Key Takeaways
- Tax-deferred retirement plan for public school employees.
- Universal availability for elective deferrals upon hire.
- Unique 15-year service catch-up contribution option.
What is 403(b) Plan?
A 403(b) plan is a tax-advantaged retirement savings option offered by eligible employers such as public schools, certain tax-exempt organizations, and churches. It allows employees to make pre-tax or Roth contributions with tax-deferred growth, similar to a 401(k), but with unique eligibility rules and catch-up provisions.
This plan is designed to help employees increase their take-home pay in retirement by reducing current taxable income through elective deferrals.
Key Characteristics
403(b) plans have distinct features that make them suitable for employees in public and nonprofit sectors.
- Eligibility: Universal availability requires nearly all employees to participate immediately upon hire, unlike 401(k) plans that may have age or service requirements.
- Contribution Limits: Annual elective deferrals are capped at $23,500 for 2025, with catch-up contributions available for those aged 50+ and a special 15-year service catch-up unique to 403(b) plans.
- Investment Options: Historically annuities, but now often include mutual funds and Roth options, allowing for diversified retirement portfolios.
- Employer Contributions: Employers may offer matching or nonelective contributions, subject to nondiscrimination rules similar to safe harbor provisions.
- RMDs and Withdrawals: Required minimum distributions start at age 73, and early withdrawals usually face penalties unless exceptions apply.
How It Works
You contribute to a 403(b) plan through payroll deductions, choosing pre-tax or Roth options depending on your tax strategy. Contributions reduce your taxable income now or provide tax-free withdrawals later, respectively.
The plan grows tax-deferred until withdrawals begin, typically after age 59½. Employers may add matching funds, enhancing your retirement savings. The unique 15-year service catch-up allows long-term employees to contribute beyond standard limits, rewarding loyalty.
Examples and Use Cases
403(b) plans are widely used by employees in education and nonprofit sectors, providing tailored retirement solutions.
- Public Education: Teachers and staff at public schools often rely on 403(b) plans for retirement savings.
- Healthcare: Nurses and administrators at nonprofits and cooperative hospital service organizations benefit from these plans.
- Airlines: Employees of companies like Delta may have access to 403(b) options if affiliated with eligible nonprofit or public entities.
- Investment Choices: To build a diversified portfolio, consider low-cost index funds or ETFs; see guides on best low-cost index funds and best ETFs.
Important Considerations
When participating in a 403(b) plan, be mindful of contribution limits to maximize benefits without exceeding IRS rules. Understand how elective deferrals impact your take-home pay and long-term savings goals.
Also, check if your employer’s plan incorporates safe harbor rules to avoid nondiscrimination testing and ensure fairness. Planning your investments with attention to fees and diversification, using resources like the best large-cap stocks, can improve retirement outcomes.
Final Words
A 403(b) plan offers tax-advantaged retirement savings tailored for public education and nonprofit employees, with unique eligibility and catch-up rules. Review your employer’s specific plan details and contribution options to maximize your benefits this year.
Frequently Asked Questions
A 403(b) plan is an employer-sponsored retirement savings plan mainly for employees of public schools, certain tax-exempt organizations, and churches. It allows tax-deferred contributions similar to a 401(k) but has unique eligibility and contribution rules.
Eligible participants include employees of public schools, colleges, churches, and certain tax-exempt organizations under IRC Section 501(c)(3). Most employees must be allowed to contribute immediately upon hire, with some exceptions like part-time workers under 20 hours per week.
For 2025, the elective deferral limit is $23,500, with an additional $7,500 catch-up contribution allowed if you're age 50 or older. Employees with 15 or more years of service may also qualify for a special 15-year catch-up of up to $3,000 annually.
The 15-year service catch-up is a unique feature of 403(b) plans that allows employees with at least 15 years of service to contribute up to an extra $3,000 per year, with a lifetime maximum of $15,000. This catch-up amount is reduced by any prior catch-up contributions.
Yes, employers can make matching, nonelective, or safe harbor contributions to a 403(b) plan, subject to nondiscrimination rules. Eligibility for employer contributions may require up to two years of service, unlike the immediate elective deferral eligibility.
You can participate in both plans if offered, but your combined elective deferrals to 401(k), 403(b), and 457(b) plans cannot exceed the annual contribution limit set by the IRS.
The universal availability rule requires that nearly all employees be eligible to make elective deferrals immediately upon hire, without age or service requirements, ensuring broad access to the plan. Exceptions include part-time workers under 20 hours per week and a few other categories.
Yes, many 403(b) plans allow you to make Roth contributions, which are made with after-tax dollars but grow tax-free, similar to Roth 401(k) contributions.


