Underbeliever, you're smart to get legal advice on this and obviously you and your brother got the smarts in your family. Yes, I would tell your asshole of a stepfather off for being such an irresponsible dickhead. But of course, it wasn't HIS house in the first place, so it was no skin off his ass if your mother lost it all. Too many Witnesses "go into business for themselves" without having a clue what they're doing. And of course, with higher education being a no-no, virtually none of them have taken any courses in Marketing, Business etc.
You're smart to get the house put in your and your brother's name. Not only will this assure that the asshole stepfather can't do this again, but can you imagine a haughty elder having to accept help from his apostate stepdaughter? Talk about eating crow. And yes, his useless kids also need to get off their butts and go get a job......unbelievable!