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Blog · Situations · 2026-07-31 · 2 min read

Mobile and manufactured homes: two different tax systems

Whether it is taxed as real property or under the privilege tax depends on how it sits on the land.

Illinois treats manufactured housing in two different ways, and which one applies changes both the bill and the remedies.

Real property

A manufactured home on a permanent foundation on land the owner owns is generally assessed as real property, like any house. Standard assessment, standard exemptions, standard appeal rights.

The mobile home local services tax

A home in a mobile home park, or not on a permanent foundation, is generally taxed under a separate privilege tax based on square footage and age rather than value, and administered differently.

Why the distinction matters

The two produce very different amounts, and the remedies differ — a value-based appeal makes no sense against a tax computed from square footage and age. Establish which system applies to you before arguing anything.

Where errors occur

Homes placed on permanent foundations and never converted in the records. Age or square footage wrong in the privilege tax calculation. Homes taxed under both systems after a change — rare, and worth checking if your bill seems duplicated.

Exemptions

Reductions exist under the privilege tax for older owners and for people with disabilities. They are separate from the homestead exemptions and are claimed separately.

This is general information about how Illinois assessments and appeals work. It is not legal advice, not an appraisal, and not a prediction about your case. Deadlines and rules differ by county — check yours with your Board of Review.

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More on Situations

Condominium assessments: your best comparables are in your own building Units in one building share everything except floor, view and finish — which makes the comparison unusually clean.Vacant land: assessed on what it could be, not what it is Land assessment follows zoning, buildability and access. Any of those can be wrong on file.Rental property: no homestead exemption, every other remedy intact Landlords lose the exemption and keep the appeal. Condition is often the strongest argument.Inherited property: exemptions end, and the record is usually stale The exemptions died with the owner. The assessment probably has not been looked at in years.

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