Assignation of a house number

The Decision on assigning a house number to the building and the Certificate on the house number of the building are issued by the locally competent cadastral office of the State Geodetic Administration, or the City Office for Cadastre and Geodetic Affairs of the City of Zagreb

All buildings with residential, mixed, commercial, public and social purposes, underground buildings with a separate entrance and buildings used for temporary residence must be marked with house numbers.

Decision on assigning a house number to the building or the Certificate on the house number of the building

The State Geodetic Administration has enabled citizens to electronically submit applications and download public documents, namely the Decision on assigning a house number to the building (for buildings to which a house number is not yet assigned), and the Certificate on the house number of the building.

It can be accessed via the link One-Stop-Shop of the Joint Information System of Land Registry and Cadastre (JLS OSS)
It is required to sign-in in the same way as all citizens of the Republic of Croatia do - via NIAS (e-Citizens).

Another way to obtain the Decision on assigning a house number to the building or the Certificate on the house number of the building is to send an application for assigning a house number to the building or an application for issuing the Certificate on the house number of the building to the locally competent cadastral office of the State Geodetic Administration, or the City Office for Cadastre and Geodetic Affairs of the City of Zagreb, and you can download the application form here:

Application for assigning a house number to the building

Application for issuing the certificate/decision on the house number of the building

You can find a list of regional cadastral offices and their departments and branches on the website of the State Geodetic Administration

Regional cadastral offices,

and contacts for the City Office for Cadastre and Geodetic Affairs of the City of Zagreb on the official website of the City of Zagreb:

City Office for Cadastre and Geodetic Affairs.

The Decision on assigning a house number to the building shall include information on the settlement, the street and the cadastral plot number on which the building was constructed.

A sign with the house number of the building shall be installed by the owner of the building. 
The costs of procuring and installing signs shall be borne by the owner or user of the building.