Capital gains tax

ALERT - The following amounts have changed for the 2024 tax year:

Standard Deduction: $270,000 ($262,000 in 2023)
Charitable Donation Deduction Threshold: $270,000 ($262,000 in 2023)
Cap on Amount of Charitable Donation Deduction: $108,000 ($105,000 in 2023)
Worldwide gross revenue limit for Qualified Family-Owned Small Business deduction: $10,790,000 ($10,480,000 in 2023)

Online help - how to

Interim guidance statements

How to report and pay the tax

Only individuals owing capital gains tax are required to file a capital gains tax return, along with a copy of their federal tax return for the same taxable year.

Return filing and extensions

The capital gains tax return is due at the same time as the individual's federal income tax return is due.

To receive an extension for filing your Washington Capital Gains return you must request an extension for your capital gains tax return by submitting a request electronically through MyDOR on or before April 15. To qualify for the extension you must have received a filing extension for your federal income tax return. A filing extension does not extend the due date for submitting a payment.

All taxpayers must electronically file their capital gains excise tax returns, along with a copy of their federal tax return and all required documentation. The department may waive the electronic filing requirement for good cause, the waiver must be granted before you file your return. To file electronically go to MyDORor select tax preparation software.

Penalties will apply to late returns.

If an extension is requested or a payment is made, you must file a return with the department regardless of any tax being due.

Payments

Payment for the 2023 tax year is due on or before April 15, 2024.

The tax must be paid by electronic funds transfer or other form of department authorized electronic payment, such as by credit card. The department may waive the electronic payment requirement for good cause, the waiver must be granted before you file you submit your payment. You may incur penalties if you do not submit payment electronically.

Additional penalties and interest will apply to late payments.

If you submit an estimated payment by the original filing deadline, you will not owe late payment penalties. However, if you substantially underpaid your tax liability, you will owe the substantial underpayment penalty. Substantially underpaid means you have paid less than 80% of the tax due.

Please see our interim guidance statement for more information on this topic.

Questions

If you have general questions regarding Capital Gains or would like to request a binding ruling, please use our web page titled Request a tax ruling.

Background

The 2021 Washington State Legislature recently passed ESSB 5096 (RCW 82.87) which creates a 7% tax on the sale or exchange of long-term capital assets such as stocks, bonds, business interests, or other investments and tangible assets.

This tax only applies to individuals. However, individuals can be liable for the tax because of their ownership interest in a pass-through or disregarded entity that sells or exchanges long-term capital assets. The tax only applies to gains allocated to Washington state.

There are several deductions and exemptions available that may reduce the taxable amount of long-term gains, including an annual standard deduction per individual. The deduction is adjusted for inflation annually.

The revenue collected from this tax will fund the education legacy trust account and common school construction account.

Exemptions

The sale or exchange of the following assets are exempt from the Washington capital gains tax:

Real estate.
Interests in a privately-held entity to the extent that the capital gain or loss from such sale or exchange is directly attributable to the real estate owned directly by such entity.
Assets held in certain retirement accounts.
Assets subject to condemnation, or sold or exchanged under imminent threat of condemnation.
Certain livestock related to farming or ranching.
Assets used in a trade or business to the extent those assets are depreciable under Title 26 U.S.C. Sec. 167(a)(1) of the internal revenue code or qualify for expensing under Title 26 U.S.C. Sec. 179 of the internal revenue code.
Timber, timberlands, and dividends and distributions from real estate investment trusts derived from gains from the sale or exchange of timber or timberlands.
Commercial fishing privileges.
Goodwill received from the sale of a franchised auto dealership.

Deductions

The following deductions apply:

The standard deduction for 2024 is $270,000. In 2023 the standard deduction was $262,000 per year per individual, married couple, or domestic partnership. The standard deduction amount is adjusted for inflation annually.
The long-term capital gain from an individual’s sale of all or substantially all of a qualified family-owned small business.
Charitable donations in excess of $270,000 for 2024 per year per individual. The charitable donations deduction cannot exceed $108,000 for 2024 per year per individual. For 2023 the deduction for donations was $105,000 for donations in excess of $262,000. These amounts are adjusted for inflation annually.

Credits

The following tax credits are available:

A business and occupation (B&O) tax credit for B&O taxes due on the same sale or exchange which is subject to the Washington capital gains tax.
A Washington capital gains tax credit for the amount of any legally imposed income or excise tax paid by the individual to another taxing jurisdiction on capital gains derived from capital assets within the other taxing jurisdiction to the extent such capital gains are included in the individual's Washington capital gains.

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