Castelvecchio Subequo: what to know before buying a home
A municipality in the province of L'Aquila, Abruzzo. Official data on earthquakes, population, services and transport.
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Search for an address in Castelvecchio Subequo
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 Nazionale 1, Castelvecchio Subequo.
Castelvecchio Subequo, the Subequana valley below the Sirente
Between the L'Aquila basin and the Peligna valley, the river Aterno runs through the Subequana valley, a mountain basin closed off by the Sirente massif. Castelvecchio Subequo is one of its villages: a stone settlement at around 490 metres, with the old centre on a rise and fields, pasture and olive groves around it climbing towards the woods.
Buying here means choosing a mountain village in the inland Apennines, far from the cities and with only basic services. The housing is mainly old stone houses, some strengthened or repaired in recent years, plus a few newer homes outside the centre. Winters are cold, climate zone E, and heating and insulation weigh on running costs.
The population has fallen a great deal: Istat, the national statistics office, counted 820 residents in 2023, 23.1% fewer than the 1,067 of 2011. The average age is 54.4 against 47.5 in the province, and over-65s make up 40.4%. Households are small, 1.85 people on average, and foreign residents account for 5.5%. Declared incomes are below the provincial average.
Earthquakes are the first thing to consider. Castelvecchio Subequo is in zone 1 on the Civil Protection scale, like 103 of the 108 municipalities in the province of L'Aquila, with an expected ground acceleration of about 0.260 g. For a house in the old centre you need the records of the work carried out, the structural sign-off and the status of any public grants.
On the slopes of the basin and along the Aterno, landslide and flood hazard is checked on the official maps for the exact address, which the report does automatically. The Revenue Agency (Agenzia delle Entrate) publishes cadastral maps here, so the report finds the land parcel from the address.
Key points
- Subequana valley, on the Aterno, below the Sirente.
- Residents down 23.1% since 2011, over-65s at 40.4%.
- Seismic zone 1, expected acceleration about 0.260 g.
- Stone houses: ask for works records, sign-off and grants.
Overview
Castelvecchio Subequo is a municipality in the province of L'Aquila, in Abruzzo. At the end of 2023 it had 820 residents, ranked 60 of 108 municipalities in the province.
Earthquakes
For Italy's Civil Protection Department, Castelvecchio Subequo is in seismic zone 1, the highest-risk zone, where very strong earthquakes are possible. Most municipalities in the province (103 of 108) are in the same zone.
In the built-up area, the expected ground shaking (peak ground acceleration, PGA) is about 0.260 g, a high value: the level with a 10% probability of being exceeded in 50 years, on rock.
For anyone buying in Castelvecchio Subequo, 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 23.1%. The estimated average age is 54 years, higher than the province average (48). 40% of residents are over 65 (the regional figure is 26%). Foreign residents make up 5.5% of the population. On average, a household has 1.9 members.
Income and climate
In tax year 2024, taxpayers in Castelvecchio Subequo declared an average taxable income of 19,187 euros, below the provincial average (22,903 euros). The Italian average is 24,895 euros.
Castelvecchio Subequo is in climate zone E, with 2,166 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 490 metres above sea level.
Services
In the official Ministry of Education and Ministry of Health lists, Castelvecchio Subequo has 3 schools and 1 pharmacy.
The data shows no grocery shops and supermarkets within the municipality, against a provincial average of 0.7 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 3.7% of the land in Castelvecchio Subequo, compared with 3.2% in the province and 5.1% 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 Castelvecchio Subequo.
Landslides and flooding
Landslide and flood hazard changes from one street to the next even within Castelvecchio Subequo: 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 Castelvecchio Subequo 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 Castelvecchio Subequo. Half of the residents live in areas scoring 60 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.
- 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 066031. The text on this page is generated automatically from the data.