Detail this asset from Unity Asset Store: Original Link
This is a paid asset, but we’ll share Town Constructor Pack Free for you. Enjoy!!!
Town Constructor Pack v1.3
This is a huge Town Constructor Pack for creating your own town.
50% Holiday sale
1) 100+ modular parts. Allows you to construct various types of city assets (ex: buildings, road patterns, etc.)
2) 50+ high quality street props
3) 11 base architectures
4) 33 premade buildings for fast city building or individual use
5) 11 ultra-low resolution buildings for Background use
7) Demo scene