Safe Harbor 401(k): Rules, Benefits and How It Works

Feature Details Purpose Automatically satisfies IRS nondiscrimination tests 2025 Employee Contribution Limit $23,500, plus $7,500 catch-up for age 50+ Employer Obligation Must make matching or 3% nonelective contributions Vesting Contributions are immediately 100% vested Setup Deadline (Calendar-Year Plan) October 1, 2025 Best For Small to mid-sized businesses, highly compensated employees Feature Safe Harbor 401(k) Based on the employer’s schedule IRS Testing Not required Required annually Employer Contributions Required (match or 3% nonelective) Optional Vesting Immediate Based on employer’s schedule Complexity Moderate Higher HCE Contribution Limits No restriction May be limited FAQs About Safe Harbor 401(k) Here are some common questions and concerns that might pop up around Safe…