Have renovated 2 bathrooms on upper level of the house. "Click" sounds when turn on and off the shower which has installed a massage spa. Plumber (who installed all faucets) came in to fix it. Later on "Click" sounds happen when turn on taps with another bathroom sink faucets. It starts with the cold water tap, then now with hot one too with both sinks. Later it also "click" when turn on and off the bathtub faucet too. Today get the same plumber in to fix. He has tightened all the pipes, but did resolve the problem. I have tried to turn on tap and flush all toilets to let water running for a few minutes with each one of them starting from the lower level and work all the way up to the upper level. No improvement at all and now even worse. The problem has spread with all taps in the house when turn on and off. Kindly advise and thanks a lot.

Have your house pressure checked. If you have a pressure regulator it may be broken or needs to be cleaned.

Make sure your house pressure is set at 55 psi. Back to you. Milo