San Canzian d'Isonzo: what to know before buying a home
A municipality in the province of Gorizia, Friuli-Venezia Giulia. Official data on earthquakes, population, services and transport.
Liveability index free for any address
Land sheet 6 free checks
Search for an address in San Canzian d'Isonzo
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, San Canzian d'Isonzo.
San Canzian d'Isonzo, villages of the lower Isonzo
San Canzian d'Isonzo is part of the Bisiacaria, the plain around Monfalcone along the lower course of the river Isonzo, in the far north-east of Italy. It is a municipality of several villages: San Canzian, Pieris, Begliano, Isola Morosini and other small places spread along the last stretch of the river, a few kilometres from the sea. The name comes from the early Christian martyrs Cantius, Cantianus and Cantianilla, and remains from that period survive here.
Monfalcone, with its shipyard and port, is a few minutes away and provides much of the local employment; Trieste and Gorizia are reached by motorway and main roads. Average incomes are above those of the province of Gorizia.
One peculiarity must be understood before buying. As in the rest of the province of Gorizia, property here is recorded under the tavolare system inherited from Austria-Hungary: ownership passes when a judge orders its entry in the land book (libro fondiario), and searches are made at the land book office rather than the ordinary property registry. Notaries handle it routinely, but paperwork and timing differ from the rest of Italy. Cadastral maps from the Revenue Agency (Agenzia delle Entrate) are still published, and the report uses them to find the land parcel.
Istat, the national statistics office, counted 6,023 residents in 2023, down 4.5% since 2011; by population the municipality ranks 8 in the province, with 4.4% of its residents. Average age is 47.8, over-65s are 25.3% against 26.9% provincially, and foreign nationals 6.1%.
The municipality is in seismic zone 3 of the Civil Protection Department classification, with expected ground acceleration of about 0.127 g. The more practical issue is water: between the Isonzo embankments and the reclaimed land towards the sea the ground is only a few metres above sea level, and the report checks flood maps for each address.
Key points
- Lower Isonzo plain, a few minutes from Monfalcone.
- Tavolare system: ownership is entered in the land book.
- 6,023 residents in 2023, 4.4% of the province.
- Seismic zone 3; low ground near the river, check flood maps.
Overview
San Canzian d'Isonzo is a municipality in the province of Gorizia, in Friuli-Venezia Giulia. At the end of 2023 it had 6,023 residents, ranked 8 of 25 municipalities in the province.
Earthquakes
For Italy's Civil Protection Department, San Canzian d'Isonzo is in seismic zone 3, a zone where strong earthquakes are possible but rare. Most municipalities in the province (15 of 25) are in the same zone.
In the built-up area, the expected ground shaking (peak ground acceleration, PGA) is about 0.127 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 4.5%. The estimated average age is 48 years, in line with the province. 25% of residents are over 65 (the regional figure is 27%). Foreign residents make up 6.1% of the population. On average, a household has 2.2 members.
Income and climate
In tax year 2024, taxpayers in San Canzian d'Isonzo declared an average taxable income of 25,268 euros, in line with the province (24,418 euros). The Italian average is 24,895 euros.
San Canzian d'Isonzo is in climate zone E, with 2,250 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 8 metres above sea level.
Services
In the official Ministry of Education and Ministry of Health lists, San Canzian d'Isonzo has 5 schools and 2 pharmacies. The Overture Maps data also lists 2 grocery shops and supermarkets, 2 healthcare facilities and 4 sports facilities.
There are 0.3 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 9.4% of the land in San Canzian d'Isonzo, compared with 13.0% in the province and 8.1% in the region. In 2024 built-up land stayed almost the same.
Radon and contaminated sites
San Canzian d'Isonzo is not among the radon priority areas designated by the Regione Friuli Venezia Giulia in 2024. 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 open contaminated sites in San Canzian d'Isonzo; 5 have been cleaned up or closed.
Landslides and flooding
Landslide and flood hazard changes from one street to the next even within San Canzian d'Isonzo: 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
San Canzian d'Isonzo uses the tavolare (land book) system, but the Revenue Agency still publishes the maps: the report finds the building's parcel, that is its sheet and parcel number, starting from the address.
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 46 inhabited census areas in San Canzian d'Isonzo. Half of the residents live in areas scoring 64 or more.
Residents by band
- modest 17.2%
- fair 48.7%
- good 34.1%
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 Friuli Venezia Giulia, national list compiled by ARPA Lombardia. Licence Atto pubblico (art. 5 L. 633/1941), 2024.
- 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 031018. The text on this page is generated automatically from the data.