Castelfranci: what to know before buying a home
A municipality in the province of Avellino, Campania. Official data on earthquakes, population, services and transport.
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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: Contrada Baiano 1, Castelfranci.
Castelfranci, vineyards and hills in the Calore valley of Irpinia
Castelfranci is a village in Irpinia, the inland hill country of Avellino province, on the slopes running down towards the Calore valley, an area of Aglianico vineyards, olive groves and woods. The centre sits at around 450 metres, with houses clustered on the hillside, and Avellino is the reference for offices, the hospital and secondary schools, reached by car along hill roads.
The fall in population is clear. Istat, the national statistics office, counts 1,741 residents in 2023, down 17.3% on 2011, or 363 fewer people. The average age is 48.5 against 46.2 in the province, over-65s make up 28.3% and households average 2.28 people. Foreign residents are 1.3%. Declared incomes are below the average for the province of Avellino.
For buyers, the choice is village houses in masonry, often on several floors, apartment buildings rebuilt or strengthened after past earthquakes, and country houses with land, sometimes with a vineyard. The climate zone is D, so winters are cool and insulation affects bills.
Earthquakes are the main issue. Castelfranci is in seismic zone 1, like 57 other municipalities in the province, and the expected ground acceleration in the built-up area is 0.246 g. Irpinia has a long seismic history: before signing, ask for the reconstruction or upgrading records for the building and have a surveyor look at it.
The Revenue Agency (Agenzia delle Entrate) publishes the cadastral maps. The report finds the land parcel from the address and checks the slope and the official landslide and flood maps for that spot.
Key points
- Irpinia village among Aglianico vineyards, above the Calore valley.
- Residents down 17.3% since 2011, over-65s at 28.3%.
- Seismic zone 1, expected acceleration 0.246 g.
- Ask for building and structural records before signing.
Overview
Castelfranci is a municipality in the province of Avellino, in Campania. At the end of 2023 it had 1,741 residents, ranked 67 of 118 municipalities in the province.
Earthquakes
For Italy's Civil Protection Department, Castelfranci is in seismic zone 1, the highest-risk zone, where very strong earthquakes are possible. Only 58 of 118 municipalities in the province are in zone 1.
In the built-up area, the expected ground shaking (peak ground acceleration, PGA) is about 0.246 g, a medium-high value: the level with a 10% probability of being exceeded in 50 years, on rock.
For anyone buying in Castelfranci, the building matters a great deal: ask for the design year, whether it met the 2008 seismic standards, and whether any seismic retrofit has been carried out.
Population
Compared with the 2011 census, the resident population has fallen by 17.3%. The estimated average age is 49 years, higher than the province average (46). 28% of residents are over 65 (the regional figure is 21%). Foreign residents make up 1.3% of the population. On average, a household has 2.3 members.
Income and climate
In tax year 2024, taxpayers in Castelfranci declared an average taxable income of 17,250 euros, below the provincial average (19,951 euros). The Italian average is 24,895 euros.
Castelfranci is in climate zone D, with 1,993 heating degree days: heating may be switched on from 1 November to 15 April, for up to 12 hours a day. The same table puts the town hall at 450 metres above sea level.
Services
In the official Ministry of Education and Ministry of Health lists, Castelfranci has 3 schools and 1 pharmacy. The Overture Maps data also lists 2 grocery shops and supermarkets and 1 sports facility.
The data shows no healthcare facilities within the municipality, against a provincial average of 0.5 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 8.9% of the land in Castelfranci, compared with 7.4% in the province and 10.6% in the region. In 2024 built-up land stayed almost the same.
Radon and contaminated sites
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 Castelfranci.
Landslides and flooding
Landslide and flood hazard changes from one street to the next even within Castelfranci: 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 Castelfranci 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 25 inhabited census areas in Castelfranci. Half of the residents live in areas scoring 60 or more.
Residents by band
- modest 12.7%
- fair 87.3%
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.
- Contaminated sites, ISPRA, MOSAICO - Banca dati nazionale dei siti oggetto di procedimento di bonifica. Licence CC BY 4.0, updated to 12 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 064023. The text on this page is generated automatically from the data.