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Gossip Riot

Does California have step up basis?

Author

Emma Valentine

Published Feb 12, 2026

This is called a step-up in cost basis, and it is rendered upon transfer of the asset which usually occurs upon the death of the decedent. For example, for married couples in the state of California; the step-up in cost basis occurs at your spouse’s death.

Do assets owned by a trust get a step up basis at death?

While the assets are removed from the estate for estate tax purposes, the grantor continues to be liable for the trust’s income taxes. The trust assets will carry over the grantor’s adjusted basis, rather than get a step-up at death.

Do inherited IRAs get a step up in basis?

IRAs do not receive a step-up in basis at death. The beneficiary of the IRA inherits the owner’s basis without any basis adjustment.

Can you have a step down in basis?

A “step-down,” instead of a “step-up,” occurs if a decedent dies owning property that has declined in value. In that case the basis is lowered to the date-of-death value. Proper planning calls for seeking to avoid this loss of basis.

Do joint assets get a step-up in basis?

Assets owned jointly by Husband and Wife in all common law states are deemed Qualified Joint Interests and only one-half of the assets receive a basis adjustment on the first spouse’s death (regardless of which spouse contributed the original property to the joint account).

How do I calculate cost basis per share?

You can calculate your cost basis per share in two ways: Take the original investment amount ($10,000) and divide it by the new number of shares you hold (2,000 shares) to arrive at the new per share cost basis ($10,000/2,000=$5.00).

Is step down in basis mandatory?

General rule. The basis of property “acquired from a decedent” is adjusted to the “fair market value” of that property at the date of death (unless one of the exceptions outlined below applies). Basis adjustments at death, whether up or down, are required, not optional.

Why does my cost basis change?

When you buy or sell shares of a security, the cost basis of your position in that security will change. Depending on the type of security, factors other than the original purchase price of a security can have an impact on cost basis. Events such as splits, spin-offs, and liquidations can all affect cost basis.