Rent Increase Notice for Illinois landlords
Notify tenants of upcoming rent increases with proper notice Written to IL landlord-tenant law, with the notice period counted for you.
Illinois requirement: 30-Day Advance Notice
Illinois requires 30 days notice. Rent control applies in: Chicago (under RLTO).
- Pay or quit
- 5 days
- Month-to-month
- 30 days
- Rent increase notice
- 30 days
- Max deposit
- No limit
- Deposit return
- 45 days
When you need a rent increase notice.
- Tenant claims they weren’t notified of rent increase
- Increase challenged because of improper notice period
- Need proof of when notice was delivered
- Unsure how much advance notice is required
Illinois rules that apply here.
Rent control applies in parts of Illinois. Where a local ordinance is stricter than state law, the local rule governs.
- 5-day notice for nonpayment
- 10-day notice for lease violations
- Chicago has specific landlord-tenant ordinance (RLTO)
Rent control areas
Chicago (under RLTO)
What landlords ask about this in Illinois.
- How much notice do I need to give for a rent increase?
- Illinois requires 30 days of written notice before a rent increase takes effect. Count from the day the tenant receives it, not the day you wrote it. Cities with rent control often require more, so check the local ordinance if the property sits in one.
- Can I raise rent during a lease term?
- Not unless the lease itself contains a clause allowing it. A fixed-term lease locks the rent for the term. If the tenant is month-to-month, you can raise it with 30 days of notice in IL.
- What percentage can I raise rent?
- Illinois sets no statewide cap, but rent control applies locally in Chicago (under RLTO). Beyond any cap, the practical limit is what the market bears. Be aware that a large increase timed right after a complaint or repair request can be read as retaliation, which is separately illegal.
- Do I need to explain why I’m raising rent?
- No. Illinois does not require a reason for a rent increase on a month-to-month tenancy. A short explanation often reduces argument, but the notice is valid without one.
This is general information about Illinois landlord-tenant law, not legal advice. Local ordinances can be stricter than the state rule, and if a dispute is already underway it is worth an hour of a lawyer’s time.
Related IL forms
This form in other states
The document is the same; the notice period is not. Pick the state the property is in, not the one you live in.
Generate your Illinois rent increase notice.
Free, no account, and dated against IL rules. Create an account only when you want the tenant details reused next month and the copies kept.