Welcome to use our services
How can we help you?
Interested in technology?
Are you interested in drones, satellites or perhaps apps using spatial data? In our research projects, we create new solutions for a better world.
Most popular services
Open data file download service
Download open maps and aerial photo datasets.
Look at topographic maps, aerial photos, property identifiers and property boundaries. You can also buy maps.
View and download maps
Topographic data and how to acquire it
Topographic data collected by the National Land Survey is available e.g. as downloadable data sets or via interface services.
Register your ownership of a property
Register your ownership of a property by applying for a pro forma registration of title.
How to find out the property identifier
The property identifier is the key to information about the real property unit. Find out what it is before contacting us.
When to apply for a cadastral survey?
A cadastral survey is the means of forming new properties, defining the dimensions of a property and changing rights related to properties.
Who owns this property unit?
To find out who owns a property, you must know its property identifier.
Check the current status of applications and services. Status data is updated Mon–Fri 8:00–16:15.
Sustainability at the NLS
The themes of our future sustainability programme are data to serve society, people who feel well, sustainable environment, and sustainable way of working and economic sustainability.
Housing company and apartment information in one system
Paper share certificates will become history as share certificates are saved in the electronic system.
Struve Geodetic Arc in Finland
The Struve Geodetic Arc is a chain of survey triangulation measurements stretching from the Arctic Sea to the Black Sea.