The median sales price for homes in Charlestown for Sep 13 to Dec 13 was $519,000. This represents an increase of 1.8%, or $9,250, compared to the prior quarter and an increase of 17.5% compared to the prior year. Sales prices have appreciated 22.1% over the last 5 years in Charlestown, Boston. The median sales price of $519,000 for Charlestown is 17.95% higher than the median sales price for Boston MA. Average listing price for homes on Trulia in Charlestown was $607,173 for the week ending Dec 11, which represents a decline of 1.6%, or $9,939 compared to the prior week and a decline of 0.6%, or $3,407, compared to the week ending Nov 20. Average price per square foot for homes in Charlestown was $529 in the most recent quarter, which is 4.75% higher than the average price per square foot for homes in Boston.