Out and About: $1 million here, $1 million there

Riverside Park on a balmy winter’s day

Two co-ops about a block apart on Riverside Drive have some commonalities.

Each has direct river views of the Hudson along the Upper West Side and each needs pretty extensive renovations.

The classic five-room unit is a few floors below the midpoint of its building and has two and a half baths, while the other one is four floors higher and contains three baths.

Although the larger apartment covers 3,000 square feet, the smaller one seems to have only 1,800, based on others in the same line.

Having full-time doormen and welcoming pets, their buildings were constructed in 1920s.

All things otherwise being equal — and certainly they are not —