Budget full bathroom renovations start around $18,025, mid-grade renovations run $27,810 to $28,890, and high-end renovations can reach $40,170 or more. The final cost depends on your bathroom size, material choices, and whether you’re changing the existing layout.Long Island homeowners typically pay around $370 per square foot for bathroom remodels, with a standard 40-square-foot bathroom averaging about $14,808. But square footage alone doesn’t tell the whole story. A small bathroom with high-end finishes and complex tile work can cost more than a larger bathroom with standard materials and straightforward installation.We provide detailed written estimates that break down labor, materials, permits, and disposal so you know exactly what you’re paying for. No hidden fees for “unexpected” costs that should have been obvious from the start. Material choices make the biggest difference—you could choose luxury vinyl flooring or natural stone, basic ceramic tile or custom mosaic work, standard fixtures or designer pieces.