Iowa Code § 562B.24

If the landlord unlawfully removes or excludes the tenant from the manufactured home community or mobile home park or willfully diminishes services to the tenant by interrupting or causing the interruption of electric, gas, water or other essential service to the tenant, the tenant may recover possession, require the restoration of essential services or terminate the rental agreement and, in either case, recover an amount not to exceed two months’ periodic rent and twice the actual damages sustained by the tenant.