$Missed Deductions

What is a bunching strategy for deductions?

Standard vs Itemizedintermediate3 answers · 5 min readUpdated February 28, 2026

Quick Answer

A bunching strategy involves timing deductible expenses to concentrate them in alternating years. For 2026, you might bunch deductions to exceed the $15,000 standard deduction (single) or $30,000 (married filing jointly), then take the standard deduction the following year. This can save $500-2,000+ annually for middle-income taxpayers.

Best Answer

RK

Robert Kim, CPA

Taxpayers with charitable giving, state taxes, and mortgage interest who are close to the itemizing threshold

Top Answer

How bunching deductions works


Bunching is a tax strategy where you deliberately time deductible expenses to concentrate them in alternating years. The goal is to exceed the standard deduction in "bunching years" while taking the standard deduction in "off years."


For 2026, the standard deduction is $15,000 (single) and $30,000 (married filing jointly). If your normal itemized deductions total $12,000 annually, you'd save money by taking the $15,000 standard deduction every year. But if you can bunch two years' worth of deductions into one year ($24,000), you'd itemize in the bunching year and take the standard deduction the next year.


Example: Two-year bunching strategy


Let's say you're single with these annual expenses:

  • State and local taxes (SALT): $5,000 (capped at $10,000)
  • Mortgage interest: $4,000
  • Charitable giving: $3,000
  • Total normal deductions: $12,000

  • Without bunching (two years):

  • Year 1: Take standard deduction $15,000
  • Year 2: Take standard deduction $15,000
  • Total deductions: $30,000

  • With bunching (two years):

  • Year 1: Bunch charitable giving ($6,000), pay January property taxes early, maximize other timing-flexible deductions = $18,000 itemized
  • Year 2: Minimal deductions, take standard deduction $15,000
  • Total deductions: $33,000
  • Additional tax savings: $3,000 × 22% tax bracket = $660

  • What expenses can you bunch?


    Easiest to time:

  • Charitable contributions: Make two years' worth of donations in December of the bunching year
  • Property taxes: Pay January's bill in December to accelerate the deduction
  • State estimated taxes: Time quarterly payments to fall in the bunching year (subject to SALT cap)
  • Medical expenses: Schedule elective procedures, buy eyeglasses, dental work in the bunching year

  • Harder to control:

  • Mortgage interest: Fixed monthly payments (though you could make extra principal payments)
  • State income tax withholding: Based on when you earn income

  • Key factors for success


  • Your tax bracket matters: Higher brackets get more benefit. A $3,000 additional deduction saves $330 in the 11% bracket vs. $660 in the 22% bracket
  • SALT cap limits bunching: You can only deduct $10,000 total in state and local taxes, limiting your bunching potential
  • You need flexible deductions: Works best if you have $3,000+ in charitable giving or other timing-flexible expenses
  • Track carefully: Keep detailed records of what you've bunched to avoid double-deducting

  • What you should do


    Run the numbers before implementing bunching. Use tax software to project your itemized deductions for the current year. If you're within $2,000-3,000 of the standard deduction threshold, bunching might save you money.


    Consider opening a donor-advised fund for charitable bunching. You can contribute multiple years' worth of charitable giving in one year, get the immediate deduction, then distribute grants to your chosen charities over time.


    Key takeaway: Bunching works best for taxpayers whose normal itemized deductions are $2,000-5,000 below the standard deduction threshold, with at least $3,000 in timing-flexible expenses like charitable giving.

    *Sources: [IRS Publication 526](https://www.irs.gov/pub/irs-pdf/p526.pdf), [IRS Publication 17](https://www.irs.gov/pub/irs-pdf/p17.pdf)*

    Key Takeaway: Bunching deductions every other year can save $500-2,000+ annually for taxpayers whose normal itemized deductions fall $2,000-5,000 below the standard deduction threshold.

