The number of new residential building permits was down 0.5% compared with April 2014, the data also showed.
Residential constructions in rural areas made up for 65.3% of the new permits issued in April 2015.
New permits for non-residential buildings, including administrative structures, were at 559 units, from 630 units in March.
In the first four months, Romanian authorities issued 10,531 housing permits, up 1.9% from the same period of 2014.