vintagehomeplans:

United States, 1937: Design #514

A charming Spanish Mission style house which has an attached garage with a sundeck over it.

Practical Small Homes by Brown & Blodgett, 1937-4th ed. (St. Paul, MN, USA) —from my library

THIS particular era, after people started making these rectangular prism town lot garages but long enough they were trying to make some architectural sense of them (”deck” etc), I was walking past some examples and discoursing earlier!