Illinois 2025-2026 Regular Session

Illinois Senate Bill SB1830

Introduced
2/6/25  
Refer
2/6/25  
Refer
2/18/25  

Caption

PROP TAX-PORTABLE BUILDING

Summary

SB1830 amends the Illinois Property Tax Code to narrow what counts as “real property” for property tax purposes. The bill provides that, except for mobile homes addressed elsewhere in law, a building or structure is not considered real property if it is not affixed to a permanent foundation or connected to utilities for year-round occupancy. The text specifically mentions portable sheds, garages, and other outbuildings as examples of structures that would fall outside the real-property definition if they do not meet those conditions. The bill also preserves existing special rules for mobile homes and manufactured homes. Homes outside mobile home parks that were already taxed under the Mobile Home Local Services Tax Act would continue under that system until sold, transferred, or relocated, at which point they would be assessed as real property. Mobile homes in mobile home parks would remain taxed under the Mobile Home Local Services Tax Act, and the bill states that its provisions control over conflicting laws on mobile home taxation. It also retains the existing rule that certain spent fuel pools and dry cask storage systems at decommissioned nuclear plants are real property and assessable.

Impact

If enacted, SB1830 would change the Property Tax Code’s definition of real property by excluding certain nonpermanent, non-utility-connected structures from assessment as real estate. That could affect local property tax rolls by removing some portable or temporary structures from real-property taxation, while leaving mobile homes, manufactured homes, and specified nuclear-related property subject to separate rules. The bill would directly amend 35 ILCS 200/1-130 and take effect immediately.

Sentiment

Based on the bill text and the absence of recorded committee debate or votes in the provided materials, the available record suggests a straightforward, technical property-tax measure rather than a highly debated proposal. The caption and language indicate an intent to clarify tax treatment of portable buildings and related structures, with no documented opposition or support statements in the supplied context. Overall sentiment cannot be measured from transcripts here, but the bill appears to be framed as a definitional clarification.

Contention

The main policy issue is whether portable buildings, sheds, garages, and similar structures should be treated as taxable real property when they are not permanently affixed or connected to utilities. Potential contention would likely come from assessors, local governments, and property owners over how broadly the exclusion should apply and whether it could reduce local tax revenue or create classification disputes. The bill also preserves and reinforces special treatment for mobile homes and manufactured homes, which could matter to owners, county assessors, and mobile home park stakeholders, but no specific objections or competing positions are included in the provided record.

Companion Bills

No companion bills found.

Previously Filed As

IL HCR1001

Senior Property Tax Exemption Portability

IL HB2510

PROP TX-TAXING DIST NOTICE

IL SB1890

PROP TX-TAXING DIST NOTICE

IL SB2246

PROP TX-ASSESSMENT LIMIT

IL HB1440

PROP TX-TAX DEEDS

IL SB1831

PROP TX-ABATEMENT-RESIDENTIAL

IL HB3226

TAXPAYER PROTECTION ACT

IL HB5245

PROP TAX-SENIORS LEVEL BILLING

IL HB2543

PROP TX-TAXPAYER EMPOWERMENT

IL HB2302

Real property tax; exemption for religious buildings, rebuilding structure.

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