Updated 2026-04-21

401(k) Over-Contribution: How to Fix an Excess Elective Deferral

Contributed too much to your 401(k)? The April 15 correction deadline, tax treatment, IRS excise tax penalty, and how to prevent excess deferrals.

Key Takeaways

2026 Quick Reference

$24,500
2026 Deferral Limit
$72,000
Total 415(c) Limit
59½
Penalty-Free Age
73
RMD Start Age

Related Guides

Pavlo Pyskunov

Pavlo Pyskunov

Managing Director & Investment Fund Director

Pavlo Pyskunov analyzes employer-sponsored retirement plans using IRS publications and DOL Form 5500 filings, helping workers maximize their 401(k) savings through data-driven guidance.

Last updated: 2026-04-21

Related Articles

401(k) Contribution Limits 2020-2026

IRS-verified 401(k) contribution limits for 2026: $24,500 employee, $8,000 catch-up, $11,250 super catch-up.

401(k) Taxes: How Your 401(k) Is Taxed (2026)

How 401(k) contributions and withdrawals are taxed, W-2 reporting, 1099-R, state taxes, and strategies to reduce your...

How to Max Out Your 401(k) in 2026 ($24,500 Limit)

Step-by-step guide to contributing the full $24,500 in 2026. Per-paycheck amounts, employer match strategy, and compo...

What is a 401(k)? How Does a 401(k) Work? (+ Calculator)

How 401(k) plans work explained simply. Tax advantages, employer matching, contribution limits, and how to maximize y...

Catch-Up Contributions Guide (50+ & 60-63)

2026 catch-up contribution limits: $8,000 for 50+ and $11,250 super catch-up for ages 60-63.