Rules by state

Illinois

Illinois handles resale inspections mostly at the municipal level, not through one statewide program. In the official Illinois REALTORS® municipal-inspections handout updated May 2024, some Illinois municipalities require a pre-closing inspection, some require a change-of-occupancy or resale certificate, some focus on sewer/water signoffs, and some list no home inspection requirement.

Checked against official sources on October 4, 2026. Rules and links change; confirm with the office listed before you act.

Official resources in Illinois

Illinois REALTORS® — Municipal Inspections Handout (updated May 2024)

Statewide association chart residents can use to see municipality-by-municipality resale, occupancy, rental, sewer, water, and related local inspection requirements.

Village of Villa Park — Utilities / Selling Your Property and Compliance Inspection

Official village page showing a sewer/stormwater-related inspection tied to sale or transfer of title.

Key facts for Illinois

Cities with sale-triggered rules in Illinois

CityprogramtypefeevalidDetails
Alton
Madison
Occupancy permit inspectionU&O certificate—until next change of ownership or occupancy, unless revokedUpon application for an occupancy permit, the city performs a basic inspection and may require an advanced inspection based on listed risk factors.
Calumet City
Cook
Point-of-sale inspection / Certificate of Complianceinterior+exterior$150 single-family; $25 each additional multifamily unit180 daysThe point-of-sale packet says liens, tickets and violations must be paid before transfer of the property.
Chicago Heights
Cook
For Sale Inspectioninterior+exterior——The city provides a specific for-sale inspection form for residential transfers.
Dolton
Cook
Home sale inspectioninterior+exterior——The Village states that before selling a home, ordinance requires the house to be inspected.
Forest Park
Cook
Transfer of Ownership inspection / Certificate of Complianceinterior+exterior——If violations remain at closing, the buyer and seller may sign a village agreement giving the buyer 3 months after transfer to correct them.
Glendale Heights
DuPage
Real-Estate Transfer Inspection / Certificate of Inspectioninterior+exterior——The Village says real-estate transfer inspections are required to identify code noncompliance before transfer.
Olympia Fields
Cook
Point of Sale inspectioninterior+exterior——The village states that when selling your home, the homeowner is required to arrange for an inspection by the Village prior to the sale.
Richton Park
Cook
Change of occupancy inspectionU&O certificate——The village says staff inspect existing structures at change of occupancy as part of code enforcement.
University Park
Cook/Will
Point of sale inspection and certificate of occupancyinterior+exterior——The municipal code requires a point-of-sale inspection and certificate of occupancy for dwelling units covered by the chapter.

What to do next

  1. Before listing or closing, check both your municipality’s code and the Illinois REALTORS® handout entry for your town; Illinois rules are highly local and can differ block-by-block or by property type.
  2. Ask the local building or public works department whether the town offers a temporary or conditional certificate, repair escrow, or buyer-assumption affidavit; I found those options in some municipal ordinances, not as a statewide rule.
  3. Have your closing attorney or title company confirm timing requirements early; official local rules I found include examples like 21 days before transfer (Markham) and sale-triggered sewer/compliance signoffs (Villa Park).

Helpful guides

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