Castellazzo Bormida: 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 Castellazzo Bormida
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Castellazzo Bormida, the bikers' Madonna on the Bormida plain
Every year thousands of motorcyclists come to Castellazzo Bormida for the sanctuary of the Madonna della Creta, regarded as their patron. The rest of the year the town is a farming and residential centre on the plain south of Alessandria, about ten kilometres from the provincial capital, along the river Bormida. The centre has brick houses and old palazzi, with fields and farmsteads all around.
Being close to Alessandria makes it a good fit for people who work in the city but want a bigger house for less money. There are two-storey village houses, often with a courtyard, recent detached homes on the edges and farmsteads to restore in the countryside. The town has 38 recorded services, including pharmacies and supermarkets.
The population is almost stable: 4,441 residents in 2023, 2.7% fewer than in 2011. The average age of 47.3 is below the province (48.9), one of the oldest in Italy, and foreign residents make up 12.6%, a high share for a town this size. Declared incomes are slightly below the Alessandria average.
Seismic risk is low: Castellazzo is in zone 3 of the Civil Protection classification, like 126 other municipalities in the province, and the expected ground acceleration is about 0.060 g. The real issue is the river. The Bormida can flood heavily and areas closest to its bed may be reached by the water: the report checks the official flood maps for the individual address.
In older houses, built of brick on damp ground, check above all for rising damp in the ground-floor walls and for the state of the roof.
Key points
- Sanctuary of the Madonna della Creta, patron of motorcyclists.
- Bormida plain, about ten km from Alessandria.
- 4,441 residents, 12.6% foreign residents.
- Seismic zone 3; check Bormida flooding.
Overview
Castellazzo Bormida is a municipality in the province of Alessandria, in Piemonte. At the end of 2023 it had 4,441 residents, among the most populous in the province (12 of 187).
Earthquakes
For Italy's Civil Protection Department, Castellazzo Bormida 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 0.060 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 2.7%. The estimated average age is 47 years, lower than the province average (49). 26% of residents are over 65 (the regional figure is 27%). Foreign residents make up 12.6% of the population. On average, a household has 2.2 members.
Income and climate
In tax year 2024, taxpayers in Castellazzo Bormida declared an average taxable income of 24,201 euros, in line with the province (25,143 euros). The Italian average is 24,895 euros.
Castellazzo Bormida is in climate zone E, with 2,567 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 104 metres above sea level.
Services
In the official Ministry of Education and Ministry of Health lists, Castellazzo Bormida has 3 schools and 2 pharmacies. The Overture Maps data also lists 3 grocery shops and supermarkets, 1 healthcare facility and 3 sports facilities.
There are 0.2 healthcare facilities per 1,000 residents, fewer than the province average (0.7).
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 9.1% of the land in Castellazzo Bormida, compared with 7.2% in the province and 6.7% in the region. In 2024 built-up land grew by 1.1 hectares.
Radon and contaminated sites
Castellazzo Bormida is not among the radon priority areas designated by the Regione Piemonte in 2023. Radon varies from building to building and can only be known by measuring it, especially on ground floors and in basements.
Official databases list 6 contaminated sites, or sites still under investigation, in Castellazzo Bormida, and one more has been cleaned up or closed. The report tells you whether one is close to the address.
Landslides and flooding
Landslide and flood hazard changes from one street to the next even within Castellazzo Bormida: 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 Castellazzo Bormida 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 51 inhabited census areas in Castellazzo Bormida. Half of the residents live in areas scoring 65 or more.
Residents by band
- modest 8.1%
- fair 39.2%
- good 52.7%
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 006047. The text on this page is generated automatically from the data.