The average price of leak detection in Pinellas County is $138-$275, Depending on how long it takes to find the leak. With most leaks, We are able to find them within the hour for the price of $138. We charge $89 an hour with a $49 service charge is how we get to $138 with a cap of $275 as not to charge an unfair price. Our main goal is to save you money and time and explain the best way to fix your leak.