Illinois Property Tax Code — Class L Landmark Rehabilitation Incentive (IL)

Tracked preemption from the Illinois overlay bundle.

Overview

Effective
1995-01-01
Sunset
Authority
state
Scope
state:IL

Trigger predicate

When this evaluates true for a parcel, the law's preempted fields take precedence over base zoning.

AND
  • city.is_chicago == True
  • parcel.is_designated_landmark == True

Preempted fields

1 field on the base district schema is rewritten when the trigger fires.

FieldOpValueNote
base_districts[*].class_l_assessment_eligibilityoverridecook_county_assessor_classification_requiredClass L incentive relies on Cook County Assessor's classification; zoning status does not override.

Citation

Authority source
35 ILCS 200/10-40 & 10-45
§ 35 ILCS 200/10-40, 10-45
https://www.ilga.gov/legislation/ilcs/ilcs4.asp?DocName=003502000HArt%2E+10

Research notes

Cook County / Chicago-specific tax incentive for landmark rehabilitation. Assessor's classification is the gating mechanism, not zoning.