Today Gretna, Omaha NE is count around 160 homes for sale at current average listing price of $518,951. Nearby neighborhoods of Gretna are Parkview, Giles Pointe, Magnolia, Hills of Aspen Creek, Windsor West, Gruenther Ridge, Harvest Hills, Lakeview, Lincoln Ridge, Aspen Creek North. Most of Gretna homes are 4 bedrooms with 3 bathrooms.