📋 What is Seller Nondisclosure?

Seller nondisclosure occurs when a home seller fails to reveal known material defects or problems with the property before the sale closes. Under California law, sellers have a legal duty to disclose all known material facts that could affect the property's value or desirability. When sellers hide defects, buyers can sue to recover the cost of repairs, diminished property value, and in some cases, rescind the entire transaction.

When to Use This Guide

Use this guide if you discovered any of the following after purchasing your California home:

🏗 Structural Defects

Foundation cracks, settling, roof damage, framing issues, or structural instability

💧 Water Damage/Mold

Hidden water intrusion, flooding history, mold infestations, or plumbing leaks

🐛 Pest Infestations

Termite damage, rodent infestations, or wood-destroying organisms

⚠ Material Facts

Deaths on property, neighborhood nuisances, pending litigation, or permit issues

👍 What You Can Recover in Nondisclosure Cases

  • Cost of repairs - What it costs to fix the undisclosed defects
  • Diminished value - Reduction in property value due to defects
  • Rescission - Undo the entire sale in serious cases
  • Consequential damages - Temporary housing, storage, related costs
  • Attorney fees - If provided in purchase contract

Common Nondisclosure Issues

🏠 Foundation & Structural Problems

Foundation cracks, settling, shifting, or repairs that were made but not disclosed. Structural issues with load-bearing walls, roof framing, or earthquake damage. Sellers must disclose any known foundation problems, even if previously repaired.

💧 Water Intrusion & Mold

Leaky roofs, basement flooding, plumbing failures, or moisture problems that led to mold. California sellers must disclose any history of water damage or mold, even if remediated. Hidden water stains, patched drywall, or fresh paint covering damage are red flags.

🐛 Pest & Termite Damage

Active or past termite infestations, wood-destroying organisms, rodent infestations, or pest damage to structural components. Even if treated, past infestations and damage must be disclosed. Section 1 clearances and pest reports are typically required.

🏙 Neighborhood & Environmental Issues

Nuisance neighbors, noise issues, flooding zones, soil contamination, nearby environmental hazards, planned construction, or zoning changes. Material facts affecting desirability must be disclosed even if not physical defects.

📜 Permit & Legal Issues

Unpermitted additions, renovations done without proper permits, code violations, HOA disputes, boundary disputes, or pending litigation affecting the property. Buyers can be held responsible for bringing unpermitted work up to code.

⚠ Time Limits Apply

California has a 3-year statute of limitations from when you discovered or should have discovered the defect (Code of Civil Procedure 338(d)). For fraud claims, you have 3 years from discovery. Do not delay in taking action once you discover undisclosed defects.

Evidence Checklist

Gather these documents and evidence before sending your demand letter. Click to check off items as you collect them.

📄 Transaction Documents

  • Purchase agreement and all addenda
  • Transfer Disclosure Statement (TDS) from seller
  • Seller Property Questionnaire (SPQ)
  • Agent Visual Inspection Disclosure (AVID)

🔍 Inspection Reports

  • Pre-purchase home inspection report
  • Pest/termite inspection report (Section 1)
  • Post-purchase inspection documenting defects
  • Specialist reports (structural, mold, etc.)

📷 Defect Documentation

  • Photos and videos of all defects discovered
  • Repair estimates from licensed contractors
  • Invoices for any repairs already completed
  • Expert opinions on when defects likely originated

📈 Evidence of Seller Knowledge

  • Prior repair receipts or permits (check city records)
  • Seller's prior insurance claims on property
  • Neighbor statements about known issues
  • Evidence of fresh paint, patching, or cover-ups

🔒 Preserve All Evidence

Do not destroy or alter any evidence of the defects before properly documenting them. Take extensive photos and videos. Get professional inspections. Keep all receipts. This evidence proves both the defect and that the seller should have known about it.

💰 Calculate Your Damages

In seller nondisclosure cases, you can recover damages to make you whole. Here are the categories of recovery available under California law.

Category Description
Cost of Repairs The reasonable cost to repair or remediate the undisclosed defects
Diminished Value Difference between price paid and actual value with defects known
Consequential Damages Temporary housing, storage, lost rental income during repairs
Rescission Undo the sale entirely - return property, get purchase price back
Attorney Fees If purchase contract has attorney fee provision (most CAR forms do)

💰 Two Measures of Damages

California allows either: (1) Benefit of the bargain - the difference between what you paid and the property's actual value; or (2) Out-of-pocket - the cost to repair defects. You may choose whichever measure results in greater recovery.

