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Algua: what to know before buying a home

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

Liveability index free for any address

Search for an address in Algua

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: Frazione Rigosa 3, Algua.

Algua, in Val Serina off the Brembana valley

Heading up Val Serina, the side valley that branches off the Val Brembana, you come to Algua: a mountain municipality made up of small hamlets spread along the valley and up the slopes, among woods and meadows. The main Brembana valley and its roads are the way to Bergamo, which is reached by car; anyone working in the city should try the daily journey at rush hour.

The property market is typical of the Bergamo valleys: stone houses in the old hamlets, detached homes built in recent decades and flats used as second homes. Differences between one hamlet and another are marked in terms of altitude, winter sunshine and access. The report measures elevation and slope at the address and checks the official landslide and flood maps, useful along the stream and below the steeper slopes.

There were 685 residents in 2023, down 5.0% on the 721 of 2011. Algua is older than its province: the estimated average age is 48.4 against 45.2, and over-65s are 29.3% against 22.5% in the province of Bergamo. Foreign residents make up 5.5%. Average declared income is below the provincial average.

All 243 municipalities in the province of Bergamo are in seismic zone 3 of the Civil Protection classification, and in Algua the expected acceleration is about 0.094 g. The hazard is moderate; in stone houses it is still worth asking when the roof and floors were redone and with what materials.

The Revenue Agency (Agenzia delle Entrate) publishes the cadastral maps for Algua, and the report links the address to the land parcel and the building.

Key points

  • Mountain municipality in Val Serina, off the Val Brembana.
  • 685 residents, down 5.0% since 2011.
  • Over-65s at 29.3%, against 22.5% in the province.
  • Seismic zone 3 in all 243 municipalities of the province.

Overview

Algua is a municipality in the province of Bergamo, in Lombardia. At the end of 2023 it had 685 residents, ranked 206 of 243 municipalities in the province.

Earthquakes

For Italy's Civil Protection Department, Algua is in seismic zone 3, a zone where strong earthquakes are possible but rare. All 243 municipalities in the province are in the same zone.

In the built-up area, the expected ground shaking (peak ground acceleration, PGA) is about 0.094 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 5.0%. The estimated average age is 48 years, higher than the province average (45). 29% of residents are over 65 (the regional figure is 24%). Foreign residents make up 5.5% of the population. On average, a household has 2.1 members.

Income and climate

In tax year 2024, taxpayers in Algua declared an average taxable income of 21,838 euros, below the provincial average (26,939 euros). The Italian average is 24,895 euros.

Algua is in climate zone E, with 2,785 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 432 metres above sea level.

Services

In the official Ministry of Education and Ministry of Health lists, Algua has 1 school.

The data shows no pharmacies within the municipality, against a provincial average of 0.3 per 1,000 residents.

Public transport

The open timetables available for the area do not list any stops within the territory of Algua.

How built-up it is

Buildings, roads, car parks and other sealed surfaces cover 4.6% of the land in Algua, compared with 12.0% in the province and 12.2% in the region. In 2024 built-up land stayed almost the same.

Radon and contaminated sites

Algua 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 Algua.

Landslides and flooding

Landslide and flood hazard changes from one street to the next even within Algua: 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 Algua 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 14 inhabited census areas in Algua. Half of the residents live in areas scoring 58 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

ISTAT code 016248. The text on this page is generated automatically from the data.