The answer to the average cost of a drain trap is that it can vary widely, typically ranging from $20 to $100 or more, depending on several factors. The type of drain trap, the material it's made of, and the specific plumbing needs of your home can all impact the final cost.
Inexpensive plastic drain traps are on the lower end of the price range, while more durable metal traps, like those made of brass or stainless steel, tend to be more expensive. The cost can also be influenced by the size and complexity of the drain trap, as well as the labor required for installation. Getting quotes from local plumbers is essential to determine the exact cost for your specific needs.