Arizona Occupancy Laws: Bedroom Limits, Guests, and Eviction

Arizona occupancy laws start from a single statewide rule: two people per bedroom is presumed reasonable in every rental unit in the state.¹ Federal fair housing law, local building codes, and city short-term rental ordinances add layers on top of that baseline, but the two-per-bedroom figure is where most questions begin and end. What follows explains how the presumption works, what can override it, and what happens when a landlord or tenant pushes past it.

The Two-Per-Bedroom Presumption

Under ARS § 33-1317(F), an occupancy limit of two persons per bedroom is presumed reasonable throughout Arizona and all of its political subdivisions.¹ “Presumed” is the operative word. A landlord who applies a two-per-bedroom policy consistently has a legal safe harbor against discrimination claims. But the presumption can be rebutted if the policy is applied selectively, or if a landlord tries to enforce a stricter cap without a genuine reason.

The state figure matches HUD’s 1998 Keating Memo, which treats two persons per bedroom as generally reasonable under the federal Fair Housing Act.² Landlords who want to set stricter limits need a legitimate justification, such as limited septic capacity or unusually small bedrooms. A cap set below two-per-bedroom without a clear health or safety reason invites scrutiny.

What Counts as a Bedroom

The presumption assumes a room actually qualifies as a bedroom. Many Arizona cities adopt the International Property Maintenance Code, which sets minimum floor area for sleeping rooms: at least 70 square feet for one occupant, and at least 50 square feet per person when the room is shared.³ An entire dwelling unit must provide at least 150 square feet for the first occupant and 100 square feet for each additional person.

To count toward occupancy, a sleeping room generally needs access to a bathroom, a door or other feature providing privacy, and enough floor area to meet the minimum threshold. Kitchens, bathrooms, laundry rooms, and hallways don’t count as habitable space. A living room may qualify for sleeping use under some codes if it meets the square footage minimum, but this varies by municipality. A landlord marketing a converted den as a “third bedroom” doesn’t get to add two people to the allowed count unless the room actually meets the code.

Fair Housing Limits on Occupancy Rules

Occupancy limits become legally risky when they push out families with children. The federal Fair Housing Act prohibits housing providers from placing unreasonable restrictions on the number of people in a dwelling or imposing special conditions on tenants with children.⁴ Arizona’s fair housing statute mirrors those protections, and the Arizona Attorney General’s Civil Rights Division investigates complaints, offers conciliation, and litigates when needed.⁵

When HUD evaluates whether an occupancy policy masks familial status discrimination, it looks at bedroom size, the ages of any children involved, unit configuration, and whether the landlord has made discriminatory statements or enforced the rule only against families.² A policy that caps children per unit rather than people per unit is a red flag. Telling a couple with an infant they can’t live in a one-bedroom is almost certainly a violation. Enforcing two-per-bedroom equally against everyone is not.

The main exception is housing for older persons. A community qualifies if at least 80 percent of its occupied units have at least one resident aged 55 or older, or if the community is solely occupied by people 62 and older.⁶ Even qualifying senior communities cannot discriminate based on race, disability, religion, or other protected characteristics.

Guests Versus Unauthorized Occupants

The most common occupancy dispute isn’t over how many people signed the lease. It’s over the partner, cousin, or friend who started sleeping over and never left. Arizona law draws a clear line. Under ARS § 33-1378, a person staying at a rental without being named on the lease and without permission from the tenant or landlord is not a lawful tenant, and law enforcement can remove that person at the request of whoever is entitled to possession of the premises.⁷

Tenants are also responsible for their guests. ARS § 33-1368(F) holds a tenant accountable for lease or rule violations committed by guests when the tenant could reasonably be expected to know about the conduct.⁸ To avoid gray areas, leases should define what counts as a guest versus an occupant, and spell out how many consecutive nights of stays require landlord approval.

Eviction for Occupancy Violations

Exceeding the occupancy limit in a lease is a curable breach in most cases. For material noncompliance with the lease, the landlord must deliver written notice specifying the breach and giving the tenant at least ten days to fix it.⁸ If the tenant removes the extra occupant within that window, the lease continues.

Repeat violations shorten the runway. If the same type of noncompliance happens again during the lease term after the tenant already cured it once, the landlord can deliver a second written notice and file a special detainer action ten days later without offering another chance to cure.⁸ If the overcrowding materially affects health and safety, like blocked fire exits, the cure period drops to five days.

