Overall, this is the sort of thing that cities do not want to approve in neighborhoods zoned for single family residences. Additionally, MANUFACTURED homes come with a number of restrictions and many cities do not want to see these in normal neighborhoods under any circumstances. If you are referring to a MODULAR home, that would be a different scenario and, if applicable, would stand a better chance of being allowed.
To understand the difference, see the following link:
Additionally, actually getting a modular home into a backyard in an existing neighborhood could pose some real challenges.
As stated below, contact Concordâ€™s planning department.