More common are:
I love my family, Greentown, Winbond Real Estate, Sumitomo, Meidijia, Shi Sheng Butler, Hangzhou Yomi Real Estate, Holiday Real Estate, Public Housing Network, Meiyu, Chain Home, Urban Housing Network, Q Housing Network, 2 1 Century Real Estate, Hangzhou Aizu, Hangzhou IKEA, Hangzhou San Qian, Hangzhou Dingbang, Fangtu, Zhong Da Real Estate and so on.
You can search this kind of information through Baidu map. First locate "Hangzhou" on Baidu map, and search for the keyword "real estate agent" to find relevant information.
As shown in the figure below: