San Marzano di San Giuseppe: what to know before buying a home
A municipality in the province of Taranto, Puglia. 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: Via Vittorio Emanuele 1, San Marzano di San Giuseppe.
San Marzano di San Giuseppe, an Arbëreshë town near Taranto
San Marzano di San Giuseppe is the only municipality in the province of Taranto where Arbëreshë is still spoken, the language of the Albanian communities that settled in southern Italy in the fifteenth and sixteenth centuries. The town lies inland in the eastern part of the province, near Grottaglie, Sava and Fragagnano, on a low plateau at around one hundred and thirty metres, surrounded by vineyards and olive groves.
This is wine country: the area falls within the Primitivo di Manduria appellation and wineries are an important part of the local economy. The centre has low houses with courtyards, often single-storey, and around it are detached houses and country homes. Taranto is about twenty kilometres away, and many residents work there or in nearby towns.
At the end of 2023 there were 8,874 residents, down 4.3% since 2011 according to Istat, the national statistics office, a trend shared by many southern towns. The population is nevertheless younger than the province: estimated average age 43.8 against 46.5, over-65s at 20.7% against 25.1%. Foreign residents make up 2.5%, and declared incomes are below the provincial average.
The earthquake hazard is among the lowest in Italy. San Marzano is in seismic zone 4, like 19 of the 29 municipalities in the province (the other 10 are in zone 3), with an expected ground acceleration of about 0.055 g. In the tufa and stone houses of the centre, rising damp, the state of the floors and the waterproofing of flat roofs matter more.
The Revenue Agency (Agenzia delle Entrate) publishes the cadastral maps and the report traces the address to its land parcel. On flat farmland, rainwater collects in the lowest spots during storms, so flood hazard is read for the exact address.
Key points
- Arbëreshë community in the eastern Taranto countryside.
- Primitivo di Manduria wine area, among vineyards and olive groves.
- Average age 43.8, younger than the province (46.5).
- Seismic zone 4, expected acceleration about 0.055 g.
Overview
San Marzano di San Giuseppe is a municipality in the province of Taranto, in Puglia. At the end of 2023 it had 8,874 residents, ranked 17 of 29 municipalities in the province.
Earthquakes
For Italy's Civil Protection Department, San Marzano di San Giuseppe is in seismic zone 4, the lowest-risk zone, where strong earthquakes are very rare. Most municipalities in the province (19 of 29) are in the same zone.
In the built-up area, the expected ground shaking (peak ground acceleration, PGA) is about 0.055 g, a moderate value: the level with a 10% probability of being exceeded in 50 years, on rock.
In zone 4 the risk is low, but for an older building it is still worth asking about the state of the structure.
Population
Compared with the 2011 census, the resident population has fallen by 4.3%. The estimated average age is 44 years, lower than the province average (46). 21% of residents are over 65 (the regional figure is 24%). Foreign residents make up 2.5% of the population. On average, a household has 2.6 members.
Income and climate
In tax year 2024, taxpayers in San Marzano di San Giuseppe declared an average taxable income of 18,162 euros, below the provincial average (20,557 euros). The Italian average is 24,895 euros.
San Marzano di San Giuseppe is in climate zone C, with 1,247 heating degree days: heating may be switched on from 15 November to 31 March, for up to 10 hours a day. The same table puts the town hall at 134 metres above sea level.
Services
In the official Ministry of Education and Ministry of Health lists, San Marzano di San Giuseppe has 6 schools and 3 pharmacies. The Overture Maps data also lists 4 grocery shops and supermarkets, 2 healthcare facilities, 1 sports facility and 1 green area.
There are 0.2 healthcare facilities per 1,000 residents, fewer than the province average (0.6).
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 16.0% of the land in San Marzano di San Giuseppe, compared with 9.6% in the province and 8.2% in the region. In 2024 built-up land grew by 2.4 hectares.
Radon and contaminated sites
San Marzano di San Giuseppe is not among the radon priority areas designated by the Regione Puglia in 2025. 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 San Marzano di San Giuseppe.
Landslides and flooding
Landslide and flood hazard changes from one street to the next even within San Marzano di San Giuseppe: 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 San Marzano di San Giuseppe 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 28 inhabited census areas in San Marzano di San Giuseppe. Half of the residents live in areas scoring 71 or more.
Residents by band
- fair 6.9%
- good 93.1%
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 Puglia, national list compiled by ARPA Lombardia. Licence Atto pubblico (art. 5 L. 633/1941), 2025.
- 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 073025. The text on this page is generated automatically from the data.