As of today, , there are 22 properties for sale in the 21084 area and 22 properties listed for sale in the city of Jarrettsville. This single family residential home at 3430 N Furnace Rd in ZIP code 21084 was last listed for $476,833. This is 6% below the current $508,200 median price for Jarrettsville and 6% below the median of $508,200 for the ZIP code. Of the 22 properties for sale in Jarrettsville, 22 are single family homes and 0 are condos. 3430 N Furnace Rd is a single family residential home that is approximately — square feet, 100% below the city median of 2,775 and 100% below the 21084 ZIP code median of 2,775. The price per Sqft was — which is 100% below the current median price in 21084 of $170 and 100% below the Jarrettsville median of $170 per square foot.