Secure & Reliable Service Tri-State Rental properties is bringing property management into the 21st century. Contact us to learn more about our state of the art property management system and services Imagine viewing your property from the comfort of your own home or business? Landlords have the option in viewing and monitoring their own properties through an app. In fact, landlords will have 24/7 round the clock access through our app to monitor and run reports on all of their properties. At the end of the year, you just hand our annual summary to your accountant and you're done*.