Specifications include, but are not limited to: Rent Reasonable Software – rent reasonable software, for PHAs to complete rent reasonable certifications. Using mathematical modeling combined with a frequently updated database, we are able to calculate a property’s value at a specific point in time by analyzing values of comparable properties. Our rent reasonableness platform analyzes public record data, manually gathered data, market data and uses computer decision logic to calculate an estimate of a probable rental price of a residential property based on a requested date; Vendor bid to include one year lease agreement including system setup, onsite training, technical support, market rental comparable, Rentwatch5 (or equivalent), landlord listing service, and all system updates.