not seeing any real estate data

[gatheringpoint.com]

This query is for real estate around San Francisco. At radius of 10,
100, or 1000 miles I get no response. At 10,000 miles I get a single
listing in Anchorage.

http://geoapi.fwix.com/content.xml?api_key=xxxxxx&lat=37.77493&lng=-122.419416&radius=10000&content_types=real_estate

Is more data available? What's the status on this category?

Thanks,
Spencer