Zillow's neighborhood data was released in 2008 under a CC-BY-SA 3.0 data license, as shown in the release notes.
The data folder contains per-state .zip files from Zillow's original release.
There are over 7,000 total neighborhood features in 42 .zip files in total.
Attributes:
- STATE
- COUNTY
- CITY
- NAME
- REGIONID