Often, a vendor cannot supply an abundance of due diligence documentation for whatever reason. In the case of title companies, it is understandable that there may not be formal SOC reports or other standard types of evidence available. However, due to the increasing amounts of Title fraud, I would suggest they do stay in scope for your program and that you validate the following:
Just because a title company is small or new does not mean they do not have the controls to protect funds and safeguard customer data.
I hope that is helpful, but I would love to hear ideas from other members.