For many California teachers, retirement planning is not just about having a pension. A CalSTRS pension can be a strong foundation, but it may not replace your full working income. That is why many educators also look at supplemental savings options, including Roth 403(b) and Traditional 403(b) accounts.
The big question is simple: should you pay taxes now or later?
A Roth 403(b) uses after-tax contributions. That means you pay income tax before the money goes into the account. If the withdrawal later meets qualified distribution rules, the money can come out tax-free. A Traditional 403(b) uses pre-tax contributions. That means contributions may lower taxable income now, but withdrawals are generally taxable later.
Neither option is automatically better for every teacher. The better choice depends on your income, tax bracket, retirement timeline, pension expectations, and how much tax flexibility you want later. For educators who want help connecting these choices to their full retirement picture, Peak Solutions Financial focuses on retirement planning for California educators and public employees.
What Is a Traditional 403(b) for California Teachers?
A Traditional 403(b) is a retirement savings account often available to public school employees. Contributions are usually made through payroll deductions before income taxes are calculated. This can reduce taxable income in the year you contribute.
For example, if a teacher contributes to a Traditional 403(b), that contribution may lower current taxable income. The account can then grow tax-deferred. Later, when the teacher takes money out in retirement, withdrawals are generally treated as taxable income.
A Traditional 403(b) may appeal to teachers who:
- Want to lower taxable income today
- Are in a higher tax bracket now
- Expect to be in a lower tax bracket in retirement
- Need more current paycheck relief
- Are close to retirement and want current tax savings
This option can be useful, but it should not be viewed in isolation. California teachers may also have CalSTRS benefits, possible Social Security considerations, other savings, and future required withdrawals. That is why a broader retirement planning for educators conversation can help connect the account choice to the teacher’s full income plan.
What Is a Roth 403(b) for California Teachers?
A Roth 403(b) is funded with after-tax dollars. This means contributions do not reduce taxable income in the year you make them. The advantage comes later. If the account meets qualified distribution rules, withdrawals of contributions and earnings may be tax-free.
A Roth 403(b) may appeal to teachers who:
- Are early in their career
- Expect income or tax rates to rise over time
- Want tax-free retirement income if rules are met
- Want more flexibility when managing taxable income later
- Already expect taxable pension income in retirement
For younger teachers, a Roth 403(b) can be especially attractive because the account may have many years to grow. Paying taxes now may feel less painful if the teacher is currently in a lower bracket than they expect later.
Teachers who are unsure how a Roth 403(b) fits alongside CalSTRS can also review related planning topics through the Peak Solutions Financial blog.
How Do Roth 403(b) and Traditional 403(b) Accounts Compare?
The easiest way to compare Roth 403(b) and Traditional 403(b) accounts is to look at the timing of taxes.
With a Traditional 403(b), the tax benefit is mostly upfront. You may reduce taxable income now, but withdrawals are generally taxable later.
With a Roth 403(b), the tax benefit is mostly later. You pay taxes now, but qualified withdrawals may be tax-free in retirement.
Here is a simple comparison:
- Traditional 403(b): tax break now, taxable withdrawals later
- Roth 403(b): no current tax break, possible tax-free qualified withdrawals later
- Traditional 403(b): may help teachers with higher current taxable income
- Roth 403(b): may help teachers who want future tax flexibility
- Traditional 403(b): may increase taxable retirement income later
- Roth 403(b): may reduce dependence on taxable withdrawals later
Both account types can be useful. Some teachers even use both if their district plan allows it. The goal is not always to choose one forever. The goal is to create a savings strategy that fits your current life and future retirement income plan.
How Do 2026 Contribution Limits Affect the Decision?
For 2026, the employee elective deferral limit for a 403(b) is $24,500. Teachers age 50 or older may be able to make additional catch-up contributions if the plan allows it. A higher catch-up amount may also apply for certain employees age 60 to 63 if the plan permits. Some long-serving employees may also have access to a 15-year service catch-up provision, depending on the plan rules.
These limits matter because Roth and Traditional 403(b) employee contributions generally share the same elective deferral limit. In other words, choosing both does not double the standard employee contribution limit.
For example, a teacher cannot contribute the full 2026 employee limit to a Roth 403(b) and then contribute that same full amount again to a Traditional 403(b). The combined salary deferrals must follow the applicable limit.
This is why planning matters. A teacher may decide to place all contributions into one account type or split contributions between Roth and Traditional depending on tax goals.
When Might a Roth 403(b) Be the Better Choice?
