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What is a zombie second mortgage, and what can I do about it?

A zombie second mortgage is an old second loan that went quiet for years and then comes back with collection letters or a foreclosure notice. The debt may still be real, so do not ignore it. But since June 30, 2025, a California law, Civil Code section 2924.13, adds new protections against these loans. Get free help fast, before you pay or sign anything.

By Guillermo Serafin, broker and owner of Serve First Realty. Updated October 2026.

What is a zombie second mortgage?

Before the 2008 housing crash, many lenders sold "80-20" loan packages. The first loan paid about 80 percent of the price. A second loan paid the other 20 percent and worked as the down payment.

Many people did not know they had two loans. Others thought a refinance, a loan modification, or a bankruptcy took care of both. Then some second-loan lenders stopped sending statements, sometimes for years. Now that home values have gone up, some of these lenders, or companies that bought the loans, are trying to collect or foreclose. For some families, a foreclosure notice is the first word they have heard about the second loan in years.

Is the old debt still real?

It might be. Do not assume it went away just because nobody called. A long-silent second mortgage should be checked under the new law, not assumed to be gone.

  • Losing the lien is not the same as losing the debt. If a first-loan foreclosure wiped out the second loan's claim on the house, the lender may still try to collect the note itself.
  • A loan modification on your first loan does not stop the second lender from foreclosing. Each lender is separate.
  • Whether a bankruptcy or an old charge-off ended your duty to pay depends on your papers. Someone trained needs to look.

How does the new California law help?

Civil Code section 2924.13 took effect June 30, 2025. It targets the problems that make these loans so unfair. These include:

  • Long stretches when the lender did not contact you at all.
  • Missing notices about who services or owns the loan.
  • Missing monthly or periodic statements.
  • Threats to foreclose after the lender said the loan was written off or discharged, or after the time limit to collect ran out.

Under this law, a lender must record a certification with the Notice of Default and send certain notices by certified mail. The law also gives homeowners a way to ask a court for help before a sale, defenses in a court foreclosure, and other possible relief. One warning: the law protects good-faith buyers at a sale, so it matters to act before the auction.

The California Attorney General also says that lenders who charged off a loan and sent a "Suspension of Statements and Notice of Charge Off" may not be allowed to collect interest for that time. Lenders who went silent for years may also have broken disclosure rules.

What should I do first?

  • Do not ignore the letter. Write down the date you got it and any deadline or sale date on it.
  • Do not pay, sign, or agree to anything yet. Get your papers checked first.
  • Find your old papers: closing papers from when you bought or refinanced, old statements, any charge-off letter, and any bankruptcy papers.
  • Write down when you last got a statement or call about the second loan.
  • Call a free HUD-approved housing counselor at 800-569-4287, or the HOPE Hotline at 888-995-4673.
  • Get legal help. The Attorney General tells homeowners in this spot to seek legal help. Find free legal aid at LawHelpCA.org.
  • If a sale date is set, use our sale date emergency checklist today.

Watch out for scams

A scary letter can bring calls from people who promise to make the loan disappear. California generally prohibits charging homeowners for loan modification or forbearance help before every promised service is fully done, and federal law adds more payment conditions. A real estate license does not create an exception. Never sign over your deed to a "rescuer." See our guide to foreclosure scam red flags.

Will I owe money if the house is sold?

It depends on the loan and what happened before. Our guide Will I still owe money after foreclosure? explains the basics.

General information, not legal advice. Each case is different, and a California attorney should review your papers. Sources: California Civil Code sections 2924.13 and 2944.7; Code of Civil Procedure section 580d; California Attorney General, "Homeowner Issues: Foreclosure Prevention Options, Homeowner Rights, and Loan Modification and Foreclosure Scams" (oag.ca.gov).

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