Last year, New Yorkers totaled $54.6 billion in rent, and Los Angelenos paid $38.6 billion in rent.
Sales that will stand out to the Treasury Department will be those that are all cash-using shell companies.
The latest real estate market and sales reports show a strong push in home prices and sales.
Researchers found that the ultra-wealthy favored the United States when looking for second homes.
Los Angeles has been considered one of the least desirable cities for investors in the commercial space.
The No. 1 real estate search engine website, Zillow Inc. will acquire No. 2, Trulia, for $3.5 billion.