Buying a home in Cosio Valtellino
5,482 residents at the 2021 census, 3,026 buildings and 24 km² of territory, Lombardia.
Cosio Valtellino is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2. According to ISPRA’s mosaic, 4.3% of the territory of Cosio Valtellino has high or very high landslide hazard (P3 and P4), with 2% of the residents. 3.1% of the territory of Cosio Valtellino is in the flood area of the medium-probability scenario (P2), with 1.9% of the residents.
Find your address in Cosio Valtellino
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Cosio Valtellino compared
| ISPRA indicator | Cosio Valtellino | SO | Lombardia |
|---|---|---|---|
| Landslide, very high hazard (P4) | 0.7% | 6.4% | 3.7% |
| Landslide, high hazard (P3) | 3.6% | 8.2% | 2.9% |
| Landslide, areas of attention | 0% | 0% | 0% |
| Residents in landslide areas P3-P4 | 2% | 3.2% | 0.4% |
| Buildings in landslide areas P3-P4 | 3.9% | 4.1% | 1.1% |
| Flood, high probability (P3) | 1.9% | 3.6% | 7.9% |
| Flood, medium probability (P2) | 3.1% | 4.7% | 10.2% |
| Flood, low probability (P1) | 22.8% | 9% | 20.3% |
| Residents in P2 flood areas | 1.9% | 5% | 4.4% |
| Buildings in P2 flood areas | 1.7% | 4.3% | 4.7% |
Questions
Which seismic zone is Cosio Valtellino in?
Cosio Valtellino is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2.
How much of Cosio Valtellino is in landslide class P3/P4?
According to ISPRA’s mosaic, 4.3% of the territory of Cosio Valtellino has high or very high landslide hazard (P3 and P4), with 2% of the residents. By share of territory with landslide hazard P3-P4, Cosio Valtellino ranks 57th of 77 municipalities in the province of Sondrio.
How much of Cosio Valtellino is in flood scenario P2?
3.1% of the territory of Cosio Valtellino is in the flood area of the medium-probability scenario (P2), with 1.9% of the residents. By share of territory in the P2 flood area, Cosio Valtellino ranks 49th of 77 municipalities in the province of Sondrio.
Guides: seismic zone · landslides and floods · what to check before an offer. OMI prices: GEOPOI (how to read them).
Nearby municipalities
| Municipality | Seismic zone | Landslide P3-P4 | Flood P2 |
|---|---|---|---|
| Rasura | 4 | 11.8% | 0% |
| Rogolo | 4 | 30% | 4.7% |
| Andalo Valtellino | 4 | 23.4% | 6.5% |
| Traona | 3 | 0.7% | 15.7% |
| Pedesina | 4 | 25.9% | 0% |
| Cercino | 4 | 0.2% | 7.2% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on