How much does a plumber charge to replace a toilet shut off valve, which is angle stop behind toilet that controls water to toilet, typically costs $150 to $300 including parts and labor in United States. Valve itself costs $10 to $30 for standard 1/2 inch compression or 3/8 inch outlet angle stop, with quarter turn ball type costing slightly more than old multi turn style, and premium push fit SharkBite style $15 to $35. Labor is main cost, plumbers charge $75 to $150 per hour with minimum service call fee of $100 to $150, and replacing toilet shutoff usually takes 30 to 60 minutes, including shutting off main water, draining, removing old valve, and installing new one. If old valve is corroded or soldered and requires cutting pipe, time and cost may increase to $200 to $300. In high cost urban areas, price may be $250 to $350. Emergency or after hours service adds $100 to $200 extra. Some plumbers charge flat fee for valve replacement, $150 to $250. DIY cost is only valve plus tools, $10 to $30, and many homeowners can do it with compression or push fit valve without soldering. Getting quote that includes parts, labor, and testing, and asking for upgrade to quarter turn ball valve for better reliability, helps ensure fair price and long term peace of mind.
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