The San Jose metro area is really one of kind in the country as far as traffic, congestion, new development, and construction. It’s definitely a big city going through some growing pains and feeling the lack of urban planning.
But when you get into smaller Central Valley towns, it’s totally different. Towns like Grecia and Atenas are still bustling in the downtown areas. But once you drive 10 minutes you are back in the farms and forest. Very quiet and more of a rural/village atmosphere. For example, in Grecia, you might check out communities like El Cajon or San Isidro de Grecia, and in Atenas, Santa Eulalia.
Even a bigger town like Heredia (Santa Barbara de Heredia) or San Ramon (Magallanes) has little villages in the surrounding mountains that are largely rural and very quiet. This would be where most expats live.
You also have rural areas and tiny little villages all over the Central Valley where life is still very traditional and there are no crowds at all. A few that come to mind would be Tacares, Barva, Miramar, and Cachi.