Today 21046, Columbia MD is count around 9 homes for sale at current average listing price of $541,100. Nearby neighborhoods of 21046 are None Available, Glen Oaks, Glenshire Towne, Hideaway, Huntington, Oakhurst Ii, Stonebrook, Village Of Kings Contrivance. Most of 21046 homes are 4 bedrooms with 3 bathrooms.