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Valmontone: what to know before buying a home

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

Liveability index free for any address

Search for an address in Valmontone

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 Casilina 1, Valmontone.

Valmontone, the A1 exit at the head of the Sacco valley

Arriving at Valmontone from the A1 motorway, you first see the outlet village and the theme park near the exit, then, on a rise, the old town dominated by the large Palazzo Doria Pamphilj. The municipality lies south-east of Rome, between the Castelli Romani hills and the Sacco valley, and combines a compact historic centre with newer neighbourhoods that have grown along the valley roads in recent decades.

For anyone working in Rome, transport is the strong point. Besides the motorway exit there is a station on the regional Rome-Cassino line, and the report measures the distance from each address to the station. Housing differs a lot between the old town above and the newer areas below: old buildings with stairs and little parking on one side, detached houses and recent apartment blocks on the other.

The population is growing and young. In 2023 there were 15,697 residents, up 4.8% on 2011; the average age is 43.9 against 46.0 in the metropolitan area, and over-65s make up 19.9% against 22.9%. Foreign nationals account for 11.4%. Declared incomes are below the provincial average, which is pulled up by Rome itself. There are many cafés and restaurants for a town this size, 96, partly because of the outlet and the park.

Valmontone is in seismic zone 2 of the Civil Protection Department's classification, like 97 municipalities in the metropolitan area, with expected ground acceleration in the built-up area of about 0.167 g. In the old town many buildings are centuries-old masonry, so before buying find out what work has been done on walls, floors and roof. For recent buildings, the design date is what counts.

The Revenue Agency (Agenzia delle Entrate) publishes the cadastral maps, and the report traces the land parcel from the address. On the sides of the hill and along the streams running down to the valley, landslide and flood risk are assessed at the exact spot, not as an average for the town.

Key points

  • A1 motorway exit and a station on the Rome-Cassino line.
  • 15,697 residents, up 4.8% since 2011.
  • Average age 43.9, against 46.0 in the province.
  • Seismic zone 2, expected acceleration about 0.167 g.

Overview

Valmontone is a municipality in the province of Roma, in Lazio. At the end of 2023 it had 15,697 residents, ranked 32 of 121 municipalities in the province.

Earthquakes

For Italy's Civil Protection Department, Valmontone is in seismic zone 2, a zone where strong earthquakes are possible. The region uses a finer breakdown: here the classification is 2B. Most municipalities in the province (97 of 121) are in the same zone.

In the built-up area, the expected ground shaking (peak ground acceleration, PGA) is about 0.167 g, a medium-high value: the level with a 10% probability of being exceeded in 50 years, on rock.

For anyone buying in Valmontone, 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 grown by 4.8%. The estimated average age is 44 years, lower than the province average (46). 20% of residents are over 65 (the regional figure is 23%). Foreign residents make up 11.4% of the population. On average, a household has 2.4 members.

Income and climate

In tax year 2024, taxpayers in Valmontone declared an average taxable income of 21,125 euros, below the provincial average (28,682 euros). The Italian average is 24,895 euros.

Valmontone is in climate zone D, with 1,715 heating degree days: heating may be switched on from 1 November to 15 April, for up to 12 hours a day. The same table puts the town hall at 303 metres above sea level.

Services

In the official Ministry of Education and Ministry of Health lists, Valmontone has 15 schools and 6 pharmacies. The Overture Maps data also lists 12 grocery shops and supermarkets, 9 healthcare facilities, 11 sports facilities and 2 parks and green areas.

There are 0.8 grocery shops and supermarkets per 1,000 residents, more than the province average (0.4).

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 15.0% of the land in Valmontone, compared with 13.2% 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 no contaminated sites in Valmontone.

Landslides and flooding

Landslide and flood hazard changes from one street to the next even within Valmontone: 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 Valmontone 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 48 inhabited census areas in Valmontone. Half of the residents live in areas scoring 59 or more.

Residents by band

  • modest 3.8%
  • fair 79.4%
  • good 16.7%

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 058110. The text on this page is generated automatically from the data.