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Margin Interest Deduction in Maryland 2026

Calculate your margin interest deduction tax savings in Maryland. With Maryland's 5.75% top state tax rate, your combined savings are higher.

Maryland Tax Overview

State Income Tax
5.75%
progressive
Sales Tax
6%
avg combined: 6%
Property Tax Rate
1.05%
Median Income
$90,203

8 brackets. County taxes add 2.25-3.20%. Both estate AND inheritance tax. Low standard deduction.

Maryland Income Tax Brackets (Single)

2%
$0 - $1,000
3%
$1,000 - $2,000
4%
$2,000 - $3,000
4.75%
$3,000 - $100,000
Your bracket
5%
$100,000 - $125,000
5.25%
$125,000 - $150,000
5.5%
$150,000 - $250,000
5.75%
$250,000 +
$1,338
Est. Total Savings
No Limit
Max Deduction
Itemized
Deduction Type
26.8%
Combined Tax Rate

Margin Interest Deduction Savings Calculator for Maryland

$
$

Federal Savings

$1,100

22% bracket

Maryland State

$238

4.75% rate

Total Savings

$1,338

26.8% combined

At a 26.8% combined tax rate in Maryland, every $1,000 in deductions saves you $268 in taxes.

Savings by Tax Bracket in Maryland

10%
$738
12%
$838
22%
$1,338
24%
$1,438
32%
$1,838
35%
$1,988
37%
$2,088

Includes 4.75% Maryland state tax on top of federal savings.

Eligibility Requirements

Investors who borrow on margin to purchase taxable investments

  • 1Must itemize deductions
  • 2Limited to net investment income
  • 3Cannot use for tax-exempt investments
  • 4Excess carries forward to future years

Maryland residents should verify that this deduction is also recognized on their state tax return for additional savings of up to 5.75%.

Common Mistakes to Avoid

  • !Deducting margin interest for tax-exempt bond purchases
  • !Not tracking carryforward of excess interest
  • !Forgetting to elect to treat capital gains as investment income
  • !Forgetting to claim the deduction on your Maryland state return (missing up to 5.75% additional savings)

Maryland Filing Tips

Total tax includes state and county. County tax adds significantly. Both estate and inheritance taxes apply. Low standard deduction makes itemizing worthwhile. Retirement income subtraction available for 65+.

Required Tax Forms

Form 4952Schedule A

File these forms with your federal tax return to claim the margin interest deduction. Maryland may require additional state-specific forms.

Other Tax Deductions in Maryland

Capital Loss Deduction

Investment

~$803
est. savings

Tax-Loss Harvesting

Investment

~$6,080
est. savings

Investment Interest Expense

Investment

~$1,824
est. savings

Qualified Dividend Tax Rate

Investment

~$3,648
est. savings

Opportunity Zone Investment

Investment

~$12,159
est. savings

1031 Like-Kind Exchange

Investment

~$36,477
est. savings

QSBS Exclusion (Section 1202)

Investment

~$121,591
est. savings

Installment Sale

Investment

~$9,727
est. savings

Margin Interest Deduction in Neighboring States

Pennsylvania

3.07% top rate (flat)

~$1,367
+29 vs Maryland

Delaware

6.6% top rate (progressive)

~$1,560
+222 vs Maryland

Virginia

5.75% top rate (progressive)

~$1,514
+176 vs Maryland

West Virginia

5.12% top rate (progressive)

~$1,479
+141 vs Maryland

District of Columbia

10.75% top rate (progressive)

~$1,786
+448 vs Maryland

Tax Calculators for Maryland Cities

BaltimoreColumbiaGermantownSilver SpringFrederickWaldorfEllicott CityGlen BurnieRockvilleBethesda

Calculate Your Full Tax Savings in Maryland

Use our free tax calculators to optimize your entire tax return for Maryland.

Income Tax CalculatorMaryland Income TaxFull Margin Interest Deduction Guide

Frequently Asked Questions

How much can I save with the Margin Interest Deduction in Maryland?

In Maryland, the margin interest deduction can save you an estimated $1,338 per year on a $5,000 deduction. This includes $1,100 in federal tax savings and $238 in Maryland state tax savings at the 4.75% marginal rate. The national average savings is $1,200/year.

What is the Maryland state income tax rate?

Maryland has a progressive income tax system with a top rate of 5.75%. 8 brackets. County taxes add 2.25-3.20%. Both estate AND inheritance tax. Low standard deduction.

Who qualifies for the Margin Interest Deduction in Maryland?

Investors who borrow on margin to purchase taxable investments. The eligibility requirements are the same whether you live in Maryland or another state, as this is a federal tax deduction. However, your total savings will vary based on Maryland's 5.75% top state tax rate.

What tax forms do I need to claim the Margin Interest Deduction in Maryland?

To claim the margin interest deduction, you need to file Form 4952 and Schedule A with your federal return. Maryland residents should also check if the state allows this deduction on their state return for additional savings of up to 5.75%. Filing status affects your deduction limits and tax bracket.

Is the Margin Interest Deduction better in Maryland than in states without income tax?

Yes, Maryland residents benefit more because the state's 5.75% top income tax rate means the deduction reduces both your federal AND state tax liability. In states with no income tax (like Texas, Florida, or Nevada), this deduction only reduces federal taxes. Your combined rate of 26.8% means more savings per dollar deducted.

What is the standard deduction in Maryland for 2026?

Maryland's standard deduction is $2,550 for single filers and $5,150 for married filing jointly. Total tax includes state and county. County tax adds significantly. Both estate and inheritance taxes apply. Low standard deduction makes itemizing worthwhile. Retirement income subtraction available for 65+.

Related Calculators

Capital Loss Deduction in Maryland

Avg savings: $660/year

Tax-Loss Harvesting in Maryland

Avg savings: $5,000/year

Investment Interest Expense in Maryland

Avg savings: $1,500/year

Qualified Dividend Tax Rate in Maryland

Avg savings: $3,000/year

Opportunity Zone Investment in Maryland

Avg savings: $10,000/year

1031 Like-Kind Exchange in Maryland

Avg savings: $30,000/year