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Sondrio: what to know before buying a home

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

Liveability index free for any address

Search for an address in Sondrio

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 Trieste 1, Sondrio.

Sondrio, capital of the Valtellina

Sondrio is the smallest provincial capital in Lombardy and the gateway to the Valtellina, the long Adda valley enclosed by the Rhaetian Alps and the Orobie range. The sunny slopes above town are covered in terraced vineyards held up by dry-stone walls, and the valley is also known for bresaola, its air-dried beef. Beyond the mountains to the north runs the border with Switzerland.

At the end of 2023 Sondrio had 21,297 residents, 1.6% fewer than in 2011, or 11.9% of a province made up of 77 municipalities. The town is older than its surroundings: an estimated average age of 48 against 46.8 in the province, and 28.1% of residents over 65, well above Lombardy's 23.5%. Foreign nationals make up 10.8%, and households average 2 people.

Sondrio is classified in seismic zone 3, the second-lowest of four classes, like 64 municipalities in the province, while the remaining 13 are in zone 4. Expected ground acceleration in the built-up area is about 0.087 g, higher than the estimate for Milano (Milan), so with an older building it is worth finding out how the structure was built and maintained.

As the capital of a mountain province, Sondrio hosts services that are thin on the ground elsewhere: 30 healthcare facilities, or 1.41 per 1,000 residents against 0.53 for the province, and 25 schools. Trenord's open timetables show one rail stop in the municipality, served by 3 train lines. Cadastral maps from the Revenue Agency (Agenzia delle Entrate) are available, and the report finds the plot from the address. In an Alpine valley full of streams and steep slopes, landslide and flood hazard depends heavily on the exact location: the report checks it for the address, together with local price ranges.

Key points

  • Lombardy's smallest provincial capital: 21,297 residents.
  • 28.1% of residents over 65, against 23.5% for Lombardy.
  • Seismic zone 3, expected acceleration about 0.087 g.
  • Healthcare facilities: 1.41 per 1,000 residents against 0.53 provincially.

Overview

Sondrio is the capital of the province of Sondrio, in Lombardia. At the end of 2023 it had 21,297 residents, the most populous municipality in the province.

Earthquakes

For Italy's Civil Protection Department, Sondrio is in seismic zone 3, a zone where strong earthquakes are possible but rare. Most municipalities in the province (64 of 77) are in the same zone.

In the built-up area, the expected ground shaking (peak ground acceleration, PGA) is about 0.087 g, a moderate value: the level with a 10% probability of being exceeded in 50 years, on rock.

Even in zone 3, seismic standards apply to new buildings: for an older building, ask about the design year and any structural work.

Population

Compared with the 2011 census, the resident population has fallen by 1.6%. The estimated average age is 48 years, in line with the province. 28% of residents are over 65 (the regional figure is 24%). Foreign residents make up 10.8% of the population. On average, a household has 2.1 members.

Income and climate

In tax year 2024, taxpayers in Sondrio declared an average taxable income of 27,952 euros, above the provincial average (23,822 euros). The Italian average is 24,895 euros.

Sondrio is in climate zone E, with 2,755 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 307 metres above sea level.

Services

In the official Ministry of Education and Ministry of Health lists, Sondrio has 25 schools and 6 pharmacies. The Overture Maps data also lists 14 grocery shops and supermarkets, 30 healthcare facilities, 19 sports facilities and 5 parks and green areas.

There are 1.4 healthcare facilities per 1,000 residents, more than the province average (0.5).

Public transport

Within the municipality there are 1 public transport stops, served by 3 train lines, 1 bus line. That is about 0.0 stops per 1,000 residents.

How built-up it is

Buildings, roads, car parks and other sealed surfaces cover 19.7% of the land in Sondrio, compared with 2.7% in the province and 12.2% in the region. In 2024 built-up land grew by 1.4 hectares.

Radon and contaminated sites

Sondrio is not among the radon priority areas designated by the Regione Lombardia in 2023. 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 2 contaminated sites, or sites still under investigation, in Sondrio, and one more has been cleaned up or closed. 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 Sondrio: 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 Sondrio 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 183 inhabited census areas in Sondrio. Half of the residents live in areas scoring 75 or more.

Residents by band

  • fair 9.2%
  • good 66.3%
  • very good 24.5%

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 014061. The text on this page is generated automatically from the data.