Glad to know you were at Singapore, It's really wonderful to spend some holidays with family and without family ;) :p hahaha
What I like about the picture is that the close houses are giving it a very beautiful look, and they're from water is adding more beauty to it,
Are these are the house or just guest house?
I mean I wanna know are these are a residential house or rented a place?
They are called "shophouses." They were built decades ago. At that time, families lived on the 2nd and 3rd floor, and had a shop on the 1st floor (the Ground floor).
Now, few people live in these old buildings, but they are refurbished and renovated, and now they have only shops. It's a great way of preserving the city's history.
Nowadays, most Singapore people live in houses or apartments or condominiums.