How Does the SALT Deduction Work For High Earners?
Quick Answer: In 2026, the State and Local Tax (SALT) deduction allows you to write off up to $40,400 on Schedule A, but a Modified Adjusted Gross Income (MAGI) over $505,000 triggers a 30% phaseout that reduces the cap down to a $10,000 floor. High-income taxpayers may be able to reduce the effect of the individual SALT limitation through tax-planning strategies such as an eligible Pass-Through Entity tax election.
Key Takeaways
- For tax year 2026, the maximum individual State and Local Tax (SALT) deduction cap temporarily increases to $40,400 ($20,200 for Married Filing Separately) before resetting to $10,000 after tax year 2029.
- If your Modified Adjusted Gross Income (MAGI) exceeds $505,000, you face a 30% phaseout that reduces your allowable SALT deduction by $0.30 for every excess dollar earned down to a statutory floor of $10,000.
- Certain eligible business owners may benefit from a Pass-Through Entity tax election (PTE). Other taxpayers may benefit from coordinating the timing of deductible expenses and charitable contributions, depending on their complete tax circumstances.
For high-income taxpayers, the expanded SALT deduction can be significantly reduced once income exceeds the applicable phaseout threshold.
Take, for instance, the OBBBA’s expanded SALT deduction cap of $40,400.
It’s a huge tax shield for Modesto middle- and upper-middle-class itemizers. But if your income crosses $505,000, a phaseout mechanism scales down that deduction, bringing you right back toward the old $10,000 limit.
But crossing that threshold doesn’t mean you simply have to accept losing those savings.
Today, we’ll explain how the phaseout works and identify tax-planning considerations that may affect the available deduction.
What is the SALT deduction cap?
The State and Local Tax (SALT) deduction cap is the federal limit on how much state, local, property, and sales tax you can deduct on Schedule A. For tax year 2026, the maximum SALT deduction is $40,400 ($20,200 for Married Filing Separately), which is a significant temporary increase from the $10,000 limit that applied from 2018 through 2024.
To claim the SALT deduction, you have to itemize your deductions on Schedule A of Form 1040 rather than taking the standard deduction. Eligible taxes fall into three primary categories:
- Withholdings or estimated tax payments paid to state and municipal governments during the tax year.
- State or local general sales tax (deducted instead of state income tax), which is the ideal choice if you live in a state without an income tax (e.g., Texas, Florida, Washington) or if you made any major purchases like a vehicle or an RV.
- Local property taxes assessed on primary homes, land, and non-business personal property (e.g., annual vehicle value taxes).
When did the SALT cap increase?
The Tax Cuts and Jobs Act (TCJA) introduced the original $10,000 SALT cap starting in 2018. In 2025, it was increased to $40,000 ($20,000 MFS) under OBBBA. Now, in 2026, it’s been adjusted for inflation to $40,400 ($20,200 MFS).
The higher cap is scheduled to increase by 1% annually through tax year 2029 before resetting back to the original $10,000 limit January 1, 2030.
This limited window makes proactive multi-year tax planning essential if you’re a high-earner looking to maximize itemized deductions before the window closes.
How does the SALT deduction work for high earners?
If your Modified Adjusted Gross Income (MAGI) crosses $505,000 in 2026 ($252,500 if Married Filing Separately), you don’t get to keep the expanded $40,400 SALT deduction. Congress takes back $0.30 of deduction for every dollar you earn over $505,000 until your deduction hits a minimum floor of $10,000 once income reaches $606,333.
Basically, if you’re a successful Modesto professional, executive, or business owner, there’s a major catch built into the tax code you may have to watch out for.
Once your MAGI hits $505,000, three rules take effect simultaneously:
- Every dollar below $505,000 is safe. You get the full benefit of your itemized state, local, and property taxes up to $40,400.
- Every dollar you earn above $505,000 chips away at that $40,400 write-off at a rate of 30%.
- No matter how high your income goes, your deduction won’t drop below $10,000.
Inside the phase-out corridor between $505,000 and $606,333, earning an extra dollar also strips away 30 cents of tax deductions you were previously relying on.
Normally, if you’re in the 35% tax bracket, taking on a project that pays an extra $10,000 means you hand $3,500 to the IRS.
But inside this phase-out zone, that extra $10,000 of income also wipes out $3,000 of write-offs. Suddenly, you’re paying tax on $13,000 instead of $10,000. That drives your effective federal marginal tax rate on those extra earnings from 35% up to 45.5%… and that’s before state tax enters the room.
