AZ SB1558

Requires mobile home park landlords to provide detailed utility billing information including meter readings, dates, total usage, utility charges, applicable rates, administrative fees, and contact information for billing inquiries.

Caps landlord utility charges at the amount imposed by the utility provider plus an administrative fee of no more than $8, which must be disclosed in the rental agreement.

Makes violations of utility billing requirements an unlawful practice subject to investigation and enforcement by the Arizona Attorney General under consumer protection statutes.

Allows tenants to file civil complaints in justice court after providing 30 days written notice to landlords for utility billing violations, with prevailing tenants entitled to court costs and reasonable attorney fees.

Expands administrative law judge authority to award damages and injunctive relief to tenants for landlord noncompliance with utility billing requirements, including attorney fees and costs for prevailing tenants.