Illinois Property Disclosure Statement

Under the Illinois Residential Real Property Disclosure Act (765 ILCS 77/1 et seq.), a seller of residential real property consisting of one to four dwelling units must complete and deliver a written disclosure report to the prospective buyer before the buyer signs a contract to purchase. The disclosure is limited to conditions within the seller's actual knowledge. The seller is not required to conduct an independent inspection.

This document provides a complete Illinois Residential Real Property Disclosure Report form with all statutory categories, plus related required or recommended disclosures (lead-based paint, radon, smoke/CO detectors). Use it for residential resale transactions.

Key Legal Requirements, 765 ILCS 77

• The seller shall complete the disclosure report described in Section 35 and deliver it to the buyer before signing a contract.
• Disclosure is based on the seller's actual knowledge; the seller is not liable for unknown conditions.
• If a material defect or condition changes after signing the report but before closing, the seller must supplement the disclosure.
• The buyer may terminate the contract within three (3) business days after receiving the disclosure if the contract is signed before delivery (certain exceptions apply).
• The form must include or attach a copy of the relevant portions of the Act.
• Failure to provide the disclosure as required may give the buyer remedies including rescission or damages.

Property Type: One to four residential units (single-family, townhouse, condo unit, duplex, etc.)

Transaction: [[Residential Resale / Other as applicable]], -

Seller and Property Identification

Property Address:
[[Street Address]]
[[City]], Illinois [[ZIP Code]]
County: [[County Name]]

Legal Description (or attach): [[Legal Description or "See attached Exhibit A"]]

Seller(s) Full Legal Name(s):
[[Seller 1 Full Name]]
[[Seller 2 Full Name (if any)]]

Date Seller(s) Acquired the Property: [[Acquisition Date or "Unknown to current seller"]]

Seller Occupied the Property During the Last 12 Months? [[Yes / No]]

Property is: [[Single-family detached / Townhouse / Condominium unit / Duplex / Triplex / Fourplex / Other: [[Describe]]]], -

Residential Real Property Disclosure Report

NOTICE: THE PURPOSE OF THIS REPORT IS TO PROVIDE PROSPECTIVE BUYERS WITH INFORMATION ABOUT MATERIAL DEFECTS IN THE RESIDENTIAL REAL PROPERTY. THIS REPORT DOES NOT CONSTITUTE A WARRANTY OF ANY KIND BY THE SELLER OR BY ANY AGENT REPRESENTING THE SELLER. THE DISCLOSURES IN THIS REPORT ARE BASED ON THE SELLER'S ACTUAL KNOWLEDGE AND THE SELLER IS NOT REQUIRED TO CONDUCT ANY INVESTIGATION OR INSPECTION.

Complete every item. If an item does not apply, mark "N/A". If the seller has no actual knowledge, mark the appropriate box. Provide explanations where indicated.

1. Seller Occupancy Has the seller occupied the property during the last 12 months? [[Yes / No]]

If yes, approximate dates of occupancy: [[Dates]]

2. Basement, Crawlspace, or Slab, Water / Moisture / Flooding Has there been any flooding, leakage, or water intrusion in the basement, crawlspace, or slab? [[Yes / No / Unknown / N/A]]

Explanation or details (including dates, causes, repairs): [[Detailed explanation or "None"]]

3. Flood Plain or Flood Insurance Is the property located in a flood plain or flood hazard area? Is there a current flood insurance policy? [[Yes / No / Unknown]]

Details: [[Policy number, carrier, or location details or "None"]]

4. Foundation, Basement, or Slab Defects Are there any known defects or material problems with the foundation, basement walls, slab, or structural supports? [[Yes / No / Unknown]]

Explanation: [[Details or "None"]]

5. Roof, Ceilings, Chimney, or Attic Are there any known leaks, defects, or material problems with the roof, ceilings, chimney, flashing, or attic (including ventilation or insulation)? [[Yes / No / Unknown]]

Details and age of roof if known: [[Details or "None"]]

