Apartments For Rent Grays Harbor County Wa . Don't forget to use the filters and set up a saved search. In addition, there are 7 houses for rent in grays harbor county with rental rates ranging. 907 W Ocean Ave, Westport, WA 3 Bed, 2 Bath SingleFamily Home 24 from www.trulia.com As of june 2022 the median rental rate in grays harbor county is $1,215 which is $442 (27%) less than the median of $1,657 for washington. Don't forget to use the filters and set up a saved search. Each apartments.com listing has verified information like property rating, floor plan, school and neighborhood data,.