There is no free public API for Norwegian land listings. Unlike the US (Zillow), Norway's market is dominated by Finn.no, which does not expose an open listings API.

• Finn.no — dominant marketplace for tomt (plots) and næringseiendom (commercial). No open API; search-page deep-links only.
• Kartverket / Matrikkelen — the official cadastre. Owner, area, and boundaries are public record via Se eiendom.
• Geonorge — WMS/WFS for parcels, hydro, grid (NVE, Statnett).

To wire real listings you would need a licensed Finn.no partner feed or a scraper you host yourself; neither is bundled here.

Norway's property register is the Matrikkel, maintained by Kartverket. It is public record.

• Parcel boundaries (teiggrenser) render as a free WMS tile layer from Kartverket — no key needed.
• Owner, area, sale history — public via Se eiendom (seeiendom.kartverket.no).
• Owner contact info — not surfaced. See note below.

Enable the Parcel Boundaries layer, then zoom to ≥ 13 and click any point — the AI Advisor shows a Se eiendom deep-link that lands you on the exact parcel (coordinates reprojected to EPSG:25833 / UTM33 automatically).

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