How much notice is required for a rent increase in Chicago?

Illinois requires at least 30 days written notice before raising rent.

Chicago, IllinoisLast reviewed April 2026

Rent increase rules in Chicago

Illinois bans local rent control statewide, so Chicago has no rent cap. The Residential Landlord-Tenant Ordinance (RLTO) requires 30 days notice for tenancies under 6 months, 60 days for 6 months–3 years, and 120 days for 3+ years.

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I use a Section 8 / Housing Choice VoucherHCV tenants follow different rules — increases require PHA approval and rent-reasonableness review.

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Walk through three quick steps to find the right tenant-rights program for your situation.

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When you call, ask about: a tenant intake appointment

Say: "I'm a tenant and need help understanding my rights and options."

Bring: your lease, recent rent receipts, and any letters or notices from your landlord.

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State listings sourced from the federal Legal Services Corporation (LSC) grantee directory. Educational information, not legal advice or endorsement.

State rules that apply in Chicago

No statewide rent cap. Rent Control Preemption Act bars local caps (repeal under debate). Chicago: 30-day notice for tenancies under 6 months, longer for established tenancies. Required notice: 30 days.

Local resource

Chicago RLTO (opens in new tab)

State source

765 ILCS 825 (Rent Control Preemption Act) (opens in new tab)

Educational information, not legal advice. Consult a local attorney or tenant-rights organization for your specific situation.