cost of replacing entire toilet system
1 The total cost for a toilet with professional installation is typically $150-$600 depending on location and type of toilet, but it can be $700-$7,000 or more for specialty toilets and/or if additional parts and repairs are needed. CostHelper readers report paying $100-$325 for a basic toilet (without installation), at an average price of $176. 2  Specialty toilets with sleek lines, in designer colors, made to look like stone or furniture, or with options like a heated seat start at $500-$1,000 but can cost $1,000-$6,500 or more.