What is the maximum LTV cap for refinancing a jumbo loan?
It depends on the loan amount your are looking for, what is the approximate loan balance?

Are there any credit requirements for reverse mortgages?
No there are no credit score requirments. I would recomend calling Thomas Egan @ 203-675-9188, he specializes in reverse mortgages in Connecticut.

Do you know of anyone who lends in NJ for someone with a 630 credit score?
Brooke, I can assist - please email me @ [email protected] - Thank you

Are there any LTV requirements for FHA Streamline refinances?
The streamline does not require an appraisal, I would be glad to assist. You can contact me at [email protected] you.