An anchor and railing assembly for anchoring a baluster or balustrade to both outdoor and indoor structures, such as raised, generally flat or angled roof-like structures or indoor stairs or floors, which includes an anchor baseplate with a top surface and a bottom surface, and an internally threaded bore extending at least partially from the top surface generally towards the bottom surface, a baluster, fasteners for fastening the baluster to the anchor baseplate via its bore, and fasteners for fastening the anchor baseplate to either an outdoor or indoor structure.