Searching for Baltimore County MD homes for sale in 21136? Jack Cooper Realty makes it easy to find the newest homes in the Reisterstown area, known for its suburban feel, parks, and convenient access to shopping, dining, and major commuter routes. From single-family homes to townhomes and condos, explore great options in ZIP code 21136. Our listings update every 15–60 minutes, so you’ll always see the newest properties as soon as they hit the market.