From what I've been told, you must have established credit and credit history here in the US or be a US citizen in a foreign country with US credit.However, I'm not a lender, lawyer, cpa, or broker.

Quick answer to your questions: First Colombian banks are very bullish in offering loans to US Citizens that have Colombian passports.

All which lead to either remote neighborhoods or institutional-type housing arrangements.Putting prejudices aside (they are not a protected class of citizens), if they pay their bills and have the money, this might be a profitable approach.

Borrower must be a Citizen or have a residential permit of where you are applying from6.

Are you a US citizen?

But the city lost their lawsuit against a private citizen named Nichols.

Try TD or Citizens bank,they are easier to deal with on conventional in NJ. 

Some states will allow senior citizens to direct the county to send tax bills to family members as well that way you can help them navigate the issues as they come up.Tax laws vary from state to state and sometimes from county to county within a state, so you should seek out an attorney for advise... at the least you can contact the tax collector's office and/or clerk of court to make some inquiries on behalf of your grandparents.

Citizens Union has been highly recommended.

I know the point is getting solid citizens into neighborhoods to help revitalize them, etc.