Lying about occupants on the rental application is treated separately and more severely. ARS § 33-1368(A)(1) classifies material falsification as grounds for termination outside the standard cure framework.⁸ A tenant who listed two occupants and moved in five is in a worse position than one who added a roommate mid-lease.

Short-Term Rentals Follow Different Rules

The two-per-bedroom presumption applies to residential leases. Short-term and vacation rentals operate under a separate framework. ARS § 9-500.39 bars cities from banning short-term rentals outright, but lets them regulate for health and safety, enforce noise and nuisance ordinances, require permits, and demand emergency contact information.⁹

Cities have used that authority to set their own occupancy caps. Scottsdale limits short-term rentals to six adults per unit plus their related dependent children, and requires that a dwelling and any guest house be rented together rather than separately.¹⁰ Phoenix moved from registration to a full permit requirement in late 2023, so every short-term rental property must obtain a permit from the city’s Planning and Development Department.¹¹

SB 1168, passed in 2022, set the penalty structure cities use for court-adjudicated short-term rental violations:

First violation: at least $500 or one night’s advertised rental fee, whichever is greater.
Second violation within 12 months: at least $1,000 or two nights’ rental fee, whichever is greater.
Third or subsequent violation within 12 months: at least $3,500 or three nights’ rental fee, whichever is greater.

Cities can also impose up to $1,000 for every 30 days a short-term rental owner fails to provide required emergency contact information, and repeated violations can lead to permit revocation.¹¹ SB 1168 also lets cities require short-term rental owners to carry at least $500,000 in liability insurance or operate through a booking platform with equivalent coverage. Arizona applies transaction privilege tax to short-term lodging, and hosts must comply with state and applicable local tax rules.¹²

Retaliation Protections for Tenants

Tenants who report overcrowding or code violations are protected. ARS § 33-1381 prohibits a landlord from raising rent, cutting services, or threatening eviction because a tenant complained to a government agency about a code violation affecting health and safety.¹³ The same protection covers complaints made directly to the landlord about habitability and participation in a tenants’ organization.

Arizona presumes retaliation if the landlord takes adverse action within six months of a tenant’s complaint, which shifts the burden onto the landlord to prove some other motive.¹³ The protection doesn’t apply if the tenant only filed a complaint after receiving a termination notice.

Where to Take an Occupancy Dispute

Most disputes turn on whether a landlord’s restriction is really about health and safety or is a pretext for something else. A landlord enforcing two-per-bedroom uniformly is on solid ground. One who applies the same cap only to households with children is not.

When direct resolution fails, the Arizona Attorney General’s Civil Rights Division investigates housing discrimination complaints and can file suit if conciliation doesn’t work.¹⁴ HUD has parallel jurisdiction because Arizona’s fair housing law is substantially equivalent to the federal version. Many Arizona cities also offer mediation services, which tend to be faster and cheaper than court. In an eviction case, a judge will look at the lease language, the local code, and whether the landlord applied the occupancy rule consistently before ruling.

1
Arizona State Legislature. Arizona Residential Landlord and Tenant Act – Section 33-1317.F
2
Department of Housing and Urban Development – HUD.gov. Fair Housing Enforcement – Occupancy Standards Statement of Policy
3
Housing and Urban Development. Occupancy Standards Under the Fair Housing Act
4
U.S. Department of Justice. The Fair Housing Act – Discrimination in Housing Based Upon Familial Status
5
Attorney General’s Office – Arizona Attorney General. Fair Housing
6
U.S. Department of Housing and Urban Development (HUD). Fair Housing – Equal Opportunity for All
7
Arizona State Legislature. Arizona Residential Landlord and Tenant Act – Section 33-1378
8
Arizona Legislature. Arizona Revised Statutes 33-1368 – Noncompliance With Rental Agreement by Tenant
9
Arizona Legislature. Arizona Revised Statutes 9-500.39 – Limits on Regulation of Vacation Rentals and Short-Term Rentals
10
City of Scottsdale. Vacation and Short-Term Rentals
11
City of Phoenix. Short-Term Rental Registry
12
Arizona Department of Revenue. Transaction Privilege Tax – Short-Term Lodging
13
Arizona Legislature. Arizona Revised Statutes 33-1381 – Retaliatory Conduct Prohibited
14
Attorney General’s Office. Civil Rights Frequently Asked Questions