California Seller Disclosures: The Complete Checklist
Every required disclosure form in a California transaction what must be included and the risk of omitting items.
By Shasta Greene · February 20, 2026 · 7 min read
Selling a home in California means navigating a complex web of disclosure requirements. As a seller, you're legally obligated to reveal known defects and property conditions to buyers—and failing to do so can result in lawsuits, fines, and transaction delays. This guide walks you through every required disclosure form, what must be included, and why each matters for your Orange County sale.
The Transfer Disclosure Statement (TDS)
The TDS is the cornerstone of California disclosures. You must complete this form within one to three days of accepting an offer, detailing the property's condition across multiple categories including structural, electrical, plumbing, and pest issues. This 8-page document requires you to mark each item as 'yes,' 'no,' or 'unknown.' Vague or incomplete answers create liability risks.
- Disclose all known defects in systems, roof, foundation, and interior
- Be honest about water intrusion, flooding, or drainage issues
- Note any prior damage, repairs, or renovations without permits
- Indicate if you've received complaints or notices from HOAs or municipalities
Property Condition Disclosure & Natural Hazard Disclosures
Beyond the TDS, California requires specific natural hazard disclosures if your property falls within affected zones. Orange County sellers must disclose proximity to earthquake faults, flood zones, fire hazard areas, and former mining operations. These aren't optional—they're mandated by state and local law and directly impact buyer safety perception and insurance rates.
- Natural Hazard Disclosure Statement (required statewide)
- Flood Plain Zone Disclosure (if applicable in your area)
- Fire Hazard Zone Disclosure (critical for inland Orange County properties)
- Seismic Hazards Disclosure (earthquake fault zones)
- MUD/SLO disclosures for mountain communities
HOA & Environmental Disclosures
If your Orange County home is in a homeowners association, you must provide the Homeowners Association Transfer Disclosure Document, including CC&Rs, bylaws, financials, and reserve studies. Environmental disclosures cover lead-based paint, mold, and radon. These documents protect buyers and shield you from claims of non-disclosure.
- HOA Resale Certificate with current fees and special assessments
- Lead-Based Paint Disclosure (homes built pre-1978)
- Mold Hazard Disclosure (if you've experienced water damage)
- Radon Gas Testing Information (if known or required locally)
Local Orange County-Specific Disclosures
Orange County has unique disclosure requirements depending on your city. Coastal properties require Coastal Commission disclosures. Irvine and other master-planned communities have specific CC&R obligations. Some municipalities require methamphetamine lab testing or airport noise disclosures. Always confirm your city's requirements with your agent.
- Coastal Property Disclosure (if within coastal zone)
- Methamphetamine Contamination Statement (select areas)
- Airport Noise Disclosure (for properties near John Wayne Airport)
- Aerospace/Military Impact Disclosures (Mission Viejo, Irvine areas)
- Subdivision-specific requirements (master-planned communities)
Selling strategically means disclosing completely. While it's tempting to minimize known issues, California law protects both buyers and sellers when information flows freely. The most successful Orange County transactions happen when sellers partner with agents who understand every disclosure requirement and guide them through the process thoughtfully and thoroughly.
Shasta Greene is an Orange County, California real estate advisor and REALTOR®, DRE #02174153.