Movin' On UP! is a home buyer's location quality and budget optimzer by zipcode [currently covers Los Angeles only]. Current version selects and ranks zipcodes by user's home buying budget range and user weightings for: (1) wealth of the local neighborhood, (2) 5yr home appreciation, and (3) level of criminal activity.
A full explanation of the deployment procedure can be found here on Medium or can be accesed directly by fork here.
You can view the finished app hosted on Amazon Web Services.
Note: App is still in development: (1) it is not currently optimized for speed and (2) current version maybe unstable!