Buying a home in Castelfranco di Sotto
13,460 residents at the 2021 census, 6,493 buildings and 48.2 km² of territory, Toscana.
Castelfranco di Sotto is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2. According to ISPRA’s mosaic, 4.3% of the territory of Castelfranco di Sotto has high or very high landslide hazard (P3 and P4), with 0% of the residents. 34.3% of the territory of Castelfranco di Sotto is in the flood area of the medium-probability scenario (P2), with 67.3% of the residents.
Find your address in Castelfranco di Sotto
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Castelfranco di Sotto compared
| ISPRA indicator | Castelfranco di Sotto | PI | Toscana |
|---|---|---|---|
| Landslide, very high hazard (P4) | 1% | 4.3% | 4.6% |
| Landslide, high hazard (P3) | 3.2% | 14.9% | 16.4% |
| Landslide, areas of attention | 0% | 0% | 0.6% |
| Residents in landslide areas P3-P4 | 0% | 2.8% | 5% |
| Buildings in landslide areas P3-P4 | 0% | 3.7% | 8.1% |
| Flood, high probability (P3) | 12.3% | 11.2% | 6.2% |
| Flood, medium probability (P2) | 34.3% | 24.1% | 12.2% |
| Flood, low probability (P1) | 42.6% | 36.2% | 21.2% |
| Residents in P2 flood areas | 67.3% | 42% | 25.6% |
| Buildings in P2 flood areas | 52.4% | 37.9% | 22.2% |
Questions
Which seismic zone is Castelfranco di Sotto in?
Castelfranco di Sotto is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2.
How much of Castelfranco di Sotto is in landslide class P3/P4?
According to ISPRA’s mosaic, 4.3% of the territory of Castelfranco di Sotto has high or very high landslide hazard (P3 and P4), with 0% of the residents. By share of territory with landslide hazard P3-P4, Castelfranco di Sotto ranks 27th of 37 municipalities in the province of Pisa.
How much of Castelfranco di Sotto is in flood scenario P2?
34.3% of the territory of Castelfranco di Sotto is in the flood area of the medium-probability scenario (P2), with 67.3% of the residents. By share of territory in the P2 flood area, Castelfranco di Sotto ranks 12th of 37 municipalities in the province of Pisa.
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 |
|---|---|---|---|
| Santa Croce sull’Arno | 3 | 2% | 58.4% |
| Santa Maria a Monte | 3 | 2.7% | 35.6% |
| Bientina | 3 | 26.1% | 79.5% |
| Fucecchio | 3 | 1.1% | 32.2% |
| Altopascio | 3 | 20.6% | 25.3% |
| Montopoli in Val d’Arno | 3 | 1.1% | 32% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on