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BEV Cadastral Integration
Austria's BEV (Bundesamt für Eich- und Vermessungswesen) provides parcel data. Grundbuch (land register) maintained by district courts — ownership, mortgages, easements. RiskAI X integrates BEV open data for any Vienna address.
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Seismic Risk — Vienna Basin
Vienna sits on the Vienna Basin graben system — an active tectonic structure. ÖNORM EN 1998-1 places Vienna in Zone 1-2 (PGA 0.04-0.08g). Historical earthquakes: 1590 (M5.8), 1972. Higher risk than Czech Republic or Poland, lower than Italy or Greece.
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Danube Flood Analysis
Vienna's Danube New City (Donaustadt) has significant flood risk managed by the Neue Donau flood relief channel. 1954, 2002 and 2013 major events. Flood protection infrastructure is excellent but properties near the Alte Donau need individual assessment.
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AI Investment Grade
Claude AI evaluates seismic zone, flood risk, Gemeindebau proximity (affects private market pricing), heritage status (Innere Stadt UNESCO zone), and rental regulation impact for each Vienna district.
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UNESCO Heritage — Innere Stadt
Vienna Innere Stadt (1st Bezirk) is UNESCO World Heritage. Major renovation requires city approval. Strict Denkmalschutz (monument protection) applies to thousands of Historicist and Jugendstil buildings across all districts.
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Austrian Property Law
Notarial deed (Kaufvertrag) required. Grundbuchseintragung (cadastral registration) essential. Grunderwerbsteuer (transfer tax) 3.5%. Estate agent commission: max 3% + VAT each side. EU citizens: no restrictions. Non-EU: Magistrat approval needed.