Prices were also unchanged from a year earlier, retreating from a 0.1% increase in May.
The property sector, accounting for one-fourth of activity in the world's second-biggest economy, slumped sharply last year as developers defaulted on debts and suspended construction of presold housing projects.
Markets widely expect more stimulus around a meeting of the ruling Communist Party's Politburo late this month, setting the tone for economic policies in the second half of the year.
Thirty-one of the 70 cities monitored by NBS recorded month-on-month rises in new home prices, down from 46 in May.
Prices were flat after rising in May in tier-one cities including Beijing and tier-two cities.
Persons:
Chen Xiao, Hunter, Chen, Zou Lan, Goldman Sachs, dampening, Qiaoyi Li, Liangping Gao, Ryan Woo, Kim Coghill, William Mallard
Organizations:
National Bureau of Statistics, Communist Party's Politburo, Zhuge, NBS, People's Bank of China, Thomson
Locations:
BEIJING, Beijing