Matt McGee shared with me on Twitter screen shots of what appears Google testing Google Local Service Ads specifically for realtors. LSA for real estate shows the LSA carousel and takes you into the local service ads interface.
Here you can find local realtors to help you either sell your home or buy a new one. Local Services ads help you connect with people who search on Google for the services you offer. Your ads will show up for customers in your area, so you can keep your calendar full. You can learn more about these over here.
Here are those screen shots:
Greg Sterling covered something like this in August named Google Screened.
I am not sure if this is rolling out or being tested.
Forum discussion at Twitter.