First, install the SketchUp and Google Earth software on your PC, then follow this basic guide on what to do next. Steps for creating a 3D model
It takes you to the point where you have a building shape to which you’ll need to apply photographs (textures) of your own or from Google StreetView. For that, it recommends a 10-minute video that you can watch online.
Note that this “getting started” guide does not address any of the pitfalls you may come across and learn to handle with experience, such as uneven terrain and building surfaces that are not at right-angles! Anyway, Happy Modelling!