Skip to content
Vicinalia
Italiano Sign up

Rocca d'Arce: what to know before buying a home

A municipality in the province of Frosinone, Lazio. Official data on earthquakes, population, services and transport.

Liveability index free for any address

Search for an address in Rocca d'Arce

The report looks at the exact point: landslide and flood risk, seismic zone, price per square metre for the area, services and nearby stops.

For example: Via Fraioli 1, Rocca d'Arce.

Rocca d'Arce, the clifftop village above the Liri valley

The village takes its name from the rocca, the fortress that once crowned the top of the hill, a rocky spur where the ruins of a medieval stronghold still stand. Rocca d'Arce looks down on the Liri valley in the province of Frosinone; the village is at around 500 metres, gathered beneath the crag, while lower down the territory has scattered houses and farmland.

Living here means steep, winding roads up to the village and a valley floor where the main roads, jobs and services are. In the historic centre, check access, parking and the condition of the walls, often stone and built against the rock; for country houses, utility connections and upkeep matter. Winters are those of climate zone E.

In 2023 there were 872 residents, down 10.2% since 2011, when there were 971. The population is older: average age 50.8 against 46.8 in the province, over-65s at 32.5% against 25.4%. Foreign residents are 3.3%.

Earthquakes are the main issue. Rocca d'Arce is in seismic zone 1, the highest on the scale set by the Civil Protection Department, like 29 other municipalities in the province, with an expected ground acceleration of about 0.217 g. For any masonry building, ask whether seismic improvement has been carried out and have an engineer assess it before completion.

On a crag and its slopes, the report checks the official maps for landslides and rockfalls at the exact address. The Revenue Agency publishes the cadastral maps, so the report can go from the address to the plot.

Key points

  • Clifftop village overlooking the Liri valley.
  • 872 residents, over-65s at 32.5%.
  • Seismic zone 1, expected acceleration about 0.217 g.
  • Stone houses on rock: structural survey before buying.

Overview

Rocca d'Arce is a municipality in the province of Frosinone, in Lazio. At the end of 2023 it had 872 residents, ranked 78 of 91 municipalities in the province.

Earthquakes

For Italy's Civil Protection Department, Rocca d'Arce is in seismic zone 1, the highest-risk zone, where very strong earthquakes are possible. Only 30 of 91 municipalities in the province are in zone 1.

In the built-up area, the expected ground shaking (peak ground acceleration, PGA) is about 0.217 g, a medium-high value: the level with a 10% probability of being exceeded in 50 years, on rock.

For anyone buying in Rocca d'Arce, the building matters a great deal: ask for the design year, whether it met the 2008 seismic standards, and whether any seismic retrofit has been carried out.

Population

Compared with the 2011 census, the resident population has fallen by 10.2%. The estimated average age is 51 years, higher than the province average (47). 32% of residents are over 65 (the regional figure is 23%). Foreign residents make up 3.3% of the population. On average, a household has 2.0 members.

Income and climate

In tax year 2024, taxpayers in Rocca d'Arce declared an average taxable income of 21,077 euros, in line with the province (21,514 euros). The Italian average is 24,895 euros.

Rocca d'Arce is in climate zone E, with 2,107 heating degree days: heating may be switched on from 15 October to 15 April, for up to 14 hours a day. The same table puts the town hall at 507 metres above sea level.

Services

In the official Ministry of Education and Ministry of Health lists, Rocca d'Arce has 2 schools and 1 pharmacy.

The data shows no grocery shops and supermarkets within the municipality, against a provincial average of 0.7 per 1,000 residents.

Public transport

We do not yet have open public transport timetables for this municipality: the report says so explicitly, without inventing distances.

How built-up it is

Buildings, roads, car parks and other sealed surfaces cover 5.6% of the land in Rocca d'Arce, compared with 6.9% in the province and 8.2% in the region. In 2024 built-up land stayed almost the same.

Radon and contaminated sites

According to the ISPRA map, the estimated radon emission in the municipality is medium. Radon varies from building to building and can only be known by measuring it, especially on ground floors and in basements.

Official databases list one contaminated site, or site still under investigation, in Rocca d'Arce. The report tells you whether one is close to the address.

Landslides and flooding

Landslide and flood hazard changes from one street to the next even within Rocca d'Arce: the report checks the address against the ISPRA maps.

House prices

The Revenue Agency's price ranges per square metre (OMI) apply to zones, not to whole municipalities: the report gives the range for the address's zone.

Land registry

The cadastral maps for Rocca d'Arce are public: from the address the report finds the sheet and parcel number.

Liveability area by area

The Vicinalia liveability index runs from 0 to 100 and looks at the place, not the people who live there: services within walking distance, transport, green space, natural hazards, air, quiet, buildings and connection. Here it is worked out at the centre of each of the 23 inhabited census areas in Rocca d'Arce. Half of the residents live in areas scoring 60 or more.

Residents by band

  • fair 100.0%

Vicinalia index by census area, licence CC BY-SA 4.0. Data: IdroGEO ISPRA (2026), Istat, INGV, EEA, AGCOM, Overture Maps and OpenStreetMap.

The colour is the value at the centre of the area. For an exact address, search for it above: the free check looks at that exact point. How the index is worked out

Data sources

ISTAT code 060059. The text on this page is generated automatically from the data.