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What Are Itemized Deductions? (And How Are They Different from the Standard Deduction?)

By Janet Berry-Johnson on April 24, 2019

What are itemized deductions?

Itemized deductions are essentially a list of deductible expenses you can use to reduce your taxable income. They include medical expenses, taxes, the interest you pay on your home mortgage, and donations to charity. Taxpayers who itemize add up all of their deductible expenses and subtract the total from their adjusted gross income to reach their taxable income.

When you file your Form 1040, U.S. Individual Tax Return, you have the option of itemizing deductions or taking the standard deduction—an amount predetermined by the IRS, based on your filing status.

Typically, if your total itemized deductions are greater than the standard deduction available for your filing status, you’ll opt to itemize.

However, it’s important to note that there are a couple of circumstances in which taxpayers don’t have a choice on whether to itemize or claim the standard deduction. Nonresident aliens are required to itemize and married couples who file separately have to choose the same method—one can’t itemize while the other claims the standard deduction.

Some common itemized deductions include:

Assuming you can itemize, to do so you’ll need to keep track of what you spent during the year and keep documentation, such as receipts, bank statements, medical bills, and acknowledgment letters from charities.

You’ll also need to keep the following rules and limitations in mind:

  • Medical and dental expenses. You can only deduct out-of-pocket medical expenses that exceed 7.5% of your adjusted gross income in 2018. In 2019, that threshold increases to 10%.

  • State and local income taxes and property taxes. The TCJA capped the deduction for state and local taxes at $10,000 starting with 2018 returns. Under prior rules, the deduction for state and local taxes was unlimited.

  • Home mortgage interest. You can deduct interest paid on home mortgage debt of up to $750,000 (down from $1,000,000 in 2017). To qualify, the mortgage must have been used to “buy, build, or substantially improve” your home. In other words, home equity debt that was not used for home renovation and remodeling is not eligible.

  • Gifts to charity. You can claim a deduction for cash or property donated to a qualified tax-exempt organization.

  • Casualty and theft losses. You can deduct losses from a federally declared disaster.

If you’ve been itemizing for a while, you might notice a few deductions missing from that list. Recent tax reform eliminated some miscellaneous itemized deductions, including investment fees, job expenses, and tax preparation fees. The good news is these expenses are still deductible for businesses. The change only impacted individual returns.

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How do you itemize deductions?

You itemize deductions on Schedule A of Form 1040, which looks like this:

Schedule A Form 1040

What is the standard deduction?

The standard deduction is a flat amount that the IRS allows you to deduct—no matter how many deductible business expenses you have. The standard deduction available to you depends on your filing status.

For 2018 and 2019, the available standard deductions are as follows:

Filing Status 2018 Standard Deduction 2019 Standard Deduction
Single $12,000 $12,200
Married Filing Jointly $24,000 $24,400
Married Filing Separately $12,000 $12,200
Head of Household $18,000 $18,350

For 2017 tax returns, the standard deduction was just $6,350 for single people and $12,700 for married couples filing joint returns. Tax reform nearly doubled the standard deductions for all filing statuses, so many more people will see a lower tax bill with the standard deduction than they would get from itemizing.

With the higher standard deductions, taking steps to lower your tax bill might be a little more complicated than it was before. Pre-paying your state and local taxes or making a donation to charity might not be enough to push you over the higher standard deduction hurdle. And if you live in a high-tax state, your combined state income taxes and property taxes may have already reached the $10,000 limit.

Itemized deductions vs. standard deduction

If the standard deduction amount for your filing status is greater than the amount of itemized deductions you’d be able to claim, then you should take the standard deduction. And vice versa.

To decide whether it’s worth it to claim itemized deductions rather than the standard deduction, you’ll need to know your filing status and have a rough estimate of your income and the itemized deductions you want to claim for the year. A good place to start is looking at your prior tax return.

To illustrate, say Mark and Sara are a married couple trying to decide whether they should itemize in 2019. They expect their 2019 income and deductions to be pretty similar to 2018, so they pull out their 2018 Form 1040 and look at Line 7 to see their adjusted gross income for 2018 was $100,000.

Let’s go down that list of itemized deductions to see whether Mark and Sara can benefit from itemizing in 2019.

Medical and dental expenses

As we mentioned previously, to benefit from claiming itemizing medical expenses, your total out-of-pocket medical and dental expenses must exceed 10% of your AGI in 2019.

For Mark and Sara, that means they would need more than $10,000 in expenses to benefit from deducting medical expenses. Mark and Sara have health insurance, are generally healthy, and don’t have any major medical or dental procedures scheduled for 2019, so they estimate they won’t have more than $10,000 in medical expenses for 2019.

Itemized medical expenses: $0

State and local taxes

Mark makes quarterly estimated tax payments of $5,000 per year for state income taxes. Sara stays home with their young daughter, so she doesn’t make estimated tax payments or have any state income taxes withheld from a paycheck.

They pay roughly $5,000 per year in property taxes on their home, and $200 in personal property taxes are paid with their vehicle registrations. Of the total $10,200 they pay in state and local taxes, Mark and Sara can claim $10,000. The additional $200 deduction is lost since the deduction for state and local taxes is capped at $10,000.

Itemized taxes: $10,000

Mortgage interest

Mark and Sara pay roughly $8,000 per year in mortgage interest on their home. Their mortgage balance is well under $750,000, and they used 100% of the proceeds to buy their home, so Mark and Sara don’t have to worry about their mortgage interest deduction being limited.

Itemized mortgage interest: $8,000

Gifts to charity

Mark and Sara donate approximately $600 in cash per year and another $300 worth of used clothing and household items to a charity thrift store.

Itemized charitable donations: $900

Adding up itemized deductions

Mark and Sara’s total estimated itemized deductions for 2019 are $18,900 ($10,000 in taxes, $8,000 in mortgage interest, and $900 in gifts to charity). As a married couple filing a joint return, the standard deduction available to them in 2019 is $24,400, so their itemized deductions are $5,500 less than the standard deduction. Unless Mark and Sara wind up paying bill medical bills in 2019 or want to increase their charitable giving drastically, they’re better off claiming the standard deduction for 2019.

Bottom line

If you run the numbers like Mark and Sara did above and your estimated itemized deductions are close to the available standard deduction for your filing status, you’ll probably want to keep records for any available itemized deductions just in case. At tax time, your tax professional can run the numbers both ways to see which method produces a lower tax bill.

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This post is to be used for informational purposes only and does not constitute legal, business, or tax advice. Each person should consult his or her own attorney, business advisor, or tax advisor with respect to matters referenced in this post. Bench assumes no liability for actions taken in reliance upon the information contained herein.

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