6. Walls, Floors, or Ceilings (Interior) Are there known defects, cracks, settling, or material problems with interior walls, floors, or ceilings (other than cosmetic)? [[Yes / No / Unknown]]

Explanation: [[Details or "None"]]

7. Exterior Walls, Siding, Windows, or Doors Are there known defects or material problems with exterior siding, brick, stucco, windows, doors, or seals? [[Yes / No / Unknown]]

Details: [[Details or "None"]]

8. Plumbing System Are there known defects or material problems with the plumbing system (pipes, drains, fixtures, water heater, septic, or well)? [[Yes / No / Unknown]]

Details (including any recent repairs or replacements): [[Details or "None"]]

9. Electrical System Are there known defects or material problems with the electrical system, wiring, panels, outlets, or service capacity? [[Yes / No / Unknown]]

Details: [[Details or "None"]]

10. Heating and Cooling (HVAC) Are there known defects or material problems with the heating, ventilation, or air conditioning systems? [[Yes / No / Unknown]]

Details (type, age, recent service): [[Details or "None"]]

11. Appliances Included Are all appliances being sold with the property in good working order? List any known defects. [[Yes / No / N/A]]

Defective or excluded appliances: [[List or "All in working order"]]

12. Water Supply (Municipal or Well) Is the water supply municipal or from a private well? Any known problems with quality, pressure, or quantity? [[Municipal / Private Well / Other]]

Known problems: [[Details or "None"]]

13. Sewer or Septic System Is the property connected to municipal sewer or a private septic system? Any known problems? [[Municipal Sewer / Private Septic / Other]]

Known problems or last service: [[Details or "None"]]

14. Drainage, Grading, or Soil Conditions Are there known drainage problems, standing water, erosion, or unstable soil conditions affecting the property? [[Yes / No / Unknown]]

Details: [[Details or "None"]]

15. Structural, Load-Bearing, or Settlement Issues Are there known material structural defects, excessive settlement, or cracks in load-bearing elements? [[Yes / No / Unknown]]

Details: [[Details or "None"]]

16. Hazardous Materials or Conditions (including asbestos, lead, radon, mold, etc.) Are you aware of any hazardous materials or conditions on or affecting the property (asbestos, lead paint, radon, mold, underground storage tanks, contaminated soil, etc.)? [[Yes / No / Unknown]]

Details: [[Details or "None"]]

17. Boundary Lines, Encroachments, or Disputes Are you aware of any boundary disputes, encroachments, shared driveways, easements, or survey issues? [[Yes / No / Unknown]]

Details: [[Details or "None"]]

18. Zoning, Building Code, or Permit Violations Are you aware of any zoning violations, unpermitted work, or code violations affecting the property? [[Yes / No / Unknown]]

Details: [[Details or "None"]]

19. Homeowners Association / Condominium / Common Interest Community Is the property subject to an HOA, condominium association, or other common interest community? [[Yes / No]]

If yes, provide name and contact: [[HOA Name and Contact Info]]

Are there any known special assessments, pending litigation, or material issues with the association?
[[Yes / No / N/A]]

Details: [[Details or "None"]]

20. Insurance Claims or Losses Has the property been the subject of any insurance claim for damage (fire, water, wind, hail, etc.) in the last five years? [[Yes / No / Unknown]]

Details and outcome: [[Details or "None"]]

21. Pests, Termites, or Wood-Destroying Insects Are you aware of any current or past infestation or damage from termites, carpenter ants, rodents, or other pests? [[Yes / No / Unknown]]

Details and treatment history: [[Details or "None"]]

22. Other Material Defects or Conditions Are you aware of any other material defects or conditions that would significantly affect the value, use, or desirability of the property that have not been disclosed above? [[Yes / No]]

If yes, describe in detail: [[Full description or "None"]]

23. Additional Comments or Attachments Provide any additional explanations, reports, or documents attached (inspection reports, repair receipts, surveys, etc.): [[Additional comments or "See attached documents listed below"]]

List of Attachments Provided with this Disclosure:
[[List attachments or "None"]], -

Seller Certification

I/We, the undersigned seller(s), certify that the information provided in this Illinois Residential Real Property Disclosure Statement is true and complete to the best of my/our actual knowledge as of the date signed. I/We understand that this disclosure is not a warranty and that a prospective buyer may terminate the purchase contract under certain circumstances if this disclosure is not provided as required by law.

