Searching for Howard County MD homes for sale in 21043? Jack Cooper Realty helps you explore the newest homes in Ellicott City’s 21043 area, known for established neighborhoods, convenient access to Route 29, I-70, and I-695, and close proximity to shopping, dining, parks, and top-rated schools. From classic single-family homes to townhomes and condos, 21043 offers great options for a variety of lifestyles. Our listings update every 15–60 minutes, so you’ll always see the newest properties as soon as they hit the market.