    Bunching vs. annual itemizing comparison for different taxpayer situations

    Taxpayer ProfileAnnual DeductionsStandard StrategyBunching StrategyAnnual Savings
    Single, $12K deductions$12,000Standard: $15,000Bunch to $18K, then standard$150-330
    Married, $25K deductions$25,000Itemize: $25,000Bunch to $35K, then standard$500-1,100
    High earner, $35K deductions$35,000Itemize: $35,000Bunch to $45K, then standard$1,000-1,850

    More Perspectives

    RK

    Robert Kim, CPA

    W-2 employees with minimal deductions who typically take the standard deduction

    Should simple filers consider bunching?


    Most W-2 employees with minimal deductions should stick with the standard deduction every year. Bunching typically doesn't make sense unless you have substantial charitable giving or other flexible deductible expenses.


    For single filers, you'd need to generate at least $15,000+ in itemized deductions to beat the standard deduction. For most simple filers, this means:

  • SALT taxes: $10,000 (the maximum)
  • Plus $5,000+ in other deductions (mortgage interest, charitable giving, medical expenses)

  • If your only deductions are small amounts of charitable giving ($1,000-2,000 annually) and you don't own a home, bunching won't help. You're better off taking the standard deduction every year.


    When simple filers might benefit


    Bunching could work if you:

  • Give $2,000+ to charity annually and can double up in one year
  • Have significant medical expenses you can time (surgery, dental work)
  • Pay property taxes on a rental property or second home
  • Have substantial unreimbursed employee expenses (though these are no longer deductible for W-2 employees under current law)

  • Even then, the math might not work out. Run the numbers carefully before changing your giving or spending patterns for tax purposes.


    Key takeaway: Simple filers with under $10,000 in total annual deductions should generally stick with the standard deduction rather than attempt bunching strategies.

    Key Takeaway: Simple filers with under $10,000 in total annual deductions should generally stick with the standard deduction rather than attempt bunching strategies.

    RK

    Robert Kim, CPA

    Homeowners whose mortgage interest, property taxes, and other deductions are close to but below the standard deduction threshold

    Bunching for homeowners near the threshold


    Homeowners are the best candidates for bunching because you already have substantial fixed deductions (mortgage interest and property taxes) and just need to push your total over the standard deduction threshold.


    Typical homeowner deduction profile:

  • Mortgage interest: $8,000-12,000
  • Property taxes: $5,000-10,000 (limited by SALT cap)
  • Charitable giving: $2,000-5,000
  • Total: Often $15,000-25,000

  • If your normal itemized deductions are $12,000-14,000 (below the $15,000 single standard deduction), bunching charitable contributions can push you over the threshold in alternating years.


    Homeowner bunching strategies


    Property tax timing: Pay your January property tax bill in December to accelerate the deduction. This works especially well if you're already at the $10,000 SALT cap—you're not losing the deduction, just timing it better.


    Charitable bunching: Double up on church tithing, annual charity donations, or major gifts in December of your bunching year.


    Home improvement donations: If you're renovating, donate usable items (appliances, fixtures, furniture) to qualified nonprofits for additional deductions.


    Medical expenses: Schedule dental work, eye exams, or elective procedures in your bunching year. Remember, medical expenses are only deductible to the extent they exceed 7.5% of your adjusted gross income.


    Example calculation


    Normal year deductions:

  • Mortgage interest: $10,000
  • Property taxes: $6,000
  • Charitable giving: $3,000
  • Total: $19,000 (itemize)

  • Bunching year deductions:

  • Mortgage interest: $10,000
  • Property taxes: $6,000 + early January payment $1,500
  • Charitable giving: $6,000 (double year)
  • Total: $23,500 (itemize)

  • Off year:

  • Take standard deduction: $15,000

  • Two-year benefit: ($23,500 + $15,000) - ($19,000 + $19,000) = $500 additional deductions


    Key takeaway: Homeowners whose itemized deductions normally fall within $3,000 of the standard deduction threshold are prime candidates for bunching, especially with charitable giving and property tax timing.

    Key Takeaway: Homeowners whose itemized deductions normally fall within $3,000 of the standard deduction threshold are prime candidates for bunching, especially with charitable giving and property tax timing.

    Sources

    bunchingitemized deductionstax planningstandard deduction

    Reviewed by Robert Kim, CPA on February 28, 2026

    This content is for educational purposes only and is not a substitute for professional tax advice. Consult a qualified tax professional for advice specific to your situation.