Seller Signature: ________________________________________ Date: [[Seller 1 Signature Date]]
Printed Name: [[Seller 1 Printed Name]]

Seller Signature: ________________________________________ Date: [[Seller 2 Signature Date]]
Printed Name: [[Seller 2 Printed Name]], -

Buyer Acknowledgment

I/We, the undersigned buyer(s), acknowledge that I/we have received a copy of this completed Illinois Residential Real Property Disclosure Statement (and any attachments) prior to signing a purchase contract for the property, or within the timeframe required by 765 ILCS 77. I/We have had the opportunity to review the information and to conduct further inspections or investigations as desired.

Buyer Signature: ________________________________________ Date: [[Buyer 1 Signature Date]]
Printed Name: [[Buyer 1 Printed Name]]

Buyer Signature: ________________________________________ Date: [[Buyer 2 Signature Date]]
Printed Name: [[Buyer 2 Printed Name]], -

Related Required Disclosures (Lead-Based Paint, Radon, Detectors)

Lead-Based Paint Disclosure (Federal, 42 U.S.C. 4852d and 24 CFR Part 35)
For housing built before 1978, federal law requires disclosure of known lead-based paint and/or lead-based paint hazards, provision of available records and reports, and the EPA pamphlet "Protect Your Family From Lead in Your Home."

• Housing built before 1978? [[Yes / No / Unknown]]
• Known lead-based paint and/or hazards: [[Yes / No / Unknown / Seller has no knowledge]]
• Records and reports available: [[List or "None provided to seller"]]
• Buyer received EPA pamphlet: [[Yes, Date: [[Date]]]]

Radon Disclosure
Illinois requires certain radon disclosures in some transactions. Sellers should disclose known radon test results or mitigation systems.

• Property has been tested for radon? [[Yes / No]]
• Test results (if known): [[pCi/L level or "N/A"]]
• Mitigation system installed? [[Yes / No]]
• Details: [[Details]]

Smoke Detector and Carbon Monoxide Alarm Requirements
Illinois law (425 ILCS 60/ and 425 ILCS 67/) requires working smoke detectors and carbon monoxide alarms in residential properties. Sellers should confirm compliance.

• Working smoke detectors installed on every level and outside sleeping areas? [[Yes / No]]
• Working carbon monoxide alarms installed as required? [[Yes / No]]
• Notes: [[Notes]], -

Pre-Closing Checklist for Seller

1. Answer every question based on actual knowledge only; do not guess or speculate.

2. Attach any known reports, repair invoices, inspection results, or surveys that support answers.

3. Update or supplement the disclosure promptly if conditions change before closing.

4. Deliver the completed form to the buyer before the buyer signs the purchase contract (or within required window).

5. Retain a signed copy for your records.

6. Provide copies of any association documents, surveys, or permits when requested., -

Illinois Property Disclosure Statutory Reference Table

Disclaimer and Sources

Template, not professional legal advice. This is a sample disclosure form only. The Illinois Residential Real Property Disclosure Act (765 ILCS 77) governs the required form and delivery. Federal lead-paint rules apply to pre-1978 housing. Local requirements or association rules may add obligations. Sellers and buyers should consult a licensed Illinois real estate attorney or review the current statutes on ILGA.gov. The disclosure is based solely on the seller's actual knowledge and is not a substitute for professional inspections.

Sources (as of June 2026):
- 765 ILCS 77/1 et seq., Residential Real Property Disclosure Act (ILGA.gov)
- Illinois REALTORS® sample Residential Real Property Disclosure Report
- Federal Lead-Based Paint Disclosure requirements (HUD/EPA)
- 420 ILCS 46/, Radon awareness
- 425 ILCS 60/ and 425 ILCS 67/, Smoke detector and carbon monoxide alarm laws

*End of Illinois Property Disclosure Statement*