Is it really necessary to be bonded for a home care service business in Nevada?

That is a question that you will have to ask your city or your state. Some require that you be bonded.

You might also want to click on the following search: State of Nevada home care requirements - Google Search (http://www.google.com/search?hl=en&safe=off&q=State+of+Nevada+home+care+requirements&btnG=Search)

There are different levels of home care to be considered. What type of home care are you asking about?