically over the past decade. As recently as 2017, the exemption was just $2 million. It rose gradually each year, reaching $13.99 million in 2025, and now $15 million in 2026. Because exemption amounts continue to shift with inflation and legislation, your estate plan needs regular review to stay current.
Connecticut Estate Tax Exemption vs Federal Exemption
For 2026, both the Connecticut and the federal estate tax exemptions are aligned at $15 million per person. However, the two systems work very differently behind the scenes — particularly in how married couples can use their exemptions, which we’ll explore below.
Connecticut Estate Tax Rates
Once an estate exceeds the $15 million exemption, the next question is how much tax is actually owed.
The Flat Tax Rate Structure
Connecticut applies a flat 12% tax rate on the portion of an estate that exceeds the exemption amount. This replaced an older progressive rate system and now provides a predictable structure. Importantly, this 12% only applies to the excess above the exemption — not the entire estate.
Connecticut Does NOT Have a Cliff Effect
A common misconception is that Connecticut has an “estate tax cliff” that taxes the entire estate if it goes even one dollar over the exemption. This is not true. That rule applies in New York, not Connecticut. In Connecticut, only the dollars above $15 million are taxed at 12%.
The $15 Million Total Tax Cap
Connecticut also caps total estate and gift tax liability at $15 million combined. No matter how large the estate, the state cannot collect more than $15 million in total estate and gift tax from any one person’s lifetime transfers.
Sample Calculations for Different Estate Sizes
Here are realistic examples for 2026:
| Estate Value | Amount Above $15M Exemption | Connecticut Estate Tax |
|---|---|---|
| $10 million | $0 | $0 |
| $15 million | $0 | $0 |
| $17 million | $2 million | $240,000 |
| $25 million | $10 million | $1.2 million |
| $50 million | $35 million | $4.2 million |
These numbers show why estates near or above the $15 million threshold benefit most from proactive planning.
Who Actually Pays the Connecticut Estate Tax
Understanding who is subject to the tax helps you determine whether your family needs a plan.
Connecticut Residents at Death
If you are a Connecticut resident at the time of your death, the state taxes your entire worldwide estate — including assets located outside Connecticut. Residents do, however, receive a credit for real or tangible personal property located outside the state.
Non-Residents Who Own Property in Connecticut
If you live elsewhere but own real estate or tangible personal property in Connecticut, that property may still be subject to Connecticut estate tax. This frequently affects out-of-state owners of vacation homes along the Connecticut shoreline.
Married Couples and the No-Portability Rule
This is one of the most important and most misunderstood points in Connecticut estate planning: Connecticut does NOT allow portability between spouses. At the federal level, a surviving spouse can use their deceased spouse’s unused exemption — but in Connecticut, if a spouse dies without using their $15 million exemption, that exemption is permanently lost.
This is why Credit Shelter Trusts and similar planning tools are so important for married Connecticut couples. Without them, you could lose access to $15 million of state-level exemption. [INTERNAL LINK: Trusts]
What Counts as Part of Your Taxable Estate
Your taxable estate includes virtually everything you own at death — real estate, investment accounts, retirement accounts, life insurance proceeds, business interests, and valuable personal property. Many people are surprised by what counts, which is why a full inventory is the first step in any solid plan.
What Assets Are Included in Your Connecticut Taxable Estate
Real Estate
This includes your primary home, vacation properties, and any rental real estate. For Connecticut residents, real estate is included regardless of location. For non-residents, only Connecticut-based real property is taxed.
Investment Accounts and Brokerage Holdings
All stocks, bonds, mutual funds, ETFs, and other securities held in your name are included at their fair market value on the date of death.
Retirement Accounts
IRAs, 401(k)s, 403(b)s, and other qualified retirement accounts are included in your taxable estate. While these accounts pass directly to beneficiaries through designation forms, their value still counts toward the estate tax calculation.
Life Insurance Proceeds
This is a major surprise for many families: if you own your life insurance policy in your own name, the death benefit is included in your taxable estate. A $5 million life insurance payout could push an otherwise tax-free estate over the exemption threshold. The fix is to use an Irrevocable Life Insurance Trust, discussed below.
