An inner south neighbourhood without a grand centre
Calamba is a compact established area between Labangon and the central approach roads. It is useful for someone who wants an inner south address with local streets rather than a planned apartment district. Its practical appeal comes from being close to several directions, not from a single destination within the neighbourhood.
The nearby central and southern roads make commuting possible, but they also mean that the exact street is decisive. A quieter lane may be comfortable while the approach road carries the traffic that makes the whole area feel busier than expected. Check where a car waits, how deliveries arrive and how the walk meets the main road.
Calamba is suited to residents with a central or southern routine. It is less suited to a household that wants a self contained estate or a straightforward trip to the northern business corridor. The area is modest, established and practical, which is enough if that is what the lease needs to do.
My verdict
I would consider Calamba for central access at a local scale. I would choose the street and building carefully, then stop expecting the area to provide a lifestyle package. It is a useful base, not a spectacle.