There are several companies which offer this service free of charge. The most widely known is Google. Google Maps and Google Earth are both great, free ways to get an aerial view of your house.
You can very easily view your house via satellite through Google and Microsoft. Go to the Google Maps website and put in your address. Then you can zoom into your house. Alternately you could go to Bing.com and go to their map page. They offer a birds-eye view.