Details on the Greenbriar neighborhood BOUNDARIES: Stringfellow Road to the west, Route 50 to the north, the Fairfax County Parkway to the east, and Melville Lane (including Morning Spring Lane and Marshall Hall Lane) to the south. SCHOOLS: Greenbriar East and Greenbriar West elementary schools, Rocky Run Middle School and Chantilly High School HOME SALES: Seventy-seven houses were sold last year in Greenbriar, at prices ranging from $290,000 to $500,000, according to Joe Dettor of Keller Williams. Recently, 10 houses were listed for sale, at prices ranging from $389,900 to $495,000. Nine were under contract. WITHIN WALKING DISTANCE: Schools, Rocky Run Stream Valley Park, Greenbriar Town Center, community center, Greenbriar Commons park, pool, library. WITHIN 15 MINUTES BY CAR:Route 66, Fairfax County Parkway, Fair Lakes Shopping Center, Dulles International Airport, Centreville, George Mason University, Inova Fair Oaks Hospital.