Why High Earners Are Leaving Tax Deductions on the Table

The primary friction point for many taxpayers is the SALT cap, which limits deductions for state income and property taxes to $40,000 annually. For residents in high-tax jurisdictions, this threshold is often breached early, rendering subsequent payments useless for federal tax purposes. A similar complexity exists with mortgage interest: deductions are restricted to the interest on the first $750,000 of debt for loans originated after 2018, requiring homeowners with larger mortgages to prorate their claims carefully.

To optimize tax liability, Julian advocates for deduction stacking. By concentrating charitable contributions into alternating years, taxpayers can surpass the standard deduction threshold in specific years rather than consistently falling short. Furthermore, donating appreciated stock rather than cash allows donors to bypass capital gains taxes while claiming the full fair market value of the gift. Utilizing donor-advised funds adds another layer of flexibility, enabling contributors to front-load donations during high-income years.

Tax-advantaged accounts remain an underutilized tool for wealth preservation. Health savings accounts offer a distinct triple benefit: tax-deductible contributions, tax-free growth, and tax-free withdrawals for qualified expenses. For 2026, individual contribution limits are set at $4,400, rising to $8,750 for family coverage. Ultimately, the difference between an efficient tax return and a missed opportunity lies in proactive planning rather than reactive filing.