Today dumbarton, Towson MD is count around 14 homes for sale at current average listing price of $1,141,377. Nearby neighborhoods of dumbarton are Ruxton, Rodgers Forge, Aigburth, Burkleigh Square, Chestnut Hill, Devon Hill, Fellowship Forest, Idlewylde, Loch Hill, None Available. Most of dumbarton homes are 4 bedrooms with 3 bathrooms.