{"status":"matched","candidates":[{"kind":"property","label":"Harjuviita 18, Espoo (49-418-1-1290)","cadastral_id":"49-418-1-1290","property_id":"04941800011290","municipality":"Espoo","addresses":["Harjuviita 18"],"address_count":1,"mapped_area_m2":2083,"parcel_count":1,"buildings":{"coverage":"partial","count":1,"main_types":["Blocks of flats"],"gross_floor_area_m2":2400},"location":{"lat":60.17630674970701,"lon":24.826715978657404},"map_url":"https://tonttikartta.fi/app/basemap-v7/?sel=49-418-1-1290#16/60.1763067/24.8267160","canonical_url":"https://tonttikartta.fi/kiinteisto/04941800011290","views":[{"id":"noise","title":"Noise","meaning":"Mapped road, rail and aircraft noise areas as decibel bands.","status":"unknown","availability":"where_mapped"},{"id":"kaava","title":"Detailed and master plans","meaning":"The municipality's current detailed plan map with detailed and master plan areas.","status":"present","availability":"municipal"},{"id":"regional_plan","title":"Regional plan","meaning":"Regional councils' combined plan maps as an overview.","status":"unknown","availability":"unknown"},{"id":"planning_projects","title":"Planning projects","meaning":"Plans in preparation, by stage.","status":"present","availability":"municipal"},{"id":"nature","title":"Nature protection","meaning":"Nature reserves and Natura 2000 areas.","status":"present","availability":"national"},{"id":"flood","title":"Flood risk","meaning":"Areas identified in flood-risk information.","status":"present","availability":"national"},{"id":"heritage","title":"Cultural heritage","meaning":"Archaeological sites, nationally significant built environments and protected buildings.","status":"present","availability":"national"},{"id":"soil","title":"Soil and ground","meaning":"Generalized ground types nationwide and the detailed soil map where available.","status":"present","availability":"national"},{"id":"groundwater","title":"Groundwater areas","meaning":"Mapped groundwater areas and their classification.","status":"present","availability":"national"},{"id":"lake_depth","title":"Lake depth","meaning":"Surveyed lake-depth zones where available.","status":"present","availability":"national"},{"id":"population","title":"Population density","meaning":"Residents per km² in 1 km grid squares.","status":"present","availability":"national"},{"id":"population_change","title":"Population change","meaning":"Where the number of residents in 1 km squares grew or fell.","status":"present","availability":"national"},{"id":"postal","title":"Postal-code areas","meaning":"Postal-code boundaries with compact area statistics.","status":"present","availability":"national"},{"id":"aerial","title":"Aerial imagery","meaning":"MML orthophoto with property boundaries.","status":"present","availability":"national"},{"id":"historical","title":"Historical aerial imagery","meaning":"The newest available historical aerial photo over today's imagery.","status":"present","availability":"national"},{"id":"terrain_3d","title":"3D terrain","meaning":"Terrain relief as a tilted three-dimensional view.","status":"present","availability":"national"},{"id":"construction","title":"Construction projects","meaning":"Planned and started building projects from recent months.","status":"present","availability":"national"},{"id":"identifiers","title":"Property identifiers","meaning":"MML's official property identifiers on the map.","status":"present","availability":"national"}],"official_links":{"note":"Navigation destinations on the authorities’ own services, not data. Give them to the person as next steps.","municipality":"Espoo","links":[{"kind":"municipal_viewer","label":"Espoo's own zoning map (ajantasa-asemakaava) at this property","url":"https://kartat.espoo.fi/IMS/en/Map?layers=Opaskartta&lon=Ajantasa-asemakaava&cp=6673730,25490380&z=1&title=Selected%20location"},{"kind":"municipal_planning","label":"Espoo: planning and zoning page","url":"https://www.espoo.fi/fi/asuminen-ja-rakentaminen/kaupunkisuunnittelu/kaavat"},{"kind":"municipal_map","label":"Espoo: map service","url":"https://kartat.espoo.fi/"},{"kind":"karttapaikka_property","label":"The property in MML Karttapaikka (National Land Survey)","url":"https://asiointi.maanmittauslaitos.fi/karttapaikka/?lang=en&search=04941800011290&showOnMap=true"}]},"sources":[{"id":"fi.mml.krk:PalstanSijaintitiedot","label":"National Land Survey of Finland — cadastral index map","url":"https://www.maanmittauslaitos.fi/kiinteistot","release_id":"c26f237d-24c8-5397-9257-3a03632952d9","source_date":"2026-08-20","source_date_basis":"register_state","kind":"source"},{"id":"fi.syke.ryhti:open_address","label":"Finnish Environment Institute — Ryhti addresses","url":"https://ryhti.syke.fi/","release_id":"ec9936c1-0cbd-5ed5-b273-497fdefb5baa","source_date":"2026-08-26","source_date_basis":"record_modified","kind":"source"},{"id":"fi.syke.ryhti:open_building","label":"Finnish Environment Institute — Ryhti buildings","url":"https://ryhti.syke.fi/","release_id":"c626fba0-d5d0-5cad-85cb-e8c194154ab9","source_date":"2026-08-26","source_date_basis":"record_modified","kind":"source"},{"id":"fi.mml.hallinnolliset_aluejaot:kunta","label":"National Land Survey of Finland — municipal division","url":"https://www.maanmittauslaitos.fi/maastotiedot","release_id":"c333b431-cf6c-5162-85b8-ab239415a2a1","source_date":"2026-01-01","source_date_basis":"valid_from","kind":"source"},{"id":"tonttikartta.discovery.v1","label":"Tonttikartta processing","url":"https://tonttikartta.fi/api/v1/docs","release_id":"20261028-seo-1","source_date":"2026-10-28","source_date_basis":"published","kind":"derived"}],"caveats":[{"code":"representative_location","fields":["location"],"message":"The representative map location is not an entrance and does not represent every parcel."},{"code":"map_derived_area","fields":["mapped_area_m2"],"message":"Area is calculated from mapped parcel geometry by Tonttikartta; it is not the official registered area. The official register area is not open data."},{"code":"building_coverage","fields":["buildings"],"message":"Building data is partial: counted are open building-register (Ryhti) records whose register point lies inside a parcel. The open register is not exhaustive (small, unregistered or recent buildings may be missing), buildings registered with a point outside the parcels are left out, and gross_floor_area_m2 is null when any counted building lacks a floor area. A null or low count does not mean the plot is unbuilt."},{"code":"spatial_address_match","fields":["addresses","address_count"],"message":"An address point inside a parcel is a spatial match, not an official address-to-property association."}]}],"caveats":[],"message":"Summaries grounded in official registers and other identified sources; not authoritative. Agent guide: https://tonttikartta.fi/llms.txt. Offer map_url so the person can explore the property on the map.","service_status":"beta","authoritative":false,"disclaimer":{"version":"3","text":"Tonttikartta is not an official or authoritative source. Its summaries are grounded in official registers and other explicitly identified sources, but Tonttikartta’s processing, matching and interpretation may contain errors, omissions or outdated information. This is not an official cadastral extract and does not establish ownership, legal boundaries, building rights or permitted use. Verify information against the relevant authority’s current records before making decisions.","short":"Not an official source: verify decision-relevant information with the relevant authority."}}