Ask your Realtor and they should be able to get that information with you. There were many independent builders/contractors in Arizona City that build homes. In Phoenix area you tend to see more large builders putting in a subdivision.
If you wish to research yourself check the tax records in Pinal County for the original owners in the deed transaction history.
Arizona Homes and Land
Floor plans are filed with the city building department, but that is a tedious process to pull up those plans one hose at a time.