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Home→Tools→Step-Up Basis Calculator→Connecticut

How Does Step-Up in Basis Work in Connecticut?

Estimate the new cost basis on inherited assets in Connecticut under IRC § 1014, project federal and state capital gains tax if you sell, and see how much the step-up at death saves in taxes.

Frequently Asked Questions

At death, the IRS resets the cost basis of most inherited assets to fair market value (IRC § 1014)26 USC § 1014Verified May 4, 2026. Pre-death appreciation is never taxed; only post-death appreciation can trigger capital gains when the heir later sells. Because § 1014 is federal law, residents of Connecticut receive the same step-up as residents of any other state.

Connecticut taxes long-term capital gains at the same rates as ordinary incomeConn. Gen. Stat. § 12-700(a)(10) (2024+ graduated rate schedule); § 12-701(a)(20) (subtractions); § 12-700a (AMT coupled to federal AMT)Verified May 4, 2026. There is no preferential capital gains rate. The gain is added to other taxable income and taxed at the standard state income tax rates. The step-up is still valuable: it reduces the gain on which both federal and state tax are calculated. Connecticut's top marginal income tax rate is 6.99%.

For tax purposes, inheriting assets is usually better than receiving them as a lifetime gift. Inherited property gets a step-up in basis to fair market value at death under IRC § 101426 USC § 1014Verified May 4, 2026; gifted property carries the donor's original basis under IRC § 101526 USC § 1015(a)Verified May 4, 2026. If the donor bought stock at $10,000 that's now worth $200,000, a recipient who sells after a gift owes capital gains tax on the full $190,000 of appreciation. The same recipient inheriting the same stock owes tax only on appreciation after the date of death. A revocable living trust preserves the step-up — assets held in the trust during life still receive the basis adjustment at death.

Inherited assets always qualify for long-term capital gains treatment, even if the heir sells immediately. The rule is set by IRC § 1223(9)26 USC § 1223(9)Verified May 4, 2026, which deems the holding period long-term as soon as the property passes by inheritance. Federal long-term rates of 0%, 15%, or 20% (IRC § 1(h))IRC § 1(h); IRS Topic No. 409Verified May 4, 2026 apply, plus any state-level tax.

Establishing the new basis means pinning down each asset's fair market value on the date of death (IRS Pub. 551)IRS Pub. 551 (Basis of Assets); Form 8971 / Schedule AVerified May 4, 2026. Securities use the high-low average for that day; real estate uses a qualified appraisal as of that date; private business interests need a formal independent appraisal (and one is required if a Form 706 is filed). Keep the documentation — when the heir sells, those numbers go straight to Schedule D as the cost basis.

IRC § 2032§ 1014(a)(2); § 2032Verified May 4, 2026lets the executor of an estate elect to value assets six months after the date of death instead of on the date of death. The election applies to the entire estate (not asset-by-asset) and only if it both decreases the gross estate AND the federal estate tax. When AVD is elected, the beneficiary's basis is the AVD value, not the date-of-death value. AVD only matters for estates large enough to file a federal estate tax return — currently estates over $15 million per individual.

The one-year rule (IRC § 1014(e))§ 1014(e)Verified May 4, 2026prevents a deathbed-gift loophole: appreciated property gifted to a dying person and inherited back by the original donor (or the donor's spouse) within twelve months does not get a stepped-up basis. The basis carries over from the decedent's pre-death adjusted basis. The rule does not apply to other beneficiaries — only when the property loops back to the donor side.

Step-Up in Basis in Connecticut

Step-up in basis is a federal rule (IRC § 1014) that applies to inherited assets in every state, including Connecticut. When someone dies, the cost basis of property they leave to heirs resets to fair market value on the date of death. If the heir later sells, capital gains tax is calculated against this stepped-up basis instead of what the original owner paid. For appreciated assets held for years or decades, the step-up can eliminate most or all of the gain.

Connecticut taxes long-term capital gains as ordinary income — there is no preferential capital gains rate. Any gain remaining after the step-up is added to your Connecticut taxable income and taxed at the standard income tax rates. The step-up is still valuable here: it reduces the gain on which both federal and state tax are calculated.

For Connecticut families, the step-up in basis is one of the strongest tax reasons to inherit appreciated property rather than receive it as a gift during life. A Connecticut revocable living trust preserves the step-up — assets held in the trust during life still receive the basis adjustment at death — while avoiding the probate process that a will alone triggers.

Connecticut Estate Planning Resources

In-depth guides covering Connecticut probate laws, trust requirements, and estate planning strategies.

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