San Zenone al Lambro: what to know before buying a home
A municipality in the province of Milano, Lombardia. 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 Isola 1, San Zenone al Lambro.
San Zenone al Lambro, on the Lambro between Melegnano and Lodi
San Zenone al Lambro is the last municipality of the Milan metropolitan area before the province of Lodi, along the river Lambro south-east of Melegnano. The landscape is the irrigated Lombard plain, with farmsteads, fