Peter Owen is active in most of Nassau County in New York including all of the following towns, villages and Hamlets:
Town of Hempstead
- Villages: Atlantic Beach, Bellerose, Cedarhurst, East Rockaway, Freeport, Garden City, Hempstead (village), Hewlett Bay Park, Hewlett Harbor, Hewlett Neck, Island Park, Lawrence, Lynbrook, Malverne, Rockville Centre, South Floral Park, Stewart Manor, Valley Stream, Woodsburgh
- Hamlets: Baldwin, Baldwin Harbor, Barnum Island, Bay Park, Bellerose Terrace, Bellmore, East Atlantic Beach, East Garden City, East Meadow, Elmont, Franklin Square, Garden City South, Harbor Isle, Hewlett, Inwood, Lakeview, Levittown, Lido Beach, Malverne Park Oaks, Merrick, North Bellmore, North Merrick, North Valley Stream, North Wantagh, North Woodmere, Oceanside, Point Lookout, Roosevelt, Salisbury (South Westbury), Seaford, South Hempstead, South Valley Stream, Uniondale, Wantagh, West Hempstead, Woodmere
- Villages located partly in the Town of North Hempstead: Floral Park, Garden City (almost all in Hempstead), Mineola (almost all in North Hempstead), New Hyde Park
- Villages: Baxter Estates, East Williston, Flower Hill, Great Neck, Great Neck Estates, Great Neck Plaza, Kensington, Kings Point, Lake Success, Manorhaven, Munsey Park, North Hills, Plandome, Plandome Heights, Plandome Manor, Port Washington North, Roslyn, Roslyn Estates, Russell Gardens, Saddle Rock, Sands Point, Thomaston, Westbury, Williston Park
- Hamlets: Albertson, Carle Place, Garden City Park, Glenwood Landing, Great Neck Gardens, Greenvale, Harbor Hills, Herricks, Manhasset, New Cassel, North New Hyde Park, Port Washington, Roslyn Heights, Saddle Rock Estates, Searingtown, University Gardens
- Villages located partly in the Town of Hempstead: Floral Park, Garden City (almost all in Hempstead), Mineola (almost all in North Hempstead), New Hyde Park
- Villages located partly in the Town of Oyster Bay: East Hills, Old Westbury, Roslyn Harbor