Hello, Speaking of real estate property in Japan, it is better to know costs to buy and rent an apartment in Japan.
Surely, there are lot of matters you should know.
But, real estate is expensive. You should not hesitate to spend your time.
Here, I want to tell you by using an apartment as an example.
I am not a realtor. So, I do not advertise this property.

(In this page, 1 USD = 100 JPY)
Apartment in Kamata, Ota ward, Tokyo
Name of building : Kuressento Kamata Higashi
(Hereinafter called "room 101″)
Price : USD 338,000
Room area : 70.2 square meters
In Japan, this room area is enough to live for 4 persons.
Built year : 1996
Nearest station : Koujiya station (糀谷) 11 minutes walk
You can go to Shinagawa station by 14 minutes by train.
Train fee is 2 USD.
Now, I will explain the cost of purchasing this apartment room 101.
You have to pay USD338,000.—————————①
You will hire a realtor to purchase this apartment.
Then you have to pay the realtor's fee.
Maximum rate of their fee is stipulated in law.
Most of the realtors demand this maximum rate.
So, in this apartment, their fee would be like this.
{ (USD338,000 x 3%)+ USD600 } x 1.08(consumption tax) = USD 11,599 —————————②