What is the average plumbing cost to replace a kitchen sink/faucet?
<answer> $50.00 <context> Comments. 1  We too would charge a minimum of $50.00 to replace a kitchen or bath faucet. This also takes into account that it is an in and out job. 2  I am in the Winder, Ga. area. This job would cost $65.00 dollars labor not including extra plumbing supplies. 3  This job would cost $70.00. Reply.