According to Federal Computer Week, the U.S. Census Bureau is exploring ways to share its geospatial data with state and local governments. However, the stumbling block as noted in a September 14th news release is a policy issue: "The Census Bureau is exploring various possibilities to work with local governments to maintain and update its address database in ways that are totally consistent with current Title 13 confidentiality guarantees.” Go here to read more.
Comment: Another solution just might be a slimy green thing called a GECCo. One will be slithering its way into the Twin Cities on October 27th and 28th. Find out all about it by clicking the GECCo promo banner (currently) at the very bottom of this web page.