Class B driving jobs consist of work such as Towing, Bus driving, and Trash collecting. Class B enables work with very large vehicles, usually involved with either state funded work, or major retailer distribution.
Class B truck driving jobs generally require a person to drive a truck, or a haul, or materials from one location to another. Class B truck driving jobs require a person to hold a valid Class B commercial driver's license.
Career Builder is a good place to start. Going to that site and typing into the search field "Class B Driver" will lead you to jobs that need a Class B CDL for the job required.
If you are a class B trucker most of these jobs are restricted to box trucks, or delivery bus drivers, city bus driver, dump truck drivers that tow small trailers, tourist bus driver, or trolleybus driver.
As much as the company sees fit to pay them. There are a wide range of Class B jobs, and a wide range of pay scales to accompany them. There isn't one answer applicable to the entire range of Class B CDL jobs.
While there are several different jobs that you can apply for after getting your CDLs, the best place to look and apply is on Monster Jobs. www.monsterjobs.com
There really isn't an "average". It depends on where you live, and what you do, exactly. There is a wide range of CDL driving jobs out there, and the pay will vary, just as the jobs vary.
Yes
CDL Class B
There are many websites that list jobes for CDL class B. Some include www.nationaltruckdrivingjobs.com, careerbuilder.com, indeed.com and class.b.driver.jobs.topusajobs.com. You can also check with any local truck or bus companies.
One can find the salaries of class B CDL Jobs by asking an employee or employer. If asked directly they can give you the information you seek to have.
A class III driver's license does not exist in the state of California. California offers class A, B, C, M1, and M2 licenses.
Get a Class B CDL and apply with such a company.