Buying a home in Pienza
2,007 residents at the 2021 census, 1,879 buildings and 122.9 km² of territory, Toscana.
Pienza is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2. According to ISPRA’s mosaic, 40% of the territory of Pienza has high or very high landslide hazard (P3 and P4), with 31% of the residents. 8.1% of the territory of Pienza is in the flood area of the medium-probability scenario (P2), with 2.4% of the residents.
Find your address in Pienza
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Pienza compared
| ISPRA indicator | Pienza | SI | Toscana |
|---|---|---|---|
| Landslide, very high hazard (P4) | 22.5% | 4.7% | 4.6% |
| Landslide, high hazard (P3) | 17.4% | 14.1% | 16.4% |
| Landslide, areas of attention | 0% | 0% | 0.6% |
| Residents in landslide areas P3-P4 | 31% | 5.2% | 5% |
| Buildings in landslide areas P3-P4 | 16.8% | 5.9% | 8.1% |
| Flood, high probability (P3) | 1.4% | 3.9% | 6.2% |
| Flood, medium probability (P2) | 8.1% | 8.9% | 12.2% |
| Flood, low probability (P1) | 15.6% | 15.8% | 21.2% |
| Residents in P2 flood areas | 2.4% | 5.1% | 25.6% |
| Buildings in P2 flood areas | 2.2% | 4.8% | 22.2% |
Questions
Which seismic zone is Pienza in?
Pienza is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2.
How much of Pienza is in landslide class P3/P4?
According to ISPRA’s mosaic, 40% of the territory of Pienza has high or very high landslide hazard (P3 and P4), with 31% of the residents. By share of territory with landslide hazard P3-P4, Pienza ranks 5th of 35 municipalities in the province of Siena.
How much of Pienza is in flood scenario P2?
8.1% of the territory of Pienza is in the flood area of the medium-probability scenario (P2), with 2.4% of the residents. By share of territory in the P2 flood area, Pienza ranks 16th of 35 municipalities in the province of Siena, tied with 1 others.
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 |
|---|---|---|---|
| San Quirico d’Orcia | 3 | 41.5% | 8.2% |
| Castiglione d’Orcia | 3 | 43.2% | 13.7% |
| Chianciano Terme | 3 | 17.2% | 2.5% |
| Trequanda | 3 | 33.4% | 0.8% |
| Montalcino | 3 | 39.4% | 14.2% |
| Torrita di Siena | 3 | 8.5% | 17.9% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on