Why small claims court? You're limiting your damages. Did you have an attorney? Do you have title insurance? It really seems odd that this was not picked up.
If you'd like to discuss, please feel free to call. Jeff Gold Gold, Benes, LLP 1854 Bellmore Ave Bellmore, NY 11710 Telephone -516.512.6333 Email - Jgold@goldbenes.com
I'm assuming you are trying to bring separate lawsuits to stay within the jurisdiction of the small claims court. You might have to bring suit in a different court. Generally you cannot bring three separate lawsuits against three different defendants over the same incident. If you are curious as to why, research the term "res judicata."
You can't file three separate suits. But you probably have a good claim. Go talk to a real estate attorney in your area. You should be able to find one who will take the case on a contingency. Doing it yourself in small claims will end up with you losing out on some of your rights.