This is a paid asset, but now you can download Isometric City Pack Free.
Detail this asset from Unity Store: Original Link
Isometric City Pack v1.0
“If possible, please buy the package to support the developer”
Isometric City Pack containing isometric tiles,which you can use in your private or commercial isometric games or print projects, for example as map illustrations!
This pack containing: 3 biomes of nature(snow, desert and spring), buildings(factories, wildmill, solar panel and modular blocks to make a houses) and roofs (in 8 collors), roads and rails(in 3 biomes), cars and trains(in 8 colors and 8 sides). All tiles on the screenshots.
Over 1500 tiles
In pack you can find: files in vector formats like .svg or .eps , also simple spritesheets and file .unitypackage it including demo scene and all sprites.
I hope you enjoy what I’ve created and if you want to keep up-to-date packs, don’t forget to subscribe my twitter!