Casaleggio Boiro: what to know before buying a home
A municipality in the province of Alessandria, Piemonte. Official data on earthquakes, population, services and transport.
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Search for an address in Casaleggio Boiro
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, Casaleggio Boiro.
Casaleggio Boiro, in the Ovada hills towards the Apennines
Casaleggio Boiro is a small municipality in the hills around Ovada, in the southern part of the province of Alessandria, where the land starts climbing towards the Ligurian Apennines. The area is woods, meadows and a few vineyards, with the village and some scattered houses. Ovada is the reference town for schools, shops and services, and from there the motorway reaches Genoa and the sea quickly.
People also look here for second homes and farmhouses to restore, Genoa being within easy reach. For an isolated building, check the access road, water supply, drains and the state of roof and walls. In these hills slopes and streams need watching after heavy rain, and the report reads the official landslide and flood maps at the exact address.
In 2023 there were 351 residents, down 12.5% on the 401 of 2011, according to Istat, the national statistics office. The estimated average age is 52.0 against 48.9 in the province of Alessandria, and over-65s make up 31.9%. Foreign residents are 2.8%. Declared incomes are slightly above the provincial average.
The municipality is in seismic zone 3 on the Civil Protection scale, like 126 other municipalities in the province, while 60 are in zone 4. Expected ground acceleration in the built-up area is about 0.079 g, a low value. In an old farmhouse the priority is still the foundations on sloping ground and the roof.
Revenue Agency (Agenzia delle Entrate) cadastral maps are available for Casaleggio Boiro too, and the report goes from the address to the land parcel.
Key points
- Hill municipality near Ovada, towards the Ligurian Apennines.
- Isolated farmhouses: check access, water and drains.
- 351 residents, down 12.5% since 2011.
- Seismic zone 3, expected acceleration about 0.079 g.
Overview
Casaleggio Boiro is a municipality in the province of Alessandria, in Piemonte. At the end of 2023 it had 351 residents, ranked 146 of 187 municipalities in the province.
Earthquakes
For Italy's Civil Protection Department, Casaleggio Boiro is in seismic zone 3, a zone where strong earthquakes are possible but rare. Most municipalities in the province (127 of 187) are in the same zone.
In the built-up area, the expected ground shaking (peak ground acceleration, PGA) is about 0.079 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 12.5%. The estimated average age is 52 years, higher than the province average (49). 32% of residents are over 65 (the regional figure is 27%). Foreign residents make up 2.8% of the population. On average, a household has 1.8 members.
Income and climate
In tax year 2024, taxpayers in Casaleggio Boiro declared an average taxable income of 26,456 euros, above the provincial average (25,143 euros). The Italian average is 24,895 euros.
Casaleggio Boiro is in climate zone E, with 2,655 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 321 metres above sea level.
Services
The data shows no schools within the municipality, against a provincial average of 1.0 per 1,000 residents.
Public transport
We do not yet have open public transport timetables for this municipality: the report says so explicitly, without inventing distances.
How built-up it is
Buildings, roads, car parks and other sealed surfaces cover 3.0% of the land in Casaleggio Boiro, compared with 7.2% in the province and 6.7% in the region. In 2024 built-up land stayed almost the same.
Radon and contaminated sites
Casaleggio Boiro is not among the radon priority areas designated by the Regione Piemonte in 2023. According to the ISPRA map, the estimated radon emission in the municipality is low. 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 Casaleggio Boiro.
Landslides and flooding
Landslide and flood hazard changes from one street to the next even within Casaleggio Boiro: 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 Casaleggio Boiro 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 Casaleggio Boiro. Half of the residents live in areas scoring 54 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.
- 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 Piemonte, national list compiled by ARPA Lombardia. Licence Atto pubblico (art. 5 L. 633/1941), 2023.
- Contaminated sites, Regione Piemonte, Anagrafe regionale dei siti contaminati (ASCO). Licence CC BY 4.0, updated to 9 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 006038. The text on this page is generated automatically from the data.