A Roth 403(b) may be the better choice when a teacher believes future taxes could be higher than current taxes. This may happen if the teacher is early in their career, expects salary growth, expects pension income later, or wants more control over taxable retirement income.
A Roth 403(b) may also make sense for teachers who want tax diversification. Tax diversification means having different types of retirement income sources. Some may be taxable. Some may be tax-free if rules are met. This can give retirees more choices when deciding where to take income from each year.
A Roth 403(b) can be especially helpful when a teacher wants to reduce future tax pressure. Since California teachers may already have taxable retirement income, adding a source of potentially tax-free qualified withdrawals may provide flexibility.
Teachers who want to better understand retirement income taxes can also read Peak’s guide on tax planning for teacher retirement income in California.
When Might a Traditional 403(b) Be the Better Choice?
A Traditional 403(b) may be the better choice when a teacher needs current tax relief. If a teacher is in a higher income year, a pre-tax contribution may help reduce taxable income now.
This can be helpful for teachers who:
- Are near the top of their salary schedule
- Have a spouse or household income that creates a higher tax bracket
- Need more current cash flow
- Expect lower taxable income after retirement
- Prefer a current-year tax benefit
A Traditional 403(b) may also be useful for teachers who are close to retirement and have fewer years for Roth growth. In that case, the immediate tax benefit may feel more valuable than waiting for future tax-free qualified withdrawals.
Still, the Traditional 403(b) should be reviewed carefully. If a teacher will already receive pension income, future Traditional 403(b) withdrawals may add to taxable retirement income. That does not make the Traditional option wrong. It simply means the full retirement income picture matters.
How Does CalSTRS Affect the Roth vs. Traditional 403(b) Choice?
For many California teachers, CalSTRS is the main retirement foundation. A 403(b) is usually a supplemental account, not a replacement for a pension. The role of the 403(b) is to help fill income gaps, build flexibility, and provide additional savings.
Teachers should think about how their CalSTRS benefit, Defined Benefit Supplement, Social Security situation, and personal savings may work together. Peak Solutions Financial offers pension analysis and retirement planning services that include CalSTRS and CalPERS pension reviews, supplemental pension account education, and retirement income planning.
To learn more about pension basics, teachers can review Peak’s article on how CalSTRS works and the article explaining the CalSTRS Defined Benefit Supplement.
How Should California Taxes Be Considered?
California teachers should be careful when thinking about taxes because both federal and state rules can affect retirement income. California residents are generally taxed on income regardless of source. This means taxable retirement income can still matter at the state level.
A Roth 403(b) may help provide tax flexibility if qualified withdrawals are not taxable under applicable rules. A Traditional 403(b), by contrast, usually creates taxable income when money is withdrawn.
This is not a reason to avoid Traditional 403(b) contributions. It is a reason to plan. A teacher’s future tax picture may include pension income, possible Social Security, spouse income, investment income, and required withdrawals from other accounts.
For teachers with questions about Social Security changes, Peak also has a helpful article on Social Security and California teachers.
How Can Teachers Decide Which 403(b) Option Fits Best?
The best choice starts with a few honest questions:
- Am I in a lower tax bracket now than I expect later?
- Do I need a tax deduction today?
- Will my pension already create taxable income in retirement?
- Do I want more tax-free income potential later?
- How many years do I have before retirement?
- Does my district plan allow Roth, Traditional, or both?
- Am I eligible for catch-up contributions?
If you are early in your teaching career, Roth may deserve strong consideration. If you are in peak earning years and need current tax relief, Traditional may be more attractive. If you are unsure, splitting contributions may provide balance if your plan allows it.
The right answer should be based on your real numbers, not a generic rule. Peak Solutions Financial helps educators review pension details, income needs, supplemental accounts, and retirement timing. To take the next step, teachers can request a consultation or learn more about the Peak Solutions Financial team.
What Organizations Were Cited in the Works Cited?
California Franchise Tax Board. “FTB Publication 1100: Taxation of Nonresidents and Individuals Who Change Residency.” Franchise Tax Board, 2026.
California State Teachers’ Retirement System. “Pension2.” CalSTRS, 2026.
Internal Revenue Service. “Retirement Topics: 403(b) Contribution Limits.” Internal Revenue Service, 16 Mar. 2026.
Internal Revenue Service. “Roth Account in Your Retirement Plan.” Internal Revenue Service, 16 Nov. 2025.
Internal Revenue Service. “Retirement Topics: Required Minimum Distributions.” Internal Revenue Service, 2026.
