How much do plumbers charge to replace a garbage disposal?

Plumbers typically charge between 150 dollars and 400 dollars in labor to replace a garbage disposal, plus the cost of the new disposal itself, making the total installed cost range from 250 dollars to 650 dollars depending on model and complexity. The labor charge varies based on several factors. If you are replacing an existing InSinkErator with a new InSinkErator using the same Quick Lock mount and the new unit is already purchased, the job is quick, often 45 minutes to an hour, and many plumbers charge a flat fee of 150 to 250 dollars. If the plumber needs to supply the disposal, they will mark up the unit price, typically adding 50 to 100 dollars over retail. If you are switching brands, replacing the sink flange, converting from hardwired to plug-in, or adding a dishwasher knockout and new drain plumbing, labor increases to 250 to 400 dollars because it takes longer and requires more work under a cramped sink. Emergency, weekend, or after-hours calls can add 100 dollars or more. In high-cost-of-living areas, labor may be higher. Some handymen charge less, around 100 to 150 dollars, but a licensed plumber is recommended for hardwired electrical connections. Most plumbers also include disposal of the old unit in the fee. Always get a written estimate that separates parts and labor.