- Arlene Esates [ Hermiston City ]
- Butte View [ Hermiston City ]
- Carter Addition [ Pendleton City ]
- Desert Oaks [ Hermiston City ]
- Desert Shadows [ Hermiston City ]
- Echo Heights [ Echo City ]
- Hat Rock [ Hermiston City ]
- Highland Summit [ Hermiston City ]
- McNary [ Umatilla City ]
- Minnehaha [ Hermiston City ]
- Overlook Ridge [ Hermiston City ]
- Parkside Estates [ Umatilla City ]
- Pheasant Run [ Hermiston City ]
- Quail Ridge [ Hermiston City ]
- Rice Addition [ Pendleton City ]
- Riverview Bluffs [ Umatilla City ]
- Royal Ridge [ Pendleton City ]
- Sahara Desert Estates [ Hermiston City ]
- Sandstone Addition [ Hermiston City ]
- Shea Meadows [ Hermiston City ]
- Sherwood [ Pendleton City ]
- Skyline Heights [ Pendleton City ]
- Stonewood Estates [ Milton-Freewater City ]
- Sunland Estates [ Hermiston City ]
- Sunridge Estates [ Pendleton City ]
- Valley View Addition [ Pendleton City ]
- Viewcrest [ Hermiston City ]
- Woodward Acres [ Weston City ]