15 min · September 9, 2026
How to Avoid the RMD Tax Torpedo
The retirement tax mistake most people don't see coming can add thousands to your bill every year. Required minimum distributions, or RMDs, begin between ages 73 and 75, and if most of your wealth is in pre-tax accounts like a 401(k) or IRA, they can trigger higher federal and California taxes, Medicare IRMAA surcharges, and taxes on more of your Social Security.
Transcript, lightly edited for readability.
What is the RMD tax torpedo?
Required minimum distributions start at age 73 for most people, though recent law changes push that to 74 or 75 depending on your birth year. Any retirement account you've been saving into for the last 30, 40, or 50 years, like a 401(k) or a traditional IRA, has never been taxed. The government has effectively been a silent partner in that account the whole time, and once you hit your RMD age, they're ready to get paid.
The calculation starts at around 3% of your account balance in the first year and climbs every year after that, regardless of whether you actually want or need the money. Everything you withdraw counts as fully taxable income, so the bigger the account, the bigger the tax hit.
Why it's called a torpedo
Up to four things can hit you all at once and push you from a low, or even 0%, tax rate into a much higher one. RMDs stack on top of income you already have, like Social Security, pensions, or rental income, and can push you into a higher federal and California tax bracket. Medicare IRMAA surcharges kick in based on your income from two years prior, and higher RMD income can add $500 to $600 a month or more in extra premiums that, once triggered, don't stop. And more of your Social Security can become taxable: if most of your income was coming from tax-free sources, going over a certain income level can make up to 85% of your Social Security benefit taxable.
All of this is layered on top of California's tax rates, which can run above 13% on the state side. The one silver lining is that California doesn't tax Social Security income at all.
The critical window: your 60s
The years between when you retire and when RMDs begin, sometimes called the "gap years," are your best opportunity to make changes. In the first years of retirement you may have little to no income before Social Security and RMDs start, which often puts you in the lowest tax bracket you'll see for the rest of your life. That's the window to act, not the years after RMDs begin, when it's too late to undo anything.
Strategies to defuse it
Roth conversions. Moving money from a pre-tax account into a Roth account triggers taxes now, but at a rate you control. If you're in the 12% bracket with room before the 22% bracket starts, you can convert enough to fill that bracket now rather than being forced into the 22% bracket later by RMDs.
Strategic early withdrawals. A similar idea: pull money from pre-tax accounts up to the top of a lower bracket, then cover any additional spending from a Roth account, so you get the cash you need without crossing into a higher bracket.
Qualified charitable distributions. If you're already giving to charity, donating directly from your IRA lets you give pre-tax dollars instead of already-taxed dollars, and it counts toward your RMD, lowering the amount you're taxed on.
Coordinated withdrawal strategies. Pulling from the right accounts in the right order, factoring in Medicare IRMAA thresholds, not just tax brackets, when deciding where money comes from each year.
Widow's penalty planning. When one spouse passes away, the survivor moves from married-filing-jointly to single tax brackets, which are far less generous. RMDs that were manageable as a couple can suddenly push a surviving spouse into a much higher bracket, so it's worth planning around while both spouses are alive.
The RMD tax torpedo is avoidable if you have any runway before it starts, sometimes as early as age 55. Even a part-time or consulting income that lowers your earnings for a few years can open a window to convert or withdraw strategically before RMDs take that flexibility away.
