San Jose Mercury News reports that Google is talking to CoStar Group to integrate their real estate data into Google's mapping system.

The reports goes on to note that Yahoo is talking to CoStar also.

"Google approached us some number of months ago wanting to work on some initiatives with us, and we have licensed some content to Google already," said Andrew Florance, chief executive officer of CoStar Group. He didn't disclose terms.

CoStar tracks more than 200 bits of data on commercial buildings in the 80 or so biggest markets in the United States. It also plans to expand to the top 200 markets. It also has operations in the United Kingdom.

The combination of CoStar's data with Google Earth's technology, allows users to zoom in and "fly" through cities and neighborhoods, makes for "mind-bending" possibilities, Florance said.

Real the full article.