Published August 2026
What OBBBA actually did, and didn’t do
There is nothing in OBBBA that specifically restricts, bans, or modifies Roth IRA conversions or backdoor Roth contributions. That matters because for years, other proposed legislation floated closing the backdoor Roth loophole; OBBBA is not that bill. What it does contain is a permanent extension of the 2017 Tax Cuts and Jobs Act’s individual tax brackets, which were otherwise set to expire at the end of 2025 and revert to higher pre-2018 rates. Locking those lower brackets in permanently removes the “convert now before rates jump back up” urgency that existed under the old sunset timeline — the brackets you’re converting into today aren’t scheduled to disappear anymore.
Three OBBBA provisions that interact with conversion timing
| Provision | What it does | Why it matters for a conversion |
|---|---|---|
| Permanent TCJA rate extension | Locks in current lower individual brackets, no 2026 sunset | Removes the old “convert before rates rise” deadline pressure |
| Senior deduction, ages 65+ | $6,000 per qualifying taxpayer ($12,000 both spouses 65+), 2025-2028 only | Can create extra room to convert without crossing into a higher bracket, while it lasts |
| SALT cap raised to $40,000 | Through 2029, phased down for incomes over $500,000 | More itemized deductions can offset the extra taxable income a conversion creates in the same year |
Provision details per the text of the One Big Beautiful Bill Act (signed July 4, 2025) as summarized by multiple independent financial-planning and tax publications; conversion mechanics unaffected per the absence of any IRA/Roth provision in the Act.
Don’t confuse this with the separate 2026 Roth catch-up mandate
A different rule, unrelated to OBBBA, also takes effect in 2026: a SECURE 2.0 Act provision (final regulations issued by Treasury and the IRS in September 2025) requires workplace-plan catch-up contributions to be made as Roth for employees with more than $150,000 in prior-year FICA wages. That’s a 401(k) plan-design rule about how catch-up money goes in, not a change to Roth conversions or backdoor Roth eligibility — the two frequently get lumped together in year-end “Roth changes for 2026” roundups, but they come from different laws with different mechanics.
The senior deduction is temporary
The $6,000/$12,000 senior deduction only applies for tax years 2025 through 2028 under current law. If you’re timing a Roth conversion around the extra deduction room it creates, remember that window has a real, currently-scheduled end date — it isn’t a permanent feature of the tax code the way the TCJA rate extension now is.
Frequently Asked Questions
Did OBBBA change the backdoor Roth strategy?
No. OBBBA contains no provision directly addressing IRA contributions, Roth conversions, or the backdoor Roth strategy. The pro-rata rule and conversion mechanics are unchanged.
Does the senior deduction change my IRA contribution limit?
No — it’s a separate deduction on your tax return for those 65 and older, unrelated to IRA or Roth contribution limits, and it only lasts through 2028 under current law.
Is the mandatory Roth catch-up rule part of OBBBA?
No — that requirement comes from the SECURE 2.0 Act (2022), with final regulations issued in September 2025, and it governs 401(k) catch-up contributions, not IRA or backdoor Roth rules.
Here's the link to download the slides: https://foundryfinancial.net/obbba-tax-implications
Hi. How much is your hourly rate?
You need to simplify your presentation
Was a single filing status video ever made?
After watching several videos on this topic, it seems the general assumption is that people should retire fairly early and not claim their SS benefits for the first few years.
How do we approach it for folks that retire much later because they either enjoy working or earn a substantial salary they don't want to give up?
Another cliff to fly under as to tax year income total after adding the Roth conversion (in addition to trying to stay under a certain tax bracket ceiling you need to stay under the "phaseout ceiling" for the "senior bonus added deduction"
(or is penetrating part of the way into the phaseout ceiling sometimes worthwhile ?)
I think it's important to show the calculations for singles too, even though I'm MFJ. Someday one of us will die, and the other one is going to be spanked hard with single tax rates.
please do single examples..thank you
There are all these rules…..but how do you keep track of them? How does the IRS know if you've followed them or not? I have a difficult time keeping it straight when i do taxes, so not sure how this is all reported to the IRS?
I am in a position of not a lot of income. When I do a Roth conversion it increases the amount of Taxable SSA. The extra Taxable income increases the tax rate on my Roth Conversion amount by 9.66%.
It's not costing you more to convert, you are getting less benefit from the $6000.