I wanted to bump this topic back to the top of feed

Oft discussed on here rarely followed through with by most posters. Your best bet is to research schools near you that you think you have a shot at getting into, see what degrees and dual programs are offered. Reach out to firms you might like to work at and ask what they’re looking for in terms of education. Not a lot of developers on this forum, despite lots of chatter on the subject.

This is a topic that interests me as well. I currently work in real estate (not development, but I consult for developers), and I want to have more influence on the design of what is built. I am applying for an M. Arch now and hope to eventually work with a firm that does both development and design. I don't know about dual degree programs, but I have seen a few schools that offer certificates in real estate (Penn and Berkeley come to mind). I would recommend identifying some firms doing the kind of work you're interested in and reaching out via LinkedIn to chat about what they're looking for. 

I am personally a little concerned that we may have to create unique roles for ourselves; I haven't seen a lot of people with job titles that indicate an interdisciplinary role at those firms. It seems like they have their business people and their design people, and not a lot of crossover. We might have to start out on one side of that divide and gradually demonstrate value we can bring in both roles.

I'd say reverse engineer it. Check out the places that do what you are interested in and see what would get you hired at such a place before signing up to any expensive programs.