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State Guide

Landlord–tenant law in Arizona

The rules that come up in practice — returning a deposit, charging a late fee, raising the rent — each read against the Arizona statute and quoted on its own page.

What is distinctive about Arizona

  • Deposits: 14 business days. Business days, not calendar days. Also requires a demand by the tenant.
  • Late fees: uncapped by statute, so the limit is whatever a court would call reasonable. There is no mandatory grace period.
  • Rent increases: 30 days, borrowed from the termination rule because Arizona has no rent-increase statute.

The mistake that costs the most here

Treating “no statutory cap” as no limit. A late fee in Arizonais liquidated damages, and one set as a round percentage with no relation to the landlord’s actual cost is the kind of clause a judge strikes out.

Where these figures come from

Each rule above was read against the section it cites and the statutory wording is quoted on the dedicated page, so you can check it rather than take our word for it. That matters more than it sounds on this subject: when we read all 51 jurisdictions we found several widely-published figures to be wrong, including a Kentucky deposit deadline that does not exist, a South Dakota one reported as 14 days when the statute says 21, and late-fee caps for nine states that actually come from their self-storage statutes.

Local ordinances can add requirements the state does not, and statutes move — Washington, Connecticut, Nevada, Rhode Island and Maryland have all changed in the last three years. Each figure carries the date we read it.

States with the same deposit deadline

Common questions about Arizona

How long does a Arizona landlord have to return a security deposit?
14 business days under A.R.S. 33-1321(D).
What is the maximum late fee in Arizona?
Arizona sets no statutory cap. A reasonableness standard applies instead, so a fee has to bear some relation to what the late payment actually costs the landlord.
How much notice before a rent increase in Arizona?
30 days under A.R.S. 33-1375, which is the month-to-month termination rule — Arizona has no statute specifically about rent increases.
Does Arizona have rent control?
No statewide frequency limit is verified for Arizona. Only California, Oregon and Washington cap the amount of an increase statewide; some cities do so locally.

Let the software know the Arizona rules

Pacific Rentals Pro checks a lease’s late fee against the Arizona cap, counts the deposit deadline from the move-out date, and works out the latest day to serve a rent increase. Same verified data as this page.

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Arizona rules last read against their cited sources on November 6, 2026. General information, not legal advice — verify the current text before relying on it, and check your city and county, which can impose more than the state does.