Yes, PARLOUR is a Scrabble word!

Letter values in Scrabble US: P 3, A 1, R 1, L 1, O 1, U 1, R 1.

Is it a valid word?

PARLOUR is a valid word in the official Scrabble dictionary (US), the UK Scrabble Dictionary and Words with Friends (ENABLE).

reception room in an inn or club where visitors can be received
a room in a private house or establishment where people can sit and talk and relax

Also: living room, living-room, sitting room, front room.