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Casualty and Theft Losses in California 2026

Calculate your casualty and theft losses 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 +
$1,565
Est. Total Savings
No Limit
Max Deduction
Itemized
Deduction Type
31.3%
Combined Tax Rate

Casualty and Theft Losses Savings Calculator for California

$
$

Federal Savings

$1,100

22% bracket

California State

$465

9.3% rate

Total Savings

$1,565

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

Available to individuals who suffer losses from federally declared disasters. Since 2018, personal casualty losses are only deductible if attributable to a federally declared disaster.

  • 1Loss must result from a federally declared disaster
  • 2Must reduce loss by insurance reimbursements
  • 3Each casualty loss must exceed $100
  • 4Total losses must exceed 10% of AGI

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

  • !Claiming losses not from federally declared disasters
  • !Not filing insurance claims before taking deduction
  • !Incorrect valuation of damaged property
  • !Missing the deadline to amend returns for disaster losses
  • !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

Form 4684Schedule A

File these forms with your federal tax return to claim the casualty and theft losses. California may require additional state-specific forms.

Other Tax Deductions in California

Alimony Payments (Pre-2019 Agreements)

Personal

~$25,609
est. savings

Casualty and Theft Loss (Federal Disaster)

Personal

~$21,341
est. savings

Alimony Paid (pre-2019)

Personal

~$7,114
est. savings

Mortgage Interest Deduction

Housing

~$4,980
est. savings

Property Tax Deduction

Housing

~$3,130
est. savings

Home Office Deduction

Housing

~$1,707
est. savings

Home Energy Tax Credit

Housing

~$1,800
est. savings

Residential Solar Tax Credit

Housing

~$7,500
est. savings

Casualty and Theft Losses in Neighboring States

Oregon

9.9% top rate (progressive)

~$4,350
+2,785 vs California

Nevada

No state income tax

~$3,000
+1,435 vs California

Arizona

2.5% top rate (flat)

~$3,341
+1,776 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 Casualty and Theft Losses Guide

Frequently Asked Questions

How much can I save with the Casualty and Theft Losses in California?

In California, the casualty and theft losses can save you an estimated $1,565 per year on a $5,000 deduction. This includes $1,100 in federal tax savings and $465 in California state tax savings at the 9.3% marginal rate. The national average savings is $3,000/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 Casualty and Theft Losses in California?

Available to individuals who suffer losses from federally declared disasters. Since 2018, personal casualty losses are only deductible if attributable to a federally declared disaster.. 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 Casualty and Theft Losses in California?

To claim the casualty and theft losses, you need to file Form 4684 and Schedule A 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 Casualty and Theft Losses 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

Alimony Payments (Pre-2019 Agreements) in California

Avg savings: $18,000/year

Casualty and Theft Loss (Federal Disaster) in California

Avg savings: $15,000/year

Alimony Paid (pre-2019) in California

Avg savings: $5,000/year

Mortgage Interest Deduction in California

Avg savings: $3,500/year

Property Tax Deduction in California

Avg savings: $2,200/year

Home Office Deduction in California

Avg savings: $1,200/year