Quick Answer
The 2026 SALT deduction cap increased to $20,000 for married filing jointly and $10,000 for single filers, compared to the universal $10,000 cap from 2018-2025. However, it's still far below the unlimited SALT deduction that existed before 2018.
Best Answer
Robert Kim, CPA
Taxpayers who itemize deductions and pay state and local taxes
How the SALT deduction caps compare across tax law eras
The SALT (State and Local Tax) deduction has been a political and financial football for nearly a decade. Here's how the caps have evolved and what it means for your tax bill.
Pre-2018 (unlimited deduction): Before the Tax Cuts and Jobs Act, there was no cap on SALT deductions. If you paid $25,000 in state income tax and $15,000 in property tax, you could deduct the full $40,000.
2018-2025 ($10,000 universal cap): The TCJA imposed a $10,000 cap regardless of filing status. A single person and a married couple filing jointly both faced the same $10,000 limit.
2026+ (graduated caps): The One Big Beautiful Bill Act increased the caps but kept them limited:
Example: $150,000 household in New Jersey
Let's see how a married couple earning $150,000 in New Jersey (high-tax state) fares under each system:
Annual tax burden:
Deduction allowed:
Tax impact at 24% bracket:
Key factors that determine your benefit
State tax environment matters most. High-tax states like California, New York, New Jersey, and Connecticut see the biggest impact. Texas and Florida residents (no state income tax) mainly benefit from property tax deductions.
Filing status creates different outcomes. The doubling of the MFJ cap means married couples get proportionally more relief than single filers.
Income level affects the math. Higher earners in high-tax states see larger absolute dollar benefits, but the deduction phases out at very high incomes due to other limitations.
What you should do
Run both scenarios (itemizing vs standard deduction) for 2026. The increased SALT cap makes itemizing worthwhile for more taxpayers, especially married couples in high-tax states.
Use our return scanner to identify if you were hit by the old SALT cap and estimate your 2026 savings.
Key takeaway: Married couples can now deduct up to $20,000 in state and local taxes (double the 2018-2025 limit), potentially saving $2,000+ annually for households in high-tax states.
*Sources: [IRS Publication 17](https://www.irs.gov/pub/irs-pdf/p17.pdf), One Big Beautiful Bill Act of 2025*
Key Takeaway: The 2026 SALT cap doubles to $20,000 for married couples, potentially saving $2,000+ annually for households in high-tax states compared to the 2018-2025 period.
SALT deduction caps across different tax law periods
| Period | Single Filers | Married Filing Jointly | Impact on $150K NJ Couple |
|---|---|---|---|
| Pre-2018 | Unlimited | Unlimited | $0 additional tax |
| 2018-2025 | $10,000 | $10,000 | +$2,040 annual tax |
| 2026+ | $10,000 | $20,000 | $0 additional tax (restored) |
More Perspectives
Michelle Woodard, JD
Taxpayers earning $200,000+ who are most affected by SALT limitations
Why high earners still face SALT challenges in 2026
While the increased caps provide relief, high earners in expensive states still hit limitations that didn't exist pre-2018.
The math for a $500,000 household in California:
At the 37% marginal rate, that's $12,950 in additional annual federal tax compared to unlimited deduction years.
Strategic considerations
Consider these advanced planning moves:
The partial relief helps, but high earners in expensive states still face a substantial tax increase compared to pre-2018 rules.
Key takeaway: High earners still lose significant SALT benefits despite the 2026 increases — a $500K California household still pays ~$13K more annually than under unlimited deduction rules.
Key Takeaway: High earners still lose significant SALT benefits despite the 2026 increases — a $500K California household still pays ~$13K more annually than under unlimited deduction rules.
Robert Kim, CPA
Families with children who benefit from both SALT changes and other family tax provisions
How families benefit from the new SALT rules
Families often live in higher-tax areas for school quality, making SALT deductions especially valuable. The 2026 changes provide meaningful relief for typical family situations.
Example: Family of four earning $120,000 in Illinois
Under different caps:
Combination with other family benefits
The SALT relief stacks with enhanced family tax benefits in 2026:
Planning tip: The restored SALT deduction makes itemizing more attractive for families, potentially revealing other missed deductions like charitable giving or mortgage interest.
Key takeaway: Families in good school districts (high property tax areas) see the most benefit — typical savings of $2,000+ annually from the doubled MFJ SALT cap.
Key Takeaway: Families in good school districts (high property tax areas) see the most benefit — typical savings of $2,000+ annually from the doubled MFJ SALT cap.
Sources
- IRS Publication 17 — Your Federal Income Tax (For Individuals)
- IRS Schedule A Instructions — Instructions for Schedule A (Itemized Deductions)
Reviewed by Robert Kim, CPA on February 28, 2026
This content is for educational purposes only and is not a substitute for professional tax advice. Consult a qualified tax professional for advice specific to your situation.