Rebuild or take down a 3 decker back porch?

[Roee Agami]

Not sure if I picked the right forum for my question:

I own a 3 unit brick building in Boston. Inspection showed the wooden back porches need some attention.

I got quotes to rebuild it for 15K$ or take it down for ~6K$.

Do you think adding the extra 9K$ is worth it for having porches?

Thanks.