Business Interests and LLC Ownership
Your ownership stake in any LLC, corporation, partnership, or sole proprietorship is included at fair market value. Closely held business interests are often the largest asset in an estate — and the hardest to value. [INTERNAL LINK: Business Planning]
Personal Property, Collectibles, and Digital Assets
Cars, jewelry, art, collectibles, cryptocurrency, NFTs, and other digital assets all count. Digital assets are an increasingly important category that many older estate plans fail to address.
Federal Estate Tax vs Connecticut Estate Tax
Although the 2026 exemptions are the same, the two systems treat estates very differently.
Side-By-Side Comparison
| Feature | Federal Estate Tax | Connecticut Estate Tax |
|---|---|---|
| 2026 Exemption | $15 million per person | $15 million per person |
| Tax Rate | Up to 40% (progressive) | Flat 12% |
| Spousal Portability | Yes — surviving spouse can use unused exemption | No portability |
| Total Tax Cap | None | $15 million combined estate and gift tax |
| Gift Tax | Yes | Yes (the only state with one) |
| Filing Form | Form 706 | Form CT-706/709 |
Why You May Owe State Tax but Not Federal Tax
Because Connecticut does not allow portability, married couples without proper planning can owe Connecticut estate tax even when their estate is below the federal threshold. This is a common scenario for couples in the $15 million to $30 million net worth range.
What About the Federal “Sunset”?
You may have read that the federal exemption was scheduled to drop to roughly $7 million in 2026. That sunset has been canceled. The One Big Beautiful Bill Act, signed into law on July 4, 2025, permanently raised the federal exemption to $15 million per individual, indexed for inflation. Future Congresses could change this, but as of now, the $15 million federal exemption is permanent. [SOURCE: Internal Revenue Service]
Connecticut’s Unique Gift Tax
Connecticut has a feature no other state has: its own state-level gift tax. The Connecticut gift tax shares the same $15 million lifetime exemption as the estate tax, and the annual gift exclusion for 2026 is $19,000 per recipient.
This means lifetime gifts above $19,000 per recipient per year reduce your available estate tax exemption at death. Properly structured gifting remains one of the most effective ways to shrink your taxable estate, but it must be coordinated carefully because of Connecticut’s gift tax rules.
7 Proven Strategies to Reduce Your Connecticut Estate Tax
These are the strategies Connecticut estate planning attorneys use most often to legally reduce or eliminate state estate tax exposure.
1. Use the Annual Gift Tax Exclusion
You can gift up to $19,000 per recipient per year in 2026 without using any of your $15 million lifetime exemption. A married couple can gift $38,000 per recipient. Over time, consistent annual gifting can move millions of dollars out of your taxable estate.
2. Use the Lifetime Gift Tax Exemption
Larger gifts that exceed the annual exclusion can still be made tax-free using your $15 million lifetime exemption. Strategic use of lifetime gifts removes future appreciation from your estate as well, which compounds the tax savings over time.
3. Set Up an Irrevocable Life Insurance Trust (ILIT)
An ILIT owns your life insurance policy instead of you owning it personally. When properly structured, the death benefit passes outside your taxable estate entirely, potentially saving 12% of a multi-million-dollar payout. [INTERNAL LINK: Irrevocable Trusts]
4. Establish a Credit Shelter Trust for Married Couples
Because Connecticut does not allow portability, a Credit Shelter Trust is one of the most powerful tools available to married Connecticut couples. This trust captures the first spouse’s $15 million exemption that would otherwise be lost, effectively doubling the family’s available exemption to $30 million.
5. Consider a Qualified Personal Residence Trust (QPRT)
A QPRT lets you transfer your home to your heirs at a discounted gift tax value while continuing to live there for a set number of years. This is especially useful for high-value Connecticut real estate.
6. Use Charitable Trusts and Charitable Giving
Charitable Remainder Trusts and Charitable Lead Trusts let you support causes you care about while reducing your taxable estate. Direct charitable bequests are also fully deductible from the estate.
7. Move Assets Into a Domestic Asset Protection Trust
A Domestic Asset Protection Trust can remove assets from your taxable estate while also protecting them from creditors. Connecticut law allows for these structures when properly designed by an experienced attorney. [INTERNAL LINK: Domestic Asset Protection Trusts]
Common Mistakes That Increase Estate Tax Exposure
Failing to Update Your Estate Plan
Tax laws change frequently. The 2026 increase to $15 million is just the latest example. An outdated plan built around old exemption figures may no longer match your goals or current law.
