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Safe Harbor 401k Limits for 2026

Written by EP Wealth Advisors | December 11, 2025

If you have a Safe Harbor 401(k), you have the potential to save more in 2026. Learn about changes the IRS has made to contribution limits and find an EP Wealth advisor near you to discuss your retirement planning strategy for the year ahead.

Safe Harbor 401k Limits

A Safe Harbor 401(k) is an employer-sponsored retirement plan that is structured to automatically meet IRS nondiscrimination requirements. Safe harbor plans require employers to make certain contributions, either by matching employee deferrals or providing a set contribution. These contributions are fully vested immediately, meaning that employees are not required to work a certain number of years before they can access these funds.

Safe harbor plans follow the same annual IRS contribution limits as traditional 401(k)s. These limits can change each year when the IRS adjusts them for inflation and shifts in the broader economy.

HOW MUCH CAN I CONTRIBUTE TO MY SAFE HARBOR 401(K) IN 2026?

Safe Harbor 401(k)s follow the same IRS contribution limits as traditional 401(k) plans. Below are the key limits for the 2026 tax year:

Employee contributions (all 401(k), 403(b), and most 457 plans):

  • Elective deferral limit (under age 50): $24,500 in 2026
  • Standard catch-up contribution (age 50+): $8,000 in 2026, creating a total potential employee deferral of up to $32,500
  • “Super catch-up” (ages 60–63, if the plan adopts the SECURE 2.0 provision): Up to $11,250 in 2026, allowing for as much as $35,750 in employee deferrals alone

Combined employee + employer contributions (per employer / per plan):

  • Annual additions limit (IRC §415(c)): Up to $72,000 in 2026 for participants under age 50 (includes employee contributions, employer contributions, and any allocated forfeitures)
  • Participants age 50+: May make up to $8,000 in catch-up contributions, which are permitted in addition to the $72,000 annual additions limit.
  • Participants ages 60–63: May be eligible for the $11,250 super catch-up, if allowed by the plan; this amount is permitted in addition to the $72,000 limit.

The IRS sets a maximum amount of annual compensation that a 401(k) plan can consider when calculating employer contributions. For 2026, that limit is $360,000. In other words, even if someone earns more than $360,000, the plan can only use up to $360,000 of their income when determining employer match or profit-sharing amounts.

SAFE HARBOR EMPLOYER FORMULAS

Safe harbor status comes from the type of employer contribution formula a plan uses, not from different contribution limits. The IRS allows several formula options, and the core choices remain the same for 2026.

The basic safe harbor match follows a two-tier structure. Employers match 100 percent of the first 3 percent of pay that an employee defers and then match 50 percent of the next 2 percent deferred. This creates a maximum safe harbor match equal to 4 percent of an employee’s compensation.

An enhanced safe harbor match is also permitted. This formula must be at least as generous as the basic match at every deferral level. A common approach is a 100 percent match on the first 4 percent of compensation deferred.

Some employers choose the 3 percent nonelective safe harbor instead of a match. With this option, the employer contributes 3 percent of compensation for all eligible employees, regardless of whether the employee makes their own deferrals.

Plans can also use QACA safe harbor formulas (for automatic-enrollment safe harbor plans). These follow a slightly different matching structure and have their own vesting requirements, but they continue to qualify as safe harbor arrangements for 2026.

NEXT STEPS FOR YOUR 2026 RETIREMENT PLANNING

Decisions about Safe Harbor contributions in 2026 should be made as part of your broader retirement planning strategy. EP Wealth financial planning advisors can walk you through your 401(k) options and help you build a retirement strategy that reflects where you are today and where you want to be in the future. Connect with an advisor near you.


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