- Bel Air Heights [ Clatskanie City ]
- Casselmans Wharf [ Scappoose City ]
- Cedar Grove Estates [ Clatskanie City ]
- Chapman [ Scappoose City ]
- Cherrywood Estates [ St Helens City ]
- Chinook Crossing [ Scappoose City ]
- Clatskanie Woods [ Clatskanie City ]
- Columbia Hills [ Scappoose City ]
- Columbia River Estates [ Columbia City ]
- Columbia River View Estates [ Scappoose City ]
- Columbia View Heights [ Columbia City ]
- Cory Hill [ Vernonia City ]
- Country Meadow Estates [ St Helens City ]
- Crown Point [ Warren ]
- Crown View [ Clatskanie City ]
- Dalton View Estates [ St Helens City ]
- Eagle Lake Bluffs [ St Helens City ]
- Eastman Hill [ Clatskanie City ]
- Elk Ridge [ St Helens City ]
- Evergreen Park [ Vernonia City ]
- Hankins [ St Helens City ]
- Homestead Forest [ St Helens City ]
- Jacob Park [ Scappoose City ]
- Kaesey [ Vernonia City ]
- Keys Orchard [ Scappoose City ]
- Koehler Acres [ Scappoose City ]
- Lincoln Park [ Vernonia City ]
- Lone Oak Estates [ St Helens City ]
- Maxs Moorage [ St Helens City ]
- Mazour Acres [ Warren ]
- McBride Place [ St Helens City ]
- McCuddys Marina [ Scappoose City ]
- Meadow View Estate [ St Helens City ]
- Meadowbrook [ St Helens City ]
- Multnomah Channel Yacht Club [ Scappoose City ]
- Oakridge Estates [ St Helens City ]
- Panorama Terrace [ Warren ]
- Paradise Moorage [ Scappoose City ]
- Parkwood Crossing [ St Helens City ]
- Pioneer Crossing [ Scappoose City ]
- Quincy [ Clatskanie City ]
- Ridgecrest [ St Helens City ]
- River Club Estates [ Columbia City ]
- River Ranch [ Clatskanie City ]
- Scappoose Heights [ Scappoose City ]
- Sequoia Creek [ St Helens City ]
- Seven Oaks [ Scappoose City ]
- Springlake Park Community [ Scappoose City ]
- Strawberry Hill Estates [ St Helens City ]
- Sunset Heights [ St Helens City ]
- Talus Park [ St Helens City ]
- Trenholm [ St Helens City ]
- Vernonia [ Scappoose City ]
- West Hills [ Scappoose City ]
- Woods Heights [ Warren ]