Torre di Santa Maria: what to know before buying a home
A municipality in the province of Sondrio, Lombardia. Official data on earthquakes, population, services and transport.
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Search for an address in Torre di Santa Maria
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 Cagnoletti 1, Torre di Santa Maria.
Torre di Santa Maria, in the Valmalenco above Sondrio
On the road that climbs from Sondrio into the Valmalenco lies Torre di Santa Maria: the village stands at about 770 metres on the slope above the Mallero stream, with hamlets scattered among meadows, woods and terraces. Sondrio, the provincial capital, is close by and remains the reference for work, secondary schools and hospital care.
There were 729 residents in 2023, 11.5% fewer than in 2011 (Istat, the national statistics office). The population is older than the provincial average: average age 49.8 against 46.8, over-65s at 31.0% against 25.3%. Foreign residents are few, 1.8%. Declared incomes are slightly below the average for the province of Sondrio.
For buyers, the climate is the first concrete fact. Torre di Santa Maria is in climate zone F, the coldest in the Italian classification: long winters, snow, and the heating on for most of the year. Insulation, windows and the type of heating system have a big effect on running costs. Location matters too: the higher hamlets have steep access that is more exposed in winter, while those near the stream should be checked against the official flood maps.
Seismic hazard is moderate. The municipality is in zone 3, like 63 other municipalities in the province, with an expected ground acceleration of about 0.100 g. In stone houses, check the roof and how the walls tie into the floors.
The Revenue Agency (Agenzia delle Entrate) cadastral maps are published, and starting from the address the report identifies the land parcel and reads the slope and official landslide maps for that spot.
Key points
- Valmalenco village on the road up from Sondrio.
- Climate zone F: long winters, insulation is key.
- Over-65s at 31.0%, against 25.3% in the province.
- Seismic zone 3, expected acceleration about 0.100 g.
Overview
Torre di Santa Maria is a municipality in the province of Sondrio, in Lombardia. At the end of 2023 it had 729 residents, ranked 55 of 77 municipalities in the province.
Earthquakes
For Italy's Civil Protection Department, Torre di Santa Maria 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 0.100 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 11.5%. The estimated average age is 50 years, higher than the province average (47). 31% of residents are over 65 (the regional figure is 24%). Foreign residents make up 1.8% of the population. On average, a household has 2.0 members.
Income and climate
In tax year 2024, taxpayers in Torre di Santa Maria declared an average taxable income of 22,231 euros, below the provincial average (23,822 euros). The Italian average is 24,895 euros.
Torre di Santa Maria is in climate zone F, with 3,166 heating degree days, with no limits on when heating may be used. The same table puts the town hall at 772 metres above sea level.
Services
In the official Ministry of Education and Ministry of Health lists, Torre di Santa Maria has 1 school and 1 pharmacy. The Overture Maps data also lists 1 grocery shop.
The data shows no healthcare facilities within the municipality, against a provincial average of 0.5 per 1,000 residents.
Public transport
The open timetables available for the area do not list any stops within the territory of Torre di Santa Maria.
How built-up it is
Buildings, roads, car parks and other sealed surfaces cover 1.3% of the land in Torre di Santa Maria, compared with 2.7% in the province and 12.2% in the region. In 2024 built-up land grew by 0.6 hectares.
Radon and contaminated sites
Torre di Santa Maria is one of the municipalities designated as a radon priority area 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 contaminated sites in Torre di Santa Maria.
Landslides and flooding
Landslide and flood hazard changes from one street to the next even within Torre di Santa Maria: 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 Torre di Santa Maria 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 16 inhabited census areas in Torre di Santa Maria. Half of the residents live in areas scoring 65 or more.
Residents by band
- fair 44.2%
- good 55.8%
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
- Seismic classification of municipalities, Dipartimento della Protezione Civile. Licence CC BY 4.0, updated to 2025-05.
- MPS04 seismic hazard model, INGV. Licence CC BY 4.0, 2004 model.
- Data by census section, Istat. Licence CC BY 4.0, residents at the end of 2023, compared with the 2011 census.
- Places, Overture Maps Foundation. Licence CDLA Permissive 2.0 and others depending on provider, release 2026-10-21.0.
- Public transport timetables (GTFS): Trenord, Regione Lombardia - Trenord, orari ferroviari (GTFS). Licence CC BY 4.0, version 20261111.
- Income and main IRPEF variables by municipality, MEF, Dipartimento delle Finanze. Licence CC BY 3.0 IT, tax year 2024.
- Climate zones and heating degree days of municipalities (Presidential Decree 412/1993, Annex A), Normattiva. Licence CC BY 4.0, current text.
- Land take, territorial dynamics and ecosystem services, ISPRA e SNPA. Licence CC BY 4.0, 2024 data.
- Predictive radon map by municipality, ISPRA. Licence CC BY 4.0, version 2022-11.
- Radon priority areas (Legislative Decree 101/2020), Regione Lombardia, national list compiled by ARPA Lombardia. Licence Atto pubblico (art. 5 L. 633/1941), 2023.
- Contaminated sites, Regione Lombardia. Licence CC0 1.0 (pubblico dominio), updated to 15 November 2026.
- Liveability index by census area, Vicinalia, from the data in the report sections. Licence CC BY-SA 4.0, worked out on 30 September 2026.
- List of Italian municipalities, Istat. Licence CC BY 4.0, updated to 21 February 2026.
ISTAT code 014067. The text on this page is generated automatically from the data.