SQFT IOTalk about your home
Selling & preparation

Building an open-house preparation checklist for the seller

Essential steps for Illinois sellers to prepare their homes for open houses while managing state disclosure laws and maximizing property presentation appeal.

By SQFT IO · Published · 3 min read

The short answer

Preparing for an open house involves balancing aesthetic presentation with mandatory legal disclosures. Illinois sellers must prioritize transparency regarding material defects as defined by the Residential Real Property Disclosure Act. Organize your checklist to cover both physical staging and documentation readiness, ensuring potential buyers receive accurate information regarding known conditions and potential environmental hazards like radon or lead-based paint.

Prioritizing Mandatory Disclosures

Before opening your doors, verify you have a written disclosure report prepared. Illinois law requires this for most residential property transfers, covering 1-4 units, condos, and co-ops.

List all known material defects, such as conditions affecting safety or value. If you are unsure if an issue is material, consult a professional to avoid potential liability for misrepresentation.

Example: Create a file containing your disclosure report, your Radon Awareness pamphlet, and lead-based paint records for pre-1978 homes. Keep this accessible for interested buyers.

Environmental Hazard Transparency

Provide the required IEMA-OHS radon pamphlet and disclosure forms. While you are not mandated to perform new investigations, you must disclose actual knowledge of radon hazards.

For homes built before 1978, present the Lead-Based Paint Disclosure. Ensure all documentation of past testing or mitigation is ready to present, as buyers have a 10-day period for their own assessments.

Worksheet: Check off each environmental form. Do you have the IEMA-OHS pamphlet? Are all lead records copied and ready to hand out?

Physical Staging for Transparency

Presentation should highlight the home's condition without obscuring potential defects. Clean and declutter to make spaces accessible for thorough viewing.

If your brokerage plan includes professional photography or 3D tours, ensure these represent current conditions accurately. Avoid staged improvements that mask underlying repair needs.

Action: Clear all pathways to utility areas. Ensure the furnace, basement, and attic are reachable, as these are common areas for disclosure verification.

Managing Buyer Inquiries

Expect questions about your disclosures. Respond with the factual information you have already documented. Avoid providing legal or tax advice; direct specific questions to your real estate attorney.

If you discover a new material defect after your report is drafted, you must provide a written supplemental disclosure before closing to protect your legal standing.

Illustrative Planning: Create a simple log to track inquiries from visitors. Note any common concerns regarding property condition that you may need to address in future showings.

Checklist

  • Complete the Residential Real Property Disclosure Act report.
  • Include the IEMA-OHS radon pamphlet and disclosure form.
  • Attach all available lead-based paint records for pre-1978 homes.
  • Prepare a clearly labeled folder with all mandatory disclosure documents.
  • Clear utility and mechanical areas for easy inspector and buyer access.

Common questions

Must I perform a new radon test before an open house?

No. The Illinois Radon Awareness Act requires you to provide disclosure forms and pamphlets, but the law does not mandate that sellers perform new investigations.

Can I sell my home 'as is'?

Yes. The disclosure report does not prevent you from selling in 'as is' condition, but you must still provide the mandatory disclosures of known material defects.

Sources

  1. Illinois Residential Real Property Disclosure ActChecked October 12, 2026
  2. IEMA-OHS — Real estate radon guidanceChecked October 12, 2026
  3. IRS Publication 523 — Selling Your HomeChecked October 12, 2026
  4. EPA — Real estate lead-hazard disclosuresChecked October 12, 2026
  5. SQFT IO — Listing plans and termsChecked October 12, 2026

This guide is general educational content from SQFT IO, prepared with AI assistance. It is not legal, tax or loan advice. Talk with a licensed attorney, tax professional or lender about your situation. SQFT IO Illinois license 478.027617.

All buying and selling guides