According to Illinois mobile home park laws, the park owner must give tenants information, in writing, about:

• The exact amount of rent charged for the mobile home or lot during the last 5 years, including information regarding fees imposed over and above the base rent, late payments, and applicable taxes,
• A list of the park owner's responsibilities,
• A copy of all rules and regulations,
• Information regarding security deposits and the return of these deposits,
• A three-year projection of estimated rent increases,
• The name and address of the legal entity that owns the mobile home park and that of its designated agent and property manager (if any),
• Information related to any inspection violations by the Illinois Department of Health, and
• A copy of the Illinois Department of Public Health's Mobile Home Owner's Tiedown Guide.

Park owner duties to the tenants include:

• Keep the park clean and safe,
• Provide weekly trash removal,
• Provide a proper sewer connection to each mobile home,
• Keep all electrical, plumbing, gas, water lines, and roads in good condition and complete repairs within a reasonable time period,
• In an emergency, the park owner is responsible for providing a water supply to each household following a 5-day period of no water,
• Get permission from the tenant before entering a tenant's mobile home unless it's an emergency,
• Charge no more than one month’s rent for a security deposit,
• Only charge late fees when rent is more than 5 days overdue,
• Give the tenant 30 days' advance written notice of any changes or additions to the park rules and regulations,
• Allow tenants to meet regarding mobile home park conditions at reasonable hours,
• Provide tenant with a list of all services that are provided by the park owner (e.g., lawn maintenance, snow removal, garbage, community hall, swimming pool, golf course, laundromat, etc.), and
• Provide a custodian's office, and give the tenant the name, phone number of said custodian.