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Bianzone: 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 Bianzone

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 Roma 1, Bianzone.

Bianzone, vineyards and a railway in Valtellina

Bianzone lies in middle Valtellina, between Sondrio and Tirano, on the sunny side of the valley, where vineyards climb in terraces held up by dry-stone walls. Below the village, the valley floor carries the Adda river, the main road and the railway.

The train is the strong point for getting around. In the official timetables Bianzone has 1 railway station served by 2 lines, on the Sondrio-Tirano route that continues to Lecco and Milan, plus 1 bus line. Tirano is close, and Sondrio, the provincial capital, can be reached without a car.

The population is stable. In 2023 there were 1,262 residents, down 0.9% on the 1,273 of 2011 according to Istat, the national statistics office, so practically the same. The average age, 46.7, is almost identical to the province's (46.8); over-65s are 26.1% and foreign residents 5.0%. Declared incomes are a little below the provincial average.

On the market you will find village houses and rural buildings among the vines, often with steep access, plus some newer homes nearer the valley floor. Winters are cold (climate zone E), and upkeep of roofs and retaining walls is a recurring cost.

Earthquake hazard is modest: seismic zone 3 of the Civil Protection classification, like 63 other municipalities in the province of Sondrio, with an expected acceleration of 0.083 g. The state of the slope and the distance from the Adda and side streams matter more: the report checks the official landslide and flood maps for each address and finds the plot on the Revenue Agency's cadastral maps.

Key points

  • Sunny side of Valtellina, between Sondrio and Tirano.
  • 1 station with 2 lines on the Sondrio-Tirano railway.
  • Stable population: 1,262, average age 46.7.
  • Seismic zone 3, expected acceleration 0.083 g.

Overview

Bianzone is a municipality in the province of Sondrio, in Lombardia. At the end of 2023 it had 1,262 residents, ranked 42 of 77 municipalities in the province.

Earthquakes

For Italy's Civil Protection Department, Bianzone 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 0.083 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 number of residents is nearly unchanged. The estimated average age is 47 years, in line with the province. 26% of residents are over 65 (the regional figure is 24%). Foreign residents make up 5.0% of the population. On average, a household has 2.2 members.

Income and climate

In tax year 2024, taxpayers in Bianzone declared an average taxable income of 21,484 euros, below the provincial average (23,822 euros). The Italian average is 24,895 euros.

Bianzone is in climate zone E, with 2,700 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 444 metres above sea level.

Services

In the official Ministry of Education and Ministry of Health lists, Bianzone has 2 schools and 1 pharmacy. The Overture Maps data also lists 1 grocery shop and 1 sports facility.

The data shows no healthcare facilities within the municipality, against a provincial average of 0.5 per 1,000 residents.

Public transport

Within the municipality there are 1 public transport stops, served by 2 train lines, 1 bus line. That is about 0.8 stops per 1,000 residents.

How built-up it is

Buildings, roads, car parks and other sealed surfaces cover 5.2% of the land in Bianzone, compared with 2.7% in the province and 12.2% in the region. In 2024 built-up land stayed almost the same.

Radon and contaminated sites

Bianzone 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 no open contaminated sites in Bianzone; one has been cleaned up or closed.

Landslides and flooding

Landslide and flood hazard changes from one street to the next even within Bianzone: 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 Bianzone 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 11 inhabited census areas in Bianzone. Half of the residents live in areas scoring 68 or more.

Residents by band

  • fair 11.7%
  • good 88.3%

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 014008. The text on this page is generated automatically from the data.