2-1-1 Texas - Statewide database of social service resources. Allows searching by zip code, though also try using the "word search" linked at the bottom (i.e. "food bank") and then zoom into your neighborhood of interest.
Austin 3-1-1- One stop access to city services and information. Call or send an online service request with your questions.
Austin American Statesman- Access to recent archives of the Austin American Statesman is available through UT Libraries subscription to LexisNexis Academic. Click on the "Advanced Options" link to limits to specific newspapers.
Austin Neighborhood Council - Track down the neighborhood association for the zip code you're investigating.
Open Data Austin Portal - A repository of local data