10/05/2026
December 31 is a hard wall for several 2026 tax actions. After it passes, some options are gone.
Start with FSA/HSA:
• Health care FSA contributions are capped at $3,400 for 2026. FSA funds generally must be spent by December 31 unless your employer offers a carryover of up to $680 into 2027 or a grace period, typically through March 15, 2027-not both.
• HSA funds do not generally expire. However, 2026 HSA contributions are limited to $4,400 for self-only coverage or $8,750 for family coverage, plus a $1,000 catch-up contribution at age 55 or older. Contributions can generally be made through April 15, 2027, but December 1 coverage status can affect 2026 eligibility. A general-purpose FSA can also prevent HSA contributions.
Before year-end:
• Maximize 401(k) payroll deferrals. April cannot fix missed payroll contributions.
• Take required minimum distributions if you are 73 or older. Missing one can trigger a 25% penalty.
• Harvest investment losses to offset capital gains.
• Bunch charitable gifts into 2026. If eligible, consider a qualified charitable distribution from an IRA.
• Evaluate a Roth conversion.
Your fourth-quarter estimated tax payment is due January 15, 2027-not December 31.
Tax season is too late for several of these decisions. Schedule a review: 30 minutes for $50 or 60 minutes for $100.
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