Buying a home in Castellar Guidobono
398 residents at the 2021 census, 370 buildings and 2.5 km² of territory, Piemonte.
Castellar Guidobono is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2. According to ISPRA’s mosaic, 1.4% of the territory of Castellar Guidobono has high or very high landslide hazard (P3 and P4), with 0% of the residents. 6.8% of the territory of Castellar Guidobono is in the flood area of the medium-probability scenario (P2), with 4% of the residents.
Find your address in Castellar Guidobono
The preview is free: the parcel, the seismic zone and the types of flags. The full dossier costs €29 including applicable VAT.
Castellar Guidobono compared
| ISPRA indicator | Castellar Guidobono | AL | Piemonte |
|---|---|---|---|
| Landslide, very high hazard (P4) | 0% | 2.7% | 3.1% |
| Landslide, high hazard (P3) | 1.4% | 3.9% | 3.7% |
| Landslide, areas of attention | 0% | 0% | 0% |
| Residents in landslide areas P3-P4 | 0% | 1.1% | 1.8% |
| Buildings in landslide areas P3-P4 | 0% | 3.8% | 4.4% |
| Flood, high probability (P3) | 0% | 9.2% | 5.1% |
| Flood, medium probability (P2) | 6.8% | 11.9% | 8.3% |
| Flood, low probability (P1) | 7% | 19.5% | 13% |
| Residents in P2 flood areas | 4% | 3.2% | 4.9% |
| Buildings in P2 flood areas | 3.9% | 4% | 5.8% |
Questions
Which seismic zone is Castellar Guidobono in?
Castellar Guidobono is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2.
How much of Castellar Guidobono is in landslide class P3/P4?
According to ISPRA’s mosaic, 1.4% of the territory of Castellar Guidobono has high or very high landslide hazard (P3 and P4), with 0% of the residents. By share of territory with landslide hazard P3-P4, Castellar Guidobono ranks 123rd of 187 municipalities in the province of Alessandria.
How much of Castellar Guidobono is in flood scenario P2?
6.8% of the territory of Castellar Guidobono is in the flood area of the medium-probability scenario (P2), with 4% of the residents. By share of territory in the P2 flood area, Castellar Guidobono ranks 84th of 187 municipalities in the province of Alessandria.
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 |
|---|---|---|---|
| Volpeglino | 3 | 2.1% | 6.2% |
| Viguzzolo | 3 | 5.7% | 20.4% |
| Casalnoceto | 3 | 1.8% | 6.2% |
| Berzano di Tortona | 3 | 6.2% | 0% |
| Monleale | 3 | 12% | 2.8% |
| Volpedo | 3 | 3.8% | 4.6% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on