Dazio: 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
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Search for an address in Dazio
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 Piatana 1, Dazio.
Dazio, on the sunny slope above Morbegno
In lower Valtellina, on the south-facing slope that rises from the Adda valley floor, Dazio is a small municipality with Morbegno just below it. Life here is mountain life, but close to a small town with shops, schools and services, and that position explains much of the way it has been going.
The population has grown: in 2023 there were 514 residents, up 21.2% on the 424 counted in 2011 by Istat, the national statistics office. The mean age of 47.0 is almost the same as the provincial figure (46.8), and over-65s are 25.1%, in line with 25.3% across the province of Sondrio. Foreign residents are 5.6%. Average declared incomes are higher than in the province.
For a buyer the cold and the road are what count most. The climate zone is F, the coldest: energy rating, external insulation, windows and the type of boiler all deserve close attention, because the heating stays on for a long time. In winter it is worth testing the access to the house, including any uphill stretch and room to park.
Dazio is in seismic zone 3, like 64 of the 77 municipalities in the province, with an expected ground acceleration in the built-up area of about 0.054 g, a low value. For a stone building, a check on the condition of walls and roof is usually enough.
The Revenue Agency publishes the cadastral maps, and the report links the address to the land parcel. On the valley slopes, landslides and debris flows vary from one spot to another, and the report checks them on the official maps for the exact address.
Key points
- Lower Valtellina, on the south-facing slope above Morbegno.
- Population up 21.2% since 2011.
- Climate zone F: weigh up insulation and heating carefully.
- Seismic zone 3, expected acceleration about 0.054 g.
Overview
Dazio is a municipality in the province of Sondrio, in Lombardia. At the end of 2023 it had 514 residents, ranked 64 of 77 municipalities in the province.
Earthquakes
For Italy's Civil Protection Department, Dazio 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 0.054 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 grown by 21.2%. The estimated average age is 47 years, in line with the province. 25% of residents are over 65 (the regional figure is 24%). Foreign residents make up 5.6% of the population. On average, a household has 2.1 members.
Income and climate
In tax year 2024, taxpayers in Dazio declared an average taxable income of 25,268 euros, above the provincial average (23,822 euros). The Italian average is 24,895 euros.
Dazio is in climate zone F, with 3,041 heating degree days, with no limits on when heating may be used. The same table puts the town hall at 568 metres above sea level.
Services
In the official Ministry of Education and Ministry of Health lists, Dazio has 1 pharmacy.
The data shows no schools within the municipality, against a provincial average of 1.2 per 1,000 residents.
Public transport
The open timetables available for the area do not list any stops within the territory of Dazio.
How built-up it is
Buildings, roads, car parks and other sealed surfaces cover 8.7% of the land in Dazio, 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
Dazio 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 contaminated sites in Dazio.
Landslides and flooding
Landslide and flood hazard changes from one street to the next even within Dazio: 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 Dazio 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 7 inhabited census areas in Dazio. Half of the residents live in areas scoring 62 or more.
Residents by band
- fair 100.0%
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
- 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 14 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 014025. The text on this page is generated automatically from the data.