Today Gretna, Omaha NE is count around 170 homes for sale at current average listing price of $520,889. Nearby neighborhoods of Gretna are Parkview, Hills of Aspen Creek, Magnolia, Giles Pointe, Windsor West, Gruenther Ridge, Lincoln Ridge, Harvest Hills, Aspen Creek North, Tiburon. Most of Gretna homes are 4 bedrooms with 3 bathrooms.