Buying a home in Trezzo sull’Adda
11,930 residents at the 2021 census, 1,909 buildings and 13.1 km² of territory, Lombardia.
Trezzo sull’Adda is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2. According to ISPRA’s mosaic, 0.2% of the territory of Trezzo sull’Adda has high or very high landslide hazard (P3 and P4), with 0.2% of the residents. 7.8% of the territory of Trezzo sull’Adda is in the flood area of the medium-probability scenario (P2), with 1.1% of the residents.
Find your address in Trezzo sull’Adda
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Trezzo sull’Adda compared
| ISPRA indicator | Trezzo sull'Adda | MI | Lombardia |
|---|---|---|---|
| Landslide, very high hazard (P4) | 0.2% | 0% | 3.7% |
| Landslide, high hazard (P3) | 0% | 0% | 2.9% |
| Landslide, areas of attention | 0% | 0% | 0% |
| Residents in landslide areas P3-P4 | 0.2% | 0% | 0.4% |
| Buildings in landslide areas P3-P4 | 0.1% | 0% | 1.1% |
| Flood, high probability (P3) | 7.1% | 4% | 7.9% |
| Flood, medium probability (P2) | 7.8% | 6.7% | 10.2% |
| Flood, low probability (P1) | 14.1% | 10.9% | 20.3% |
| Residents in P2 flood areas | 1.1% | 3.8% | 4.4% |
| Buildings in P2 flood areas | 1.7% | 3.8% | 4.7% |
Questions
Which seismic zone is Trezzo sull’Adda in?
Trezzo sull’Adda is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2.
How much of Trezzo sull’Adda is in landslide class P3/P4?
According to ISPRA’s mosaic, 0.2% of the territory of Trezzo sull’Adda 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, Trezzo sull’Adda ranks 1st of 133 municipalities in the Metropolitan City of Milano.
How much of Trezzo sull’Adda is in flood scenario P2?
7.8% of the territory of Trezzo sull’Adda 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, Trezzo sull’Adda ranks 32nd of 133 municipalities in the Metropolitan City of Milano.
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 |
|---|---|---|---|
| Capriate San Gervasio | 3 | 0% | 8.6% |
| Grezzago | 3 | 0% | 2.9% |
| Bottanuco | 3 | 0% | 0.1% |
| Busnago | 3 | 0% | 0% |
| Brembate | 3 | 0.7% | 4.8% |
| Trezzano Rosa | 3 | 0% | 5.7% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on