Yes, HOMES is a Scrabble word!

Letter values in Scrabble US: H 4, O 1, M 3, E 1, S 1.

Is it a valid word?

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

where you live at a particular time
housing that someone is living in
the country or state or city where you live
(baseball) base consisting of a rubber slab where the batter stands; it must be touched by a base runner in order to score
the place where you are stationed and from which missions start and end
place where something began and flourished
an environment offering affection and security
a social unit living together
an institution where people are cared for

Also: dwelling house, home plate, home base, nursing home, rest home.