📊 Sample Damages Calculation

Example: Undisclosed Water Damage & Mold

Mold remediation $28,000
Water intrusion repairs (roof, flashing) $15,000
Drywall replacement and painting $12,000
Temporary housing during remediation (2 months) $6,000
Storage for belongings $1,200
Inspection and expert fees $2,500
TOTAL DAMAGES $64,700

When Rescission May Be Available

Rescission (unwinding the entire sale) may be available when:

  • Defects are so severe the property is substantially different from what was represented
  • Repairs would cost a significant percentage of the purchase price
  • The seller actively concealed or committed fraud
  • You can tender return of the property in substantially similar condition

💡 Market Value Considerations

Even if you can repair defects, the property may have diminished value due to stigma (e.g., known mold history, foundation problems). An appraiser can help establish this "stigma damage" as part of your claim.

📝 Sample Language

Copy and customize these paragraphs for your demand letter.

Opening Paragraph
I am writing regarding the property located at [PROPERTY ADDRESS], which I purchased from you on [CLOSING DATE]. Since taking possession, I have discovered serious defects that you failed to disclose in violation of California Civil Code sections 1102-1102.17 and your common law duty to disclose material facts.
Defect Description - Water/Mold
Specifically, I have discovered [extensive water damage and mold contamination / describe specific defects] that you knew about but failed to disclose on the Transfer Disclosure Statement. Evidence of your knowledge includes [fresh paint over water stains / prior repair receipts / neighbor statements / evidence of cover-up]. On your TDS, you checked "No" to questions about water intrusion, flooding, and drainage issues, despite your actual knowledge of these conditions.
Defect Description - Structural
A professional structural engineer has determined that the foundation has [significant cracking / settling / describe specific issues] that predates my purchase. Your Transfer Disclosure Statement failed to disclose any foundation problems, settling, or soil issues, despite [evidence seller knew - prior repairs, permits, visible signs that were concealed]. This constitutes a material misrepresentation under California law.
Legal Basis
Under California Civil Code section 1102 et seq., sellers of residential real property are required to disclose all known material defects. Your failure to disclose constitutes fraud and breach of your statutory disclosure obligations. See Lingsch v. Savage (1963) 213 Cal.App.2d 729 (silence can constitute fraud where duty to disclose exists); Shapiro v. Sutherland (1998) 64 Cal.App.4th 1534 (sellers must disclose material facts affecting property desirability). You are liable for all damages I have suffered as a result of your nondisclosure.
Demand and Deadline
I hereby demand payment of $[TOTAL DAMAGES AMOUNT] to compensate me for the cost of repairs, consequential damages, and diminished property value resulting from your failure to disclose known defects. This amount includes $[REPAIR COSTS] for necessary repairs, $[CONSEQUENTIAL DAMAGES] for temporary housing and related expenses, and $[OTHER DAMAGES] for [inspection fees / etc.]. Payment must be received within [30 DAYS] of the date of this letter. If I do not receive full payment by this deadline, I will pursue all available legal remedies, including filing a lawsuit seeking damages and attorney fees as provided in our purchase agreement.

🚀 Next Steps

What to do after sending your demand letter.

Expected Timeline

Days 1-5

Seller receives and reviews your demand letter

Days 5-20

Seller may consult attorney, investigate claims

Days 20-30

Response with payment, counteroffer, or denial

If They Don't Pay

  1. Consult a Real Estate Litigation Attorney

    Many work on contingency for strong nondisclosure cases. If your purchase contract has an attorney fee provision, you may recover your legal costs.

  2. Consider Mediation

    Many California purchase contracts require mediation before litigation. This can be faster and less expensive than a lawsuit.

  3. File a Lawsuit

    Claims under $12,500 can go to Small Claims Court. Larger claims are filed in Superior Court. You can sue both the seller and their real estate agent if the agent failed inspection duties.

  4. File a DRE Complaint

    If a real estate agent was involved, file a complaint with the California Department of Real Estate. This creates regulatory pressure and documents the misconduct.

Need Legal Help?

Nondisclosure cases require proving what the seller knew and when. Get a 30-minute strategy call with an attorney to evaluate your case and next steps.

Book Consultation - $125

California Resources

  • CA Dept. of Real Estate: dre.ca.gov - File complaints against agents/brokers
  • DRE Public Inquiry Line: 1-877-373-4542
  • State Bar Lawyer Referral: calbar.ca.gov
  • California Civil Code 1102: leginfo.legislature.ca.gov
  • Local Building Department: Check permit history on property