When looking for a wide variety of high quality, architectural materials, look no further than Arroway Textures.
Arroway's library ranges from wood, stonework, concrete, tiles, and wood flooring. They offer all-in-one bundles for a range in prices but also provide free downloads to each texture individually. Each download provides you with a texture jpeg (diffuse map) as well as a bump map and specularity map too to help enhanced the realism of your textures even more if you're using rendering software such as V-Ray.
The textures at Arroway are top notch and are definitely worth the time to check out. Follow the link below to see their catalog.