Here’s a clear breakdown of how rising income whittles down your actual deduction if you’re filing jointly and have at least $40,400 in combined property and state taxes:
| 2026 Income (MAGI) | Extra Income Over $505k | Deduction Lost (30%) | What You Can Actually Deduct | What It Means for Your Tax Bill |
| $505,000 or under | $0 | $0 | $40,400 | You keep the maximum possible write-off. |
| $535,000 | $30,000 | $9,000 | $31,400 | You lose nearly $10k in tax shield. |
| $570,000 | $65,000 | $19,500 | $20,900 | Nearly half of your benefit has evaporated. |
| $606,333+ | $101,333+ | $30,400 | $10,000 | You are hitting the $10k floor. Strategic planning is required. |
Can you bypass the SALT cap?
As a high earner, you can legally bypass or neutralize the $505,000 SALT phase-out trap through three primary structural tax strategies: Pass-Through Entity (PTE) Tax Elections for Ceres business owners, MAGI suppression tactics like deferred compensation and cash balance plans, and Qualified Charitable Distributions (QCDs) for IRA owners age 70½ and older.
1. The Pass-Through Entity (PTE) tax election SALT cap workaround
If you own an S corporation, LLC, or partnership, over 35 states allow pass-through businesses to pay state income taxes directly at the entity level.
So, instead of taking a $30,000 state tax payment and claiming it on Schedule A where the $505,000 phaseout eliminates $9,000 of its value, your business pays that $30,000 directly.
Your business gets a 100% uncapped federal deduction, reducing your net business income by $30,000.
This creates a business-level expense that lowers the net pass-through income reported on your Schedule K-1 (Form 1065/1120-S). Effectively, you’re turning a capped personal deduction into a fully deductible, above-the-line business write-off.
And even better: because your net K-1 income is lower, your personal MAGI drops by $30,000. Which helps keep your personal income below the $505,000 trap door so you can still deduct your home property taxes on Schedule A.
2. Review income and deductions through a tax projection
Taxpayers near the SALT phaseout threshold should prepare a tax projection using their anticipated income, business activity, itemized deductions, and other relevant tax information. The projection can show how changes in MAGI may affect the available SALT deduction and whether additional tax-planning steps should be evaluated.
Every dollar of income you suppress below $505,000 does double duty: it saves you taxes at your highest tax bracket and prevents 30 cents of your personal SALT deduction from disappearing.
3. Qualified Charitable Distributions (QCDs) for Retirees
A Qualified Charitable Distribution (QCD) allows you to send money directly from your Traditional IRA to a 501(c)(3) nonprofit.
- You can donate up to $111,000 per individual ($222,000 for married couples filing jointly) via QCDs in 2026.
- If you’re age 73 or older, the transfer satisfies your Required Minimum Distribution obligations for the year.
- A QCD is an above-the-line exclusion. The funds are transferred directly to charity without ever appearing in your Adjusted Gross Income.
By using a QCD, your RMD transfers never touch your tax return as income. You fulfill your charitable goals, satisfy your mandatory withdrawal, and prevent your IRA from dragging you into the high-earner SALT trap.
What should high earners do before year-end to beat the SALT phase-out?
To protect your tax savings before the temporary $40,400 SALT cap sunsets after 2029, high earners should take four steps before year-end: project 2026 MAGI against the $505,000 phase-out line, model PTE tax elections, stress-test Schedule A deductions for AMT triggers, and execute a multi-year charitable bunching strategy.
Step 1: Run a mid-year MAGI projection
How does the SALT deduction work at your specific income level? We need to calculate your projected Modified Adjusted Gross Income (MAGI) to find that out now.
Because if you’re between $505,000 and $606,333, you’re inside the zone where every dollar earned strips away $0.30 of write-offs. We’ll use a tax projection to evaluate your anticipated income, deductions, and business activity and determine how the SALT phaseout may affect your federal tax calculation.
Or, if you’re well above $606,333, we’ll need to pivot entirely to business-level or above-the-line deduction strategies, since your Schedule A SALT cap has hit the $10,000 floor.
Step 2: Model PTE elections
If you own an S corp, LLC, or partnership, a Pass-Through Entity (PTE) election remains your most powerful weapon against the individual SALT cap.
