State & Local Tax (SALT) Deduction Tax Deduction Calculator & Eligibility
State & Local Tax (SALT) Deduction is a itemized tax deduction for 2026 with up to $40,400. Confirm eligibility, keep the required records, and use Schedule A when claiming it.
Quick Answer
State & Local Tax (SALT) Deduction is a itemized tax deduction for 2026 with up to $40,400. Confirm eligibility, keep the required records, and use Schedule A when claiming it.
Use this page to estimate federal savings, compare tax brackets, check required forms, and avoid common filing mistakes before you claim it.
Eligibility
Taxpayers paying state/local income or sales tax
Tax Savings Calculator
Estimated Tax Savings
$1,100
At the 22% tax bracket, a $5,000 deduction saves you $1,100 in taxes.
Savings by Tax Bracket
Requirements
- 1$40,400 cap ($20,200 married filing separately)
- 2Choose income OR sales tax
- 3Must itemize
- 4MAGI limitation applies, but cap cannot fall below $10,000
Common Mistakes to Avoid
- !Exceeding the SALT cap
- !Not choosing optimal method
IRS Source Check & Audit File
Primary source: IRS Topic 503: Deductible Taxes. The SALT deduction combines state/local income or sales taxes with property taxes and is subject to a $40,400 federal cap for 2026 ($20,200 MFS), reduced for high MAGI but not below $10,000.
Keep the source document and records with the return for the year claimed. If your facts involve business entities, foreign accounts, disaster losses, or retirement conversions, have a CPA or Enrolled Agent review the filing position before submitting.
Methodology & Official Sources for State & Local Tax (SALT) Deduction
How the State & Local Tax (SALT) Deduction works: This federal tax deduction can reduce taxable income before tax brackets are applied when the taxpayer meets the current-year eligibility rules. The exact savings depend on your marginal tax rate, filing status, income, and documentation. Eligibility, limits, and phaseout thresholds are governed by the Internal Revenue Code and updated through IRS forms, instructions, publications, notices, and revenue procedures.
Authoritative sources:
- IRS Publications, official deduction guides
- IRS Forms & Instructions, current year tax forms
- Internal Revenue Code, primary tax law authority
- IRS Interactive Tax Assistant, eligibility self-check
- Taxpayer Advocate Service, IRS dispute resolution
- IRS Free File, free tax filing for eligible taxpayers
Tax Disclaimer: Tax law is complex and changes annually. The information shown reflects current 2026 IRS guidance. For your specific situation, especially if you have business income, foreign accounts, or unusual deductions, consult a licensed CPA, Enrolled Agent (EA), or tax attorney. Errors in deduction claims can trigger audits.
Reviewed by Ines Calloway · Last updated 2026
Required Tax Forms
State & Local Tax (SALT) Deduction by State
State-specific pages are published only when we have a reviewed state rule or GSC-backed search demand:
Calculate Your Full Tax Savings
Use our free tax calculators to optimize your entire tax return.
State-by-state rules for this deduction
How this deduction applies on each state return.
More state-by-state rules for this deduction
1. Enter the tax scenario
Use the filing status, income type, state, payroll, deduction, credit, or transaction details that match the real case.
2. Review assumptions
Check the visible formula context, source notes, related calculators, and federal or state limits before relying on the estimate.
3. Verify before filing
Confirm final tax positions with IRS guidance, state revenue agencies, payroll records, brokerage forms, or a qualified tax professional.
Planning estimate, not tax advice
LevyIO calculators are educational planning tools. Actual federal, state, payroll, property, sales, and local tax results can change with filing status, credits, deductions, residency, employer withholding, address-level rates, and current forms. Verify final filing positions with IRS or state guidance, payroll records, tax software, or a qualified tax professional.
Frequently Asked Questions
What is the State & Local Tax (SALT) Deduction?
Deduct up to the current combined SALT limit for state/local income or sales taxes plus property taxes.
Who is eligible for the State & Local Tax (SALT) Deduction?
Taxpayers paying state/local income or sales tax
How much can I save with the State & Local Tax (SALT) Deduction?
LevyIO uses $2,200 per year as an illustrative savings example; it is a planning figure, not an IRS or survey average. The maximum deduction is $40,400. Your actual savings depend on your tax bracket and qualifying amount.
What forms do I need for the State & Local Tax (SALT) Deduction?
You'll need to file Schedule A to claim this deduction.
What are common mistakes with the State & Local Tax (SALT) Deduction?
Common mistakes include: Exceeding the SALT cap; Not choosing optimal method. Always double-check requirements before filing.
Is the State & Local Tax (SALT) Deduction worth claiming?
Using LevyIO's illustrative savings example of $2,200, the state & local tax (salt) deduction is worthwhile for most eligible taxpayers. Make sure you meet all eligibility requirements.