If you want to move to Herriman, Utah there are some good home builders out there I could recommend, but other than that, I have no other suggestions. I'd suggest one that doesn't have a problem with DXing, but thats just me .
If I was having a house built, I would do what Ken says and also have them put farraday cages around the places that would cause a lot of interference, like electrical boxes and laundry rooms etc. There is probably no sure way to eliminate all interference. As far as FM/TV, build a house with a huge roof that can hold a few antennas, or have them put one of those self supporting towers in for you