#contribution-deadlines
Contribution Deadlines
Important deadlines for retirement contributions
Solo 401(k) for Self-Employed Owners in 2026: How to Actually Max It Out
In 2026 a Solo 401(k) lets a self-employed owner shelter up to $72,000 ($83,250 with the ages 60–63 super catch-up) across a $24,500 employee deferral and a 25%-of-compensation employer contribution. This guide covers the two-bucket math, the new mandatory Roth catch-up for W-2 wages over $145,000, first-year vs. ongoing deadlines, and the $250,000 Form 5500-EZ filing trigger.
IRS Announces 2027 HSA and HDHP Limits: What Small Business Owners and the Self-Employed Should Plan For Now
Revenue Procedure 2026-24 raises 2027 HSA contribution limits to $4,500 self-only and $9,000 family, with HDHP minimum deductibles of $1,750/$3,500 and out-of-pocket maximums of $8,700/$17,400. Here's what the new numbers mean for self-employed owners — including why the HSA deduction doesn't reduce self-employment tax, the April 15 contribution deadline that extensions don't move, and the over-contribution traps around employer contributions and the Last-Month Rule.
Solo 401(k) vs. SEP IRA: Which Saves the Self-Employed More Tax in 2026?
A freelancer earning $80,000 net self-employment income can shelter roughly $43,070 in a Solo 401(k) versus $18,570 in a SEP IRA in 2026 — the gap comes entirely from the $24,500 employee-deferral bucket that SEP IRAs don't offer.
Solo 401(k) vs. SEP-IRA in 2026: Picking the Self-Employed Retirement Plan That Actually Shelters the Most Income
A 2026 comparison of solo 401(k) and SEP-IRA plans for the self-employed, with contribution math at $60K, $120K, and $300K of net income, SECURE 2.0 Roth catch-up and super catch-up rules, setup deadlines, and a decision framework for picking the plan that shelters the most income.
Your Complete Guide to IRA Contribution Deadlines: Don't Leave Money on the Table
Understanding IRA contribution deadlines is crucial for maximizing your retirement savings and tax benefits. Learn how to effectively navigate these timelines to secure your financial future.