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Northrop Grumman

Eligible property owners in Canoga Park and Winnetka, California, affected by soil and groundwater contamination may receive benefits from this class action settlement.

Active settlementCalifornia onlyClaim deadline: October 10, 2026Estimated payout: Varies34 days left

About this settlement

Alleged soil and groundwater contamination from Northrop Grumman in Canoga Park and Winnetka, California.

This settlement addresses claims of soil and groundwater contamination in Canoga Park and Winnetka, California, allegedly caused by Northrop Grumman. Eligible current and former property owners can file a claim for benefits.

Eligibility requirements

You may be eligible if you:

  • Current owners of eligible single-family homes or townhomes in Canoga Park and Winnetka as of Aug. 11, 2026.
  • Former owners of eligible single-family homes or townhomes who owned the property as of July 1, 2024, but have since sold it.

What you'll need

  • Basic contact information
  • Owners as of Aug. 11, 2026, or owners as of July 1, 2024, who have since sold their property.
  • Proof of purchase or supporting documents

Proof details

Proof of ownership, such as a copy of the property deed, mortgage statement, property tax bill, utility bill or other document that establishes the claimant’s ownership of the property and the dates of ownership.

If you do not have every document, you may still be able to file. Many settlements accept claims without receipts.

How to claim

  • Visit the official settlement website to confirm eligibility.
  • Complete and submit the online claim form.
  • Provide documentation such as a deed, mortgage statement, or tax bill as proof of ownership.

Frequently asked questions

How long does it take?

Most claims can be completed in 10-12 minutes.

What do I need to file?

Proof of ownership, such as a copy of the property deed, mortgage statement, property tax bill, utility bill or other document that establishes the claimant’s ownership of the property and the dates of ownership.

What is the deadline?

The current claim deadline is October 10, 2026.

Varies

Claim deadline: October 10, 2026

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