Street View Images we can only get from Maps.Google.com

If we can get a front gable roof, then draw two angles, select them,

Alt+X (Calculate Pitch):

Then we can use Pitch 6 for this house.

If no front gable roof, but there is side gable roof, then we can use:

Draw two angles, then hit Alt+X we get:

So for this house, we can use pitch 5.