The answer to 'how much to fix garbage disposal local' is that the cost to repair or replace a garbage disposal can vary significantly depending on several factors. Generally, you can expect to pay anywhere from $100 to $400 or more to have a local plumber fix a garbage disposal issue.
The exact cost will depend on the extent of the problem, the age and model of the disposal, whether parts need to be replaced, and the labor rates in your local area. Additionally, if the disposal needs to be completely replaced, the cost will be on the higher end of that range. It's best to get quotes from 2-3 local plumbers to compare prices and services.