How to Maximize Your Tax Deductions

Every taxpayer chooses between the standard deduction and itemized deductions — whichever is larger reduces your taxable income more. For 2025, the standard deduction is $15,000 for single filers, $30,000 for married filing jointly, and $22,500 for head of household. Since the Tax Cuts and Jobs Act roughly doubled the standard deduction in 2018, about 90% of taxpayers now take the standard deduction because their itemized deductions do not exceed it. However, if your mortgage interest, state and local taxes, charitable contributions, and other deductions exceed the standard deduction, itemizing saves you more. Even if you take the standard deduction, above-the-line deductions (adjustments to income) like HSA contributions, student loan interest, and self-employment tax are still available. These reduce your adjusted gross income (AGI), which can unlock additional credits and deductions tied to income thresholds.

The largest itemized deductions for most taxpayers are mortgage interest, state and local taxes (SALT), and charitable contributions. Mortgage interest is deductible on loans up to $750,000 ($375,000 married filing separately). The SALT deduction covers state income taxes (or sales tax) and property taxes, but is capped at $10,000 ($5,000 married filing separately). Charitable contributions of cash are deductible up to 60% of AGI, and donations of appreciated stock can be deducted at fair market value while avoiding capital gains. Medical expenses exceeding 7.5% of AGI are deductible, which primarily benefits those with very high medical costs. Casualty and theft losses from federally declared disasters remain deductible. If you are close to the standard deduction threshold, consider bunching deductions — making two years of charitable contributions in one year to exceed the threshold, then taking the standard deduction in the alternate year.

Above-the-line deductions reduce your AGI regardless of whether you itemize. Health Savings Account (HSA) contributions are deductible up to $4,300 for individuals and $8,550 for families in 2025, and withdrawals for qualified medical expenses are tax-free — a triple tax benefit. Traditional IRA contributions are deductible up to $7,000 ($8,000 age 50+) if you are not covered by a workplace retirement plan, or if your income is below certain thresholds. Student loan interest is deductible up to $2,500 per year for incomes below $90,000 (single). Self-employed individuals can deduct the employer-equivalent portion of self-employment tax, health insurance premiums, and contributions to solo 401(k) or SEP IRA plans. Educator expenses up to $300 are deductible for qualifying teachers. These deductions are particularly valuable because reducing AGI can also qualify you for other tax breaks that phase out at higher income levels.

Several valuable tax breaks are frequently overlooked. The Saver's Credit provides a credit of up to $1,000 ($2,000 married) for low-to-moderate income retirement savers. The Earned Income Tax Credit (EITC) is worth up to $7,830 for families with three or more children and is the largest anti-poverty tax benefit. The Child and Dependent Care Credit covers up to $3,000 in care expenses per child. Energy efficiency home improvements qualify for credits up to $3,200 per year under the Inflation Reduction Act, covering insulation, windows, heat pumps, and solar panels. Electric vehicle tax credits of up to $7,500 are available for qualifying new vehicles. State-specific deductions for 529 education savings plan contributions are available in over 30 states. If you work from home, the home office deduction (self-employed only) can deduct a portion of rent, utilities, and internet expenses. Keep detailed records and receipts for all potential deductions throughout the year.