Link: www.lotpixel.com
LotPixel has a lot of Free Textures (brick, wooden, stone) . They have a lot of 8K textures for Archviz. If you want to download 16K if you create premium account.
Wooden Textures : https://www.lotpixel.com/texture-library?page=1&product=16&order=&sub=
Brick Textures : https://www.lotpixel.com/texture-library?page=1&product=3&order=&sub=
Stone Textures : https://www.lotpixel.com/texture-library?page=1&product=13&order=&sub=
