The answer to 'how much does P-trap cost' is that the cost of a P-trap can vary widely depending on several factors. P-traps are an essential plumbing component used to prevent sewer gases from entering the home, and they typically range from $5 to $50 or more, depending on the material, size, and brand.
The main factors that influence the cost of a P-trap include the type of material (plastic, brass, chrome, etc.), the diameter of the pipe (typically 1-1/4 inch or 1-1/2 inch), and whether it's a basic or more decorative model. Homeowners may also need to factor in any additional fittings or adapters required for their specific plumbing setup. It's best to get quotes from local plumbers or home improvement stores to determine the exact cost for your project.