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Rent Increase Calculator

Check whether a proposed rent hike complies with state notice rules and rent control caps before you send tenants a increase notice.

Use calculator Rent increase notice

Enter Rent Details

Consumer Price Index - used for rent control calculations

Understanding Rent Control Laws

States with Rent Control

Currently, California, Oregon, New York, New Jersey, and Washington DC have statewide rent control or stabilization laws. Several other states have cities with local rent control ordinances.

  • California: 5% + CPI (max 10%)
  • Oregon: 7% + CPI (max 10%)
  • NYC: Rent Stabilization Board sets limits

Notice Requirements

Even in states without rent control, landlords must provide advance notice before raising rent. The required notice period varies by state, typically ranging from 15 to 90 days.

  • Most states: 30 days notice
  • Oregon: 90 days notice
  • Some states: 60 days for longer tenancies

How this calculator works

Increase amount = proposed rent − current rent. Increase % = increase amount ÷ current rent × 100. If rent control applies: max allowed = current rent × min(5% + CPI, state cap).

Inputs

  • Current and proposed rent — dollar change drives percent increase.
  • State — sets rent control flag, max increase, and required notice days.
  • CPI rate — used in CPI-plus-cap formulas (default 3% if not specified).

Assumptions

  • Increase applies at renewal or with proper notice for month-to-month.
  • Unit is subject to state rent control only where flagged—not local boards unless noted.
  • Notice is delivered in writing within required lead time.

Limitations

  • Local rent boards (NYC, SF, etc.) may set lower caps than state law.
  • Just-cause eviction rules may limit increases on certain tenancies.
  • Does not model preferential rent or subsidy program caps.

Example calculation

  1. California unit: current rent $2,000, proposed $2,250 (+12.5%).
  2. AB 1482 cap roughly 10% annually (5% + CPI, max 10%).
  3. Increase exceeds cap → non-compliant without exemption.
  4. Required notice: 30 days if increase ≤10%, 90 days if greater in some cases.
Result: 12.5% increase likely exceeds CA statewide cap (~10%)

Rent-controlled jurisdictions require both compliant amounts and proper written notice. Exempt properties (new construction, single-family in some cases) may follow different rules.

Common mistakes

Raising rent without required notice

Increases without 30–90 days' written notice may be void. Use a rent increase notice with proof of delivery.

Exceeding CPI-plus caps

States like California and Oregon limit annual increases even when market rent is higher.

Increasing during a fixed lease term

Mid-lease increases are generally prohibited unless the lease includes an escalation clause.

Frequently asked questions

In unregulated markets, increases follow lease terms and notice rules. Rent-controlled areas cap annual percentages.

Typically 30 days for moderate increases; 60–90 days in Oregon, Washington, and for large increases in some states.

State law prohibits local rent control in Texas and Florida, but lease terms and notice still apply.

Yes with proper written notice if not capped by rent control.

Often a signed addendum or notice suffices for month-to-month; fixed-term renewals may need a new agreement.

Tenants may refuse to pay the excess and seek remedies. Landlords should reset to a lawful amount with corrected notice.

Disclaimer

LeaseCraft provides document automation and general information — not legal, tax, or financial advice. Calculator results are estimates for planning only. Consult a licensed attorney, accountant, or housing counselor for advice about your situation.

Rent increase limits and notice requirements vary by state, city, and tenancy type. Exemptions apply for new construction, owner-occupied units, and other categories. This tool is for estimation only—not legal advice. Verify current law before issuing a rent increase notice.

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Rent increase notice