Detail this asset from Unity Store: Original Link
This is a paid asset, but now you can download Low-poly Western Town Free.
Low-poly Western Town v1.1
Welcome!Mobile-Friendly Western Town
The pack contains 18 prefabs. Houses, buildings, props and more.
You can see examples on the Sketchfab. The texture maps (from 1024px up to 2048px) are made special for Standard Metallic Shader and contain AlbedoTransparency, MetallicSmoothness, and Normal maps.
Also, ready for the mobile shader.