These houses are mostly twins, and usually there is more turnover with twins than with singles in Havertown. The twins are sometimes used as "starter" homes and then people move up to the larger homes. I live on Sycamore, a few blocks away. This area in general is very stable -- my street has original families living in many of the houses, and their grown children tend to stay in the area -- kind of like South Philly. Are you thinking of moving to Havertown from Massachusetts? We will be putting our house on the market soon. You can see it at the weblink shown. Good luck. Ask me anything else you need to know about the area.