さん世帯 せたい住宅 じゅうたくではありません
sansetaijūtakudewārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 3世帯住宅

1. Is not a three-generation household.; It is not a multi-generational home.

Negative
Polite
Formal Register