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Arosio: what to know before buying a home

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

Liveability index free for any address

Search for an address in Arosio

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 Santa Maria Maddalena 1, Arosio.

Arosio, furniture-making Brianza on the Milan railway

Arosio is a municipality in the Como part of Brianza, on the low hills between Como and Milan, in a stretch where villages, workshops and roads follow one another with hardly any countryside in between. It borders Inverigo and Giussano and sits within the Brianza furniture district, a network of joiners, workshops and small furnishing firms.

For anyone working in Milan, the railway is the big advantage. The municipality has 1 station on the Trenord Milan to Asso line, with direct trains to Milano Cadorna; the open timetables list 1 rail line and 1 bus line. Living near the station means you can commute without a car, and in Brianza that makes a difference to a home's value.

There are 5,136 residents (2023), up 3.0% since 2011. The average age is 45.4, against 46.3 for the province, and over-65s make up 23.5%. Foreign residents account for 6.7%. Arosio ranks number 32 by population among the 147 municipalities of the province of Como.

Earthquake hazard is at the bottom of the scale: the whole province of Como is in seismic zone 4 on the Civil Protection scale, and the expected ground acceleration is about 0.047 g. What matters more here is the state of the building, the service charges and the energy rating, given the cold winters.

Near industrial areas it is worth asking about noise and heavy traffic, and among the Brianza hills small streams can overflow in heavy storms: the report checks the official flood and landslide maps for the address. The Revenue Agency (Agenzia delle Entrate) publishes the cadastral maps, so the report can go from the address to the plot.

Key points

  • 1 station on the Milan to Asso line, direct trains to Cadorna.
  • 5,136 residents, up 3.0% since 2011.
  • Seismic zone 4, like the whole province of Como.
  • Heavily built-up, in the Brianza furniture district.

Overview

Arosio is a municipality in the province of Como, in Lombardia. At the end of 2023 it had 5,136 residents, ranked 32 of 147 municipalities in the province.

Earthquakes

For Italy's Civil Protection Department, Arosio is in seismic zone 4, the lowest-risk zone, where strong earthquakes are very rare. All 147 municipalities in the province are in the same zone.

In the built-up area, the expected ground shaking (peak ground acceleration, PGA) is about 0.047 g, a low value: the level with a 10% probability of being exceeded in 50 years, on rock.

In zone 4 the risk is low, but for an older building it is still worth asking about the state of the structure.

Population

Compared with the 2011 census, the resident population has grown by 3.0%. The estimated average age is 45 years, in line with the province. 23% of residents are over 65 (the regional figure is 24%). Foreign residents make up 6.7% of the population. On average, a household has 2.4 members.

Income and climate

In tax year 2024, taxpayers in Arosio declared an average taxable income of 26,005 euros, in line with the province (26,761 euros). The Italian average is 24,895 euros.

Arosio is in climate zone E, with 2,484 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 292 metres above sea level.

Services

In the official Ministry of Education and Ministry of Health lists, Arosio has 3 schools and 1 pharmacy. The Overture Maps data also lists 5 grocery shops and supermarkets, 2 healthcare facilities, 3 sports facilities and 1 green area.

There are 1.0 grocery shops and supermarkets per 1,000 residents, more than the province average (0.5).

Public transport

Within the municipality there are 1 public transport stops, served by 1 bus line, 1 train line. That is about 0.2 stops per 1,000 residents.

How built-up it is

Buildings, roads, car parks and other sealed surfaces cover 45.8% of the land in Arosio, compared with 12.3% in the province and 12.2% in the region. In 2024 built-up land stayed almost the same.

Radon and contaminated sites

Arosio is not among the radon priority areas designated by the Regione Lombardia in 2023. 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 Arosio.

Landslides and flooding

Landslide and flood hazard changes from one street to the next even within Arosio: 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 Arosio 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 28 inhabited census areas in Arosio. Half of the residents live in areas scoring 77 or more.

Residents by band

  • fair 10.2%
  • good 66.8%
  • very good 23.0%

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 013012. The text on this page is generated automatically from the data.