Owning Life Insurance in Your Own Name
Life insurance is income-tax-free, but it is not estate-tax-free if you own the policy. This single oversight has cost Connecticut families millions of dollars in unnecessary taxes.
Ignoring the No-Portability Rule
Many couples assume Connecticut works like the federal system. It does not. Without proactive planning, such as a Credit Shelter Trust, you can permanently lose $15 million of state exemption.
Holding Assets Jointly Without Strategy
Joint ownership often seems convenient, but it can complicate estate tax planning, override your will, and limit your ability to use exemption-saving strategies effectively.
Waiting Too Long to Begin Gifting
The annual gift exclusion is a “use it or lose it” benefit each year. Starting early — and gifting consistently — multiplies the impact dramatically over time.
When Should You Start Estate Tax Planning in Connecticut
Triggers That Should Prompt a Review
You should review or begin estate tax planning when any of the following occur:
- Your net worth approaches or exceeds $10 million
- You marry, divorce, or are widowed
- You receive a substantial inheritance
- You sell a business or experience a liquidity event
- You purchase additional real estate
- A major change to federal or state tax law occurs
Why Starting Earlier Saves More
Many estate tax-saving strategies — especially gifting and trust funding — work best over many years. Starting early gives compounding the time to do its work, removing future appreciation from your taxable estate.
How Often Should You Review Your Plan
We recommend reviewing your estate plan every three to five years, or immediately after any major life or law change. This ensures your plan continues to align with both your goals and current Connecticut law.
How a Connecticut Estate Planning Attorney Can Help You Reduce Taxes
Personalized Strategy vs DIY Tools
Online templates do not understand Connecticut’s no-portability rule, the state gift tax, or the $15 million tax cap. A qualified attorney builds these nuances directly into your plan.
Coordinating With Your CPA and Financial Advisor
The best estate plans involve teamwork. Your attorney works alongside your CPA and financial advisor so your tax planning, investment strategy, and estate plan all work together.
What to Look for in a Connecticut Estate Tax Attorney
Look for an attorney with deep experience in Connecticut-specific estate tax law, a clear and warm communication style, and a track record of helping families like yours. Legacy Law Partners, PLLC, based in North Haven, Connecticut, focuses exclusively on these areas. [INTERNAL LINK: About Us]
Frequently Asked Questions About Connecticut Estate Tax
Does Connecticut Have an Inheritance Tax?
No. Connecticut has an estate tax, paid by the estate before distribution. There is no separate inheritance tax paid by beneficiaries.
Do I Owe Estate Tax If I Move Out of Connecticut?
If you change your domicile to another state and properly establish residency there, your worldwide estate is no longer subject to Connecticut estate tax. However, any real or tangible property you still own in Connecticut remains subject to the state’s estate tax.
Are Life Insurance Payouts Subject to Connecticut Estate Tax?
Yes, if you own the policy at the time of your death. To avoid this, the policy can be owned by an Irrevocable Life Insurance Trust (ILIT).
Can I Avoid Estate Tax Just by Putting Assets in a Trust?
Not always. Revocable trusts do not remove assets from your taxable estate because you retain control. Only properly drafted irrevocable trusts can remove assets from your taxable estate.
What Happens If My Estate Owes Tax but Has No Cash?
The executor may be forced to sell assets — including the family home — to pay the tax. Connecticut estate tax is generally due within six months of death. Liquidity planning, such as funding an ILIT, prevents this.
When Is the Connecticut Estate Tax Return Due?
The CT-706/709 must be filed within six months of the date of death, with a possible six-month extension available.
Are Gifts Made Before Death Counted Toward My Estate?
Yes. Connecticut tracks lifetime taxable gifts and adds them back when calculating estate tax exposure. This is why Connecticut’s gift tax — the only one in the country — matters so much.
Take Control of Your Connecticut Estate Tax Plan Today
The Connecticut estate tax can feel overwhelming, but you have real, legal tools to reduce or even eliminate your family’s exposure. With the 2026 exemption at $15 million, the rules around portability, gift tax, and trust planning have never been more important to get right.
At Legacy Law Partners, PLLC, located in North Haven, Connecticut, our team — led by Managing Partner Amanda Gilbert-Largent — specializes in personalized, family-focused estate planning. We help Connecticut families build plans that protect their wealth, honor their wishes, and provide lasting peace of mind.
