Buying a home in Casteggio
6,490 residents at the 2021 census, 2,618 buildings and 17.7 km² of territory, Lombardia.
Casteggio is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2. According to ISPRA’s mosaic, 3.5% of the territory of Casteggio has high or very high landslide hazard (P3 and P4), with 0.2% of the residents. 1.1% of the territory of Casteggio is in the flood area of the medium-probability scenario (P2), with 1.1% of the residents.
Find your address in Casteggio
The preview is free: the parcel, the seismic zone and the types of flags. The full dossier costs €29 including applicable VAT.
Casteggio compared
| ISPRA indicator | Casteggio | PV | Lombardia |
|---|---|---|---|
| Landslide, very high hazard (P4) | 0.9% | 2.1% | 3.7% |
| Landslide, high hazard (P3) | 2.6% | 3.1% | 2.9% |
| Landslide, areas of attention | 0% | 0% | 0% |
| Residents in landslide areas P3-P4 | 0.2% | 0.4% | 0.4% |
| Buildings in landslide areas P3-P4 | 0.2% | 0.9% | 1.1% |
| Flood, high probability (P3) | 1.1% | 10% | 7.9% |
| Flood, medium probability (P2) | 1.1% | 12.7% | 10.2% |
| Flood, low probability (P1) | 1.1% | 23.6% | 20.3% |
| Residents in P2 flood areas | 1.1% | 2.2% | 4.4% |
| Buildings in P2 flood areas | 1.3% | 2.7% | 4.7% |
Questions
Which seismic zone is Casteggio in?
Casteggio is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2.
How much of Casteggio is in landslide class P3/P4?
According to ISPRA’s mosaic, 3.5% of the territory of Casteggio has high or very high landslide hazard (P3 and P4), with 0.2% of the residents. By share of territory with landslide hazard P3-P4, Casteggio ranks 46th of 185 municipalities in the province of Pavia.
How much of Casteggio is in flood scenario P2?
1.1% of the territory of Casteggio is in the flood area of the medium-probability scenario (P2), with 1.1% of the residents. By share of territory in the P2 flood area, Casteggio ranks 110th of 185 municipalities in the province of Pavia.
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 |
|---|---|---|---|
| Corvino San Quirico | 3 | 19.6% | 0% |
| Montebello della Battaglia | 3 | 1.4% | 0% |
| Torricella Verzate | 3 | 19.3% | 0% |
| Calvignano | 3 | 23% | 0% |
| Verretto | 3 | 0% | 0% |
| Oliva Gessi | 3 | 39.6% | 0% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on