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Capital Loss Deduction in California 2026

Calculate your capital loss deduction tax savings in California. With California's 13.3% top state tax rate, your combined savings are higher.

California Tax Overview

State Income Tax
13.3%
progressive
Sales Tax
7.25%
avg combined: 8.68%
Property Tax Rate
0.71%
Median Income
$91,905

Highest state income tax (13.3%). Additional 1% Mental Health Services Tax over $1M. No preferential capital gains rate.

California Income Tax Brackets (Single)

1%
$0 - $10,412
2%
$10,412 - $24,684
4%
$24,684 - $38,959
6%
$38,959 - $54,081
8%
$54,081 - $68,350
9.3%
$68,350 - $349,137
Your bracket
10.3%
$349,137 - $418,961
11.3%
$418,961 - $698,271
12.3%
$698,271 - $1,000,000
13.3%
$1,000,000 +
$939
Est. Total Savings
$3,000
Max Deduction
Above-the-Line
Deduction Type
31.3%
Combined Tax Rate

Capital Loss Deduction Savings Calculator for California

$
$

Federal Savings

$660

22% bracket

California State

$279

9.3% rate

Total Savings

$939

31.3% combined

At a 31.3% combined tax rate in California, every $1,000 in deductions saves you $313 in taxes.

Savings by Tax Bracket in California

10%
$965
12%
$1,065
22%
$1,565
24%
$1,665
32%
$2,065
35%
$2,215
37%
$2,315

Includes 9.3% California state tax on top of federal savings.

Eligibility Requirements

Investors with net capital losses

  • 1$3,000 max per year
  • 2Excess carries forward
  • 3Short-term first

California residents should verify that this deduction is also recognized on their state tax return for additional savings of up to 13.3%.

Common Mistakes to Avoid

  • !Not tracking carryforward
  • !Wash sale violations
  • !Forgetting to claim the deduction on your California state return (missing up to 13.3% additional savings)

California Filing Tips

Maximize tax-deferred contributions. Plan for the additional 1% surcharge over $1M. If leaving California, document your move thoroughly. The FTB aggressively audits departing high-income residents.

Required Tax Forms

Schedule DForm 8949

File these forms with your federal tax return to claim the capital loss deduction. California may require additional state-specific forms.

Other Tax Deductions in California

Tax-Loss Harvesting

Investment

~$7,114
est. savings

Investment Interest Expense

Investment

~$2,134
est. savings

Qualified Dividend Tax Rate

Investment

~$4,268
est. savings

Opportunity Zone Investment

Investment

~$14,227
est. savings

1031 Like-Kind Exchange

Investment

~$42,682
est. savings

QSBS Exclusion (Section 1202)

Investment

~$142,273
est. savings

Installment Sale

Investment

~$11,382
est. savings

NIIT Planning (3.8% Surtax)

Investment

~$7,114
est. savings

Capital Loss Deduction in Neighboring States

Oregon

9.9% top rate (progressive)

~$957
+18 vs California

Nevada

No state income tax

~$660
-279 vs California

Arizona

2.5% top rate (flat)

~$735
-204 vs California

Tax Calculators for California Cities

Los AngelesSan DiegoSan JoseSan FranciscoFresnoSacramentoLong BeachOaklandBakersfieldAnaheim

Calculate Your Full Tax Savings in California

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

Income Tax CalculatorCalifornia Income TaxFull Capital Loss Deduction Guide

Frequently Asked Questions

How much can I save with the Capital Loss Deduction in California?

In California, the capital loss deduction can save you an estimated $939 per year on a $5,000 deduction. This includes $660 in federal tax savings and $279 in California state tax savings at the 9.3% marginal rate. The national average savings is $660/year.

What is the California state income tax rate?

California has a progressive income tax system with a top rate of 13.3%. Highest state income tax (13.3%). Additional 1% Mental Health Services Tax over $1M. No preferential capital gains rate.

Who qualifies for the Capital Loss Deduction in California?

Investors with net capital losses. The eligibility requirements are the same whether you live in California or another state, as this is a federal tax deduction. However, your total savings will vary based on California's 13.3% top state tax rate.

What tax forms do I need to claim the Capital Loss Deduction in California?

To claim the capital loss deduction, you need to file Schedule D and Form 8949 with your federal return. California residents should also check if the state allows this deduction on their state return for additional savings of up to 13.3%. Filing status affects your deduction limits and tax bracket.

Is the Capital Loss Deduction better in California than in states without income tax?

Yes, California residents benefit more because the state's 13.3% 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 31.3% means more savings per dollar deducted.

What is the standard deduction in California for 2026?

California's standard deduction is $5,540 for single filers and $11,080 for married filing jointly. Maximize tax-deferred contributions. Plan for the additional 1% surcharge over $1M. If leaving California, document your move thoroughly. The FTB aggressively audits departing high-income residents.

Related Calculators

Tax-Loss Harvesting in California

Avg savings: $5,000/year

Investment Interest Expense in California

Avg savings: $1,500/year

Qualified Dividend Tax Rate in California

Avg savings: $3,000/year

Opportunity Zone Investment in California

Avg savings: $10,000/year

1031 Like-Kind Exchange in California

Avg savings: $30,000/year

QSBS Exclusion (Section 1202) in California

Avg savings: $100,000/year