- Find a Real Estate Professional
- Realtors®
- Mortgage Lenders
- Home Improvement Pros
- Other Real Estate Services
- Review an Agent, Lender or Pro
- Marketing on Zillow
- Real Estate Agent Advertising
- Join the Professional Directory
- Popular
- Real Estate Market Reports
- More
Answers (2)

- Neil R
- Contributions:2899
Hi mm2012 -
Our data providers upload geocodes and data into the site from your county records and other sources. These codes and data are placed on top of each other which in turn form our maps.
Thank you.
Neil
Zillow Customer Support
Our data providers upload geocodes and data into the site from your county records and other sources. These codes and data are placed on top of each other which in turn form our maps.
Thank you.
Neil
Zillow Customer Support

- John Stewart, "nwhome.us"
- Contributions:2166
City of Seattle Maps might be a start.
Where does zillow source its neighborhood boundaries from?
Stating a discriminatory preference in an advertisement for housing is illegal. If you think this content is discriminatory or otherwise inappropriate and feel it should be removed from Zillow, please let us know by completing the information above.
We will review this content. Thanks for helping make the site more useful to everyone. To learn more, read Zillow's Good Neighbor Policy.