Professional stair runner installation in Ronkonkoma typically ranges from $350-$550 for straight staircases, with custom installations involving landings or turns costing $550-$850. The total project cost depends on your chosen material, staircase length, and complexity.Basic runners start around $30 per linear foot, while premium materials can run $50-$75 per linear foot. Most Ronkonkoma homes need 20-25 linear feet of material for a standard staircase. We provide detailed written estimates after measuring your specific stairs, so you’ll know exactly what to expect with no surprises.Remember that professional installation includes proper padding, precise cutting, custom binding, and our Beautiful Guarantee. DIY installation might seem cheaper initially, but mistakes can be costly and dangerous when dealing with stair safety.