Buying a home in Trezzone
237 residents at the 2021 census, 520 buildings and 3.9 km² of territory, Lombardia.
Trezzone is in seismic zone 4: the least hazardous zone: the probability of an earthquake is very low. According to ISPRA’s mosaic, 9% of the territory of Trezzone has high or very high landslide hazard (P3 and P4), with 1.3% of the residents. 0.2% of the territory of Trezzone is in the flood area of the medium-probability scenario (P2), with 0% of the residents.
Find your address in Trezzone
The preview is free: the parcel, the seismic zone and the types of flags. The full dossier costs €29 including applicable VAT.
Trezzone compared
| ISPRA indicator | Trezzone | CO | Lombardia |
|---|---|---|---|
| Landslide, very high hazard (P4) | 0% | 3.2% | 3.7% |
| Landslide, high hazard (P3) | 9% | 4.9% | 2.9% |
| Landslide, areas of attention | 0% | 0% | 0% |
| Residents in landslide areas P3-P4 | 1.3% | 0.9% | 0.4% |
| Buildings in landslide areas P3-P4 | 2.7% | 2.2% | 1.1% |
| Flood, high probability (P3) | 0.2% | 9.2% | 7.9% |
| Flood, medium probability (P2) | 0.2% | 10.1% | 10.2% |
| Flood, low probability (P1) | 0.2% | 11.4% | 20.3% |
| Residents in P2 flood areas | 0% | 1.7% | 4.4% |
| Buildings in P2 flood areas | 0% | 2.1% | 4.7% |
Questions
Which seismic zone is Trezzone in?
Trezzone is in seismic zone 4: the least hazardous zone: the probability of an earthquake is very low.
How much of Trezzone is in landslide class P3/P4?
According to ISPRA’s mosaic, 9% of the territory of Trezzone has high or very high landslide hazard (P3 and P4), with 1.3% of the residents. By share of territory with landslide hazard P3-P4, Trezzone ranks 33rd of 147 municipalities in the province of Como.
How much of Trezzone is in flood scenario P2?
0.2% of the territory of Trezzone is in the flood area of the medium-probability scenario (P2), with 0% of the residents. By share of territory in the P2 flood area, Trezzone ranks 98th of 147 municipalities in the province of Como.
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 |
|---|---|---|---|
| Vercana | 4 | 9.3% | 7.8% |
| Montemezzo | 4 | 7.5% | 0% |
| Sorico | 4 | 9.3% | 30.6% |
| Gera Lario | 4 | 3.3% | 79.6% |
| Domaso | 4 | 2.5% | 61.1% |
| Livo | 4 | 25.7% | 1.6% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on