Home prices rose in every ZIP code in the Las Vegas Valley in 2018 for the second year in a row, according to SalesTraq. Prices grew fastest in older, more centrally located areas. But prices were highest in the suburbs. The top three ZIP codes for price growth were 89119 (29.8%), 89146 (25%) and 89030 (24.6%). The top three ZIP codes for median sales prices were 89138 ($464,500), 89135 ($420,500) and 89052 ($370,000).