University of Southern California
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USC GIS Research Laboratory
AJAX Address Validation

Enter portions of a postal address and the service will display the valid options for the remaining portions of valid addresses based upon what you have entered so far.

Notes
- The databases this is based on are large so it might take a moment for the fields to fill.
- Only the attributes in bold are currently implemented as AJAX autofills.

1) Narrow the location to a set of streets

State (example: CA)
City (example: Los Angeles)
ZIP (example: 90089)

2) Get the valid streets in the larger location

Street Predirectional (example: S)
Street Name (example: Vermont)
Street Type (example: Ave)
Street Postdirectional (example: S)

3) Get the valid house numbers on the street

Street Number (example: 3620)

Usage Fees and Rules

Our services are provided free of charge in allotments of 2500 transactions. All we ask is that you cite us in your work and/or add a link to us on your website.

Details of our usage policy including how to obtain additional credits and non-throttled access to our services are available on this page. Please contact us if you need more information.

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