Today dumbarton, Towson MD is count around 17 homes for sale at current average listing price of $1,024,146. Nearby neighborhoods of dumbarton are Rodgers Forge, Ruxton, Aigburth, Anneslie, Devon Hill, Donnybrook, Fellowship Forest, Idlewylde, Loch Hill, None Available. Most of dumbarton homes are 4 bedrooms with 3 bathrooms.