Buying a home in Lastra a Signa
19,674 residents at the 2021 census, 5,629 buildings and 42.9 km² of territory, Toscana.
Lastra a Signa is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2. According to ISPRA’s mosaic, 29% of the territory of Lastra a Signa has high or very high landslide hazard (P3 and P4), with 6% of the residents. 11.3% of the territory of Lastra a Signa is in the flood area of the medium-probability scenario (P2), with 39.9% of the residents.
Find your address in Lastra a Signa
The preview is free: the parcel, the seismic zone and the types of flags. The full dossier costs €29 including applicable VAT.
Lastra a Signa compared
| ISPRA indicator | Lastra a Signa | FI | Toscana |
|---|---|---|---|
| Landslide, very high hazard (P4) | 9.1% | 7.8% | 4.6% |
| Landslide, high hazard (P3) | 19.9% | 19.4% | 16.4% |
| Landslide, areas of attention | 0% | 2.8% | 0.6% |
| Residents in landslide areas P3-P4 | 6% | 4.8% | 5% |
| Buildings in landslide areas P3-P4 | 6.5% | 6.8% | 8.1% |
| Flood, high probability (P3) | 7.4% | 3.4% | 6.2% |
| Flood, medium probability (P2) | 11.3% | 7.6% | 12.2% |
| Flood, low probability (P1) | 13.5% | 12.7% | 21.2% |
| Residents in P2 flood areas | 39.9% | 36.9% | 25.6% |
| Buildings in P2 flood areas | 35.8% | 29.7% | 22.2% |
Questions
Which seismic zone is Lastra a Signa in?
Lastra a Signa is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2.
How much of Lastra a Signa is in landslide class P3/P4?
According to ISPRA’s mosaic, 29% of the territory of Lastra a Signa has high or very high landslide hazard (P3 and P4), with 6% of the residents. By share of territory with landslide hazard P3-P4, Lastra a Signa ranks 18th of 41 municipalities in the Metropolitan City of Firenze.
How much of Lastra a Signa is in flood scenario P2?
11.3% of the territory of Lastra a Signa is in the flood area of the medium-probability scenario (P2), with 39.9% of the residents. By share of territory in the P2 flood area, Lastra a Signa ranks 11th of 41 municipalities in the Metropolitan City of Firenze.
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 |
|---|---|---|---|
| Montelupo Fiorentino | 3 | 24% | 29.1% |
| Scandicci | 3 | 9.9% | 21.6% |
| Signa | 3 | 1.3% | 75.7% |
| Capraia e Limite | 3 | 21.9% | 11.3% |
| Carmignano | 3 | 6.9% | 7.9% |
| Poggio a Caiano | 3 | 1.1% | 28.2% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on