OBS_VALUE: <ul><li><a href=https://dvv.fi/en/real-estate-building-and-spatial-information target=_blank>Real estate information in the Population Information System of the Population Register Center</a></li><li><a href=http://www.maanmittauslaitos.fi/en/real-property target=_blank>Title and mortgage register by the National Land Survey of Finland</a></li></ul>