Identifying the need for a plumber should not be difficult, However, here are some common indicators to look out for:   Leaks from taps or toilets that are constantly running or dripping Sinks or bathtubs that drain slowly Decreased water pressure Unusual sounds from pipes Water damage on ceilings, walls, or floors An unexplained spike in your water bill If you are encountering any of these symptoms, it is advisable to contact a professional plumber for an inspection and repair.