Do I need a bathroom remodel permit in Illinois?

In Illinois it depends on the size of the job. Permits are issued locally, so the answer comes from your Illinois city or county rather than a single statewide rule. Of the 1 Illinois jurisdictions we have verified for bathroom remodel work, 0 require a permit outright, 1 depends on the size or scope of the job, and 0 require none.

Is there a bathroom remodel permit exemption in Illinois?

1 of the 1 Illinois jurisdictions we cover sets a threshold rather than a flat rule, so the same job can be exempt in one Illinois county and permitted in the next. The table above lists each Illinois jurisdiction's published threshold in its own words, with the source and the date we verified it.

Illinois

Do you need a bathroom remodel permit in Illinois?

By Mario Bailey Last checked 12 Jul 2026

Always required: 0; of 1 jurisdictions
Conditional: 1; depends on size or scope
Not required: 0; exempt outright

Bathroom Remodel Permit rules nationwide, beyond Illinois.

A remodeled bathroom with a soaking tub, twin vanities, and a glass shower

Requirements and size thresholds for bathroom remodel permits vary by locality. The table below compares what each Illinois county or city requires. Always confirm with the local office before starting.

Comparing states? See bathroom remodel permit rules across every locality we cover.

The application steps and inspection sequence for bathroom remodel permits come from the model code rather than from Illinois law, so they read the same wherever you build. We keep that walkthrough in one place: how a bathroom remodel permit application and its inspections work, start to finish. What changes between Illinois jurisdictions is below: who requires a permit, what they charge, and which office you file with.

Swipe sideways to see thresholds and confidence.

Locality	Permit required?	Typical threshold	Confidence
Chicago	Conditional	Not specified	Based on building code
No localities match your filter.

Common questions about bathroom remodel permits in Illinois

Do I need a bathroom remodel permit in Illinois?: In Illinois it depends on the size of the job. Permits are issued locally, so the answer comes from your Illinois city or county rather than a single statewide rule. Of the 1 Illinois jurisdictions we have verified for bathroom remodel work, 0 require a permit outright, 1 depends on the size or scope of the job, and 0 require none.
Is there a bathroom remodel permit exemption in Illinois?: 1 of the 1 Illinois jurisdictions we cover sets a threshold rather than a flat rule, so the same job can be exempt in one Illinois county and permitted in the next. The table above lists each Illinois jurisdiction's published threshold in its own words, with the source and the date we verified it.

Do you need a bathroom remodel permit in Illinois?

Common questions about bathroom remodel permits in Illinois

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