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Roth 401(k) contributions

Up to $24,500 (2026)

Can You Write Off Roth 401 Contributions?

Short answer: No: Roth 401(k) money goes in after tax, but qualified withdrawals come out tax-free.

From 2026, catch-up contributions for people earning over about $150,000 must go to Roth.

Records to keep: Keep receipts, statements (1098, 1098-T, 1099, W-2G), and a note of what each cost was for. Compare itemizing to the 2026 standard deduction before you claim.