As for approved vs. unapproved lots, that is really a zoning question. Each lot is a town is classified in a certain way, which limits the type and size of structure you can put on it (or if you can even build at all). For example, you can't put a 3500 sq. ft. home on a lot that's 50x100. If you have a particular lot in mind, the best thing to do is for you (or the agent you're working with) to contact the Zoning Officer for the town, who should be able to answer your questions.
If you've any other questions, please feel free to contact me directly. I have a lot of experience working with Home Rehabbers and Construction and should be able to help you out.
Talk to you soon,
But, I also have new contruction in East Brunswick starting at $629k
YES - 629,00 in East Brunswick.
Broker / Manager
Orange Key Realty