Buying a home in Colleferro
20,664 residents at the 2021 census, 2,802 buildings and 27 km² of territory, Lazio.
Colleferro is in seismic zone 2 (the region uses the sub-zones 2B): in this zone strong earthquakes are possible. According to ISPRA’s mosaic, 2.9% of the territory of Colleferro has high or very high landslide hazard (P3 and P4), with 2.5% of the residents. 3.6% of the territory of Colleferro is in the flood area of the medium-probability scenario (P2), with 1% of the residents.
Find your address in Colleferro
The preview is free: the parcel, the seismic zone and the types of flags. The full dossier costs €29 including applicable VAT.
Colleferro compared
| ISPRA indicator | Colleferro | RM | Lazio |
|---|---|---|---|
| Landslide, very high hazard (P4) | 2.9% | 2.1% | 4.3% |
| Landslide, high hazard (P3) | 0% | 0.6% | 1.2% |
| Landslide, areas of attention | 41.1% | 6.5% | 8.3% |
| Residents in landslide areas P3-P4 | 2.5% | 0.6% | 1.5% |
| Buildings in landslide areas P3-P4 | 2.1% | 1.2% | 3.2% |
| Flood, high probability (P3) | 2.3% | 3.4% | 2.6% |
| Flood, medium probability (P2) | 3.6% | 4.7% | 3.5% |
| Flood, low probability (P1) | 4% | 7% | 5.7% |
| Residents in P2 flood areas | 1% | 3.6% | 3.2% |
| Buildings in P2 flood areas | 2.1% | 4.5% | 3.4% |
Questions
Which seismic zone is Colleferro in?
Colleferro is in seismic zone 2 (the region uses the sub-zones 2B): in this zone strong earthquakes are possible.
How much of Colleferro is in landslide class P3/P4?
According to ISPRA’s mosaic, 2.9% of the territory of Colleferro has high or very high landslide hazard (P3 and P4), with 2.5% of the residents. By share of territory with landslide hazard P3-P4, Colleferro ranks 41st of 121 municipalities in the Metropolitan City of Roma.
How much of Colleferro is in flood scenario P2?
3.6% of the territory of Colleferro is in the flood area of the medium-probability scenario (P2), with 1% of the residents. By share of territory in the P2 flood area, Colleferro ranks 21st of 121 municipalities in the Metropolitan City of Roma.
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 |
|---|---|---|---|
| Segni | 2B | 15% | 1.6% |
| Gavignano | 2B | 2.7% | 1.5% |
| Paliano | 2B | 2.9% | 0.7% |
| Rocca Massima | 2B | 8.9% | 0% |
| Valmontone | 2B | 14.1% | 0.1% |
| Artena | 2B | 6.2% | 0% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
Updated on