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Lake County, IL Property Maintenance: Property Blight (2026)

Significant Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Governing section
County Code § 94.06(A)
Geographic scope
Unincorporated Lake County only
First step
Warning of violation, 7+ days to abate
Escalation
Administrative adjudication or Circuit Court
Repeat cases
Chronic-nuisance notice on title

Summary

In unincorporated Lake County, a building, mobile home, shed, fence, or other structure that is hazardous to public health or safety from disrepair, faulty construction, or openness to intrusion is a declared public nuisance.

City-specific rules exist: Waukegan has its own property blight rules that differ from Lake County's county-level regulations. If you live in Waukegan, check the city-specific page instead.

Dangerous structures. It is a public nuisance to allow any building, mobile home, shed, fence, or other man-made structure to exist that is hazardous to public health and/or safety because of its condition, faulty construction, lack of proper repair or its openness to intrusion.

Source: 65 ILCS 5/ Illinois Municipal Code - Blighted AreasView official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: 2026 S-15: Supplement contains: Local legislation current through Ord. 26-0618, passed 6-9-2026 | State legislation current through ILCS Pamphlet 2025 #5).

Full Breakdown

County Code § 94.06(A) makes it a public nuisance to allow any building, mobile home, shed, fence, or other man-made structure to exist that is hazardous to public health and/or safety because of its condition, faulty construction, lack of proper repair, or its openness to intrusion. Per § 94.02(A), this specific dangerous-structures clause applies only to unincorporated Lake County. Waukegan, North Chicago, Highland Park, Gurnee, Libertyville, and other incorporated municipalities enforce their own building and property-maintenance codes instead.

Violations & Fines

Enforcement Officer issues a written warning giving at least 7 days to abate; failure to comply brings a notice of ordinance violation, an administrative adjudication hearing (or Circuit Court case), possible chronic-nuisance recording against the property's chain of title, and county abatement with costs billed to the owner.

Frequently Asked Questions

Does this dangerous-structures rule apply inside Waukegan or Highland Park?
No. § 94.02(A) limits § 94.06(A) to unincorporated Lake County; incorporated cities and villages enforce their own building codes.
What happens if I ignore the county's warning notice?
The Enforcement Officer can issue a formal notice of ordinance violation and pursue administrative adjudication or Circuit Court action, with abatement costs charged back to the owner.

Sources & Official References

Other rules in Lake County

All Lake County rules

Compare Lake County to another location·View the Illinois property maintenance overview

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