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Ariccia: 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 Ariccia

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 Strada Nuova 1, Ariccia.

Ariccia, the viaduct, Palazzo Chigi and porchetta

One of the Castelli Romani towns in the Alban Hills south-east of Rome, on the Via Appia, Ariccia has a historic centre overlooking a deep valley spanned by a large nineteenth-century viaduct. At its heart is the square designed by Bernini, with Palazzo Chigi and the church of the Assumption. The town is also known for porchetta, roast pork served in the fraschette, simple taverns where it comes with local Castelli wine.

The land drops from the rim of the ancient Latium volcano towards the plain, so heights and settings vary a lot. In the old centre houses are old, on slopes and short of parking. Below the town lies the Vallericcia, the floor of an ancient volcanic lake now farmed, and further down are residential districts and detached houses where many people who work in Rome live, reaching the city mostly by car or bus. On the edges of the valley and on sloping ground the report checks landslide hazard, and on the valley floors flood hazard.

In 2023 there were 17,971 residents, down 1.9% on 2011 according to Istat, the national statistics office. The estimated average age is 46.8 and over-65s make up 24.6%, slightly above the metropolitan average. Foreign nationals are 8.1%. Supermarkets, sports facilities and places to eat are more plentiful than average per resident, with 5.56 cafés and restaurants per 1,000 residents: the fraschette draw people from all over the Rome area. Declared incomes are below the provincial average.

The Alban Hills are a dormant volcanic area with their own earthquakes, and Ariccia is in seismic zone 2 of the Civil Protection Department's classification, like 97 municipalities in the province of Rome. Expected ground acceleration in the built-up area is about 0.165 g. For masonry houses in the old centre and blocks built on the slopes, find out when and how the structure was checked, and before buying ask for the design year and any work carried out. The Revenue Agency (Agenzia delle Entrate) publishes cadastral maps, and the report finds the land parcel from the address.

Key points

  • Castelli Romani: Bernini's square, the viaduct and porchetta.
  • Sloping old centre, detached houses lower down towards the plain.
  • Seismic zone 2, expected ground acceleration about 0.165 g.
  • Cafés and restaurants: 5.56 per 1,000 residents.

Overview

Ariccia is a municipality in the province of Roma, in Lazio. At the end of 2023 it had 17,971 residents, ranked 28 of 121 municipalities in the province.

Earthquakes

For Italy's Civil Protection Department, Ariccia 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 0.165 g, a medium-high value: the level with a 10% probability of being exceeded in 50 years, on rock.

For anyone buying in Ariccia, 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 1.9%. The estimated average age is 47 years, in line with the province. 25% of residents are over 65 (the regional figure is 23%). Foreign residents make up 8.1% of the population. On average, a household has 2.4 members.

Income and climate

In tax year 2024, taxpayers in Ariccia declared an average taxable income of 25,512 euros, below the provincial average (28,682 euros). The Italian average is 24,895 euros.

Ariccia is in climate zone D, with 1,942 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 412 metres above sea level.

Services

In the official Ministry of Education and Ministry of Health lists, Ariccia has 14 schools and 7 pharmacies. The Overture Maps data also lists 17 grocery shops and supermarkets, 13 healthcare facilities, 28 sports facilities and 2 parks and green areas.

There are 0.9 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 26.1% of the land in Ariccia, 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

Official databases list no open contaminated sites in Ariccia; 2 have been cleaned up or closed.

Landslides and flooding

Landslide and flood hazard changes from one street to the next even within Ariccia: 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 Ariccia 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 85 inhabited census areas in Ariccia. Half of the residents live in areas scoring 63 or more.

Residents by band

  • modest 0.1%
  • fair 52.3%
  • good 47.6%

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 058009. The text on this page is generated automatically from the data.