Many states require PTE elections or mandatory estimated tax payments by specific quarterly deadlines during the tax year, so make sure to check those deadlines.
Also, make sure your home state grants a credit for taxes paid to other states so you don’t save federal tax at the expense of creating a double state tax bill.
Step 3: Stress-test your return for AMT
Before counting on a $40,400 Schedule A SALT deduction to lower your tax bill, we’ll need to run a parallel tax projection to test for Alternative Minimum Tax (AMT) exposure.
If your high property and state income taxes trigger AMT liability, we’ll shift your focus away from Schedule A and toward business-level deductions or pre-tax income deferrals that reduce income for both regular tax and AMT.
Step 4: Time your deductions with a multi-year strategy
With the expanded SALT cap set to reset to $10,000 after 2029, multi-year tax planning is critical.
If the phaseout reduces your available SALT deduction, bunching multiple years of planned charitable contributions into a single tax year may help total itemized deductions exceed the applicable standard deduction. A Donor-Advised Fund may be one method of implementing that contribution-timing strategy.
And when local law allows, we’ll want to time your property tax payments into the tax year where you have the highest itemized capacity.
Final thoughts
Crossing the phaseout threshold can substantially reduce the SALT deduction available on Schedule A.
RLJ Financial Services can prepare a tax projection, evaluate whether an eligible business may benefit from a PTE tax election, and estimate how the SALT phaseout may affect your federal income-tax calculation.
Contact RLJ Financial Services at 209-538-7758.
FAQs
“Can I deduct both state income tax and property tax at the same time?”
Yes, up to your allowable cap limit. You can combine local property taxes with state and local income taxes on Schedule A. However, if you choose to deduct state general sales tax instead of state income tax, you can’t deduct income tax. You have to pick one or the other to combine with your property taxes.
“How can charitable bunching help if my SALT cap is phased down?”
If the $505,000 phase-out pulls your allowable SALT cap down near the $10,000 floor, your combined itemized expenses may fall short of the $32,200 joint standard deduction. Bunching multiple years of planned charitable contributions into a single tax year may increase total itemized deductions for that year. A Donor-Advised Fund may facilitate this timing strategy, although the tax result depends on the taxpayer’s other deductions and complete circumstances.
“How does the SALT deduction work for non-itemizers?”
The SALT deduction is strictly an itemized deduction claimed on Schedule A of Form 1040. If you claim the standard deduction on your tax return, you can’t write off personal state income taxes, sales taxes, or home property taxes.
If you pay state income tax through a Pass-Through Entity (PTE) tax election on an S corporation, LLC, or partnership, that tax is deducted directly on your business return as an above-the-line business expense. This allows business owners to benefit from state tax write-offs even if they take the standard deduction on their personal return.
“Is mortgage interest included in the SALT tax deduction?”
Home mortgage interest and state/local taxes are two completely separate deduction categories on Schedule A. The SALT deduction covers state/local income or sales taxes plus real estate and personal property taxes, capped at $40,400 for tax year 2026. Whereas the mortgage interest deduction covers interest paid on qualified home acquisition debt and is not subject to the SALT cap. Mortgage interest does, however, works alongside your SALT deduction to help you clear the standard deduction hurdle.
Disclosure: Generally, a donor advised fund is a separately identified fund or account that is maintained and operated by a section 501(c)(3) organization, which is called a sponsoring organization. Each account is composed of contributions made by individual donors. Once the donor makes the contribution, the organization has legal control over it. However, the donor, or the donor’s representative, retains advisory privileges with respect to the distribution of funds and the investment of assets in the account. Donors take a tax deduction for all contributions at the time they are made, even though the money may not be dispersed to a charity until much later.
This material is provided for informational and educational purposes only.
Sources:
- Statutory & Federal Tax Law Authorities: IRC § 164(b)(6) (SALT deduction cap and phase-out rules), IRC §§ 162, 702, and 1366 (pass-through entity deduction rules), IRC § 408(d)(8) (Qualified Charitable Distributions), IRC §§ 55–59 (Alternative Minimum Tax), and IRC §§ 170 and 4966(d)(2) (charitable contributions and Donor-Advised Funds).
- Official IRS Guidance: IRS Notice 2020-75 (Pass-Through Entity Tax elections) and the 2026 Form 1040-ES Instructions.
- IRS Forms Referenced: Form 1040 Schedule A, Schedule K-1 (Forms 1065/1120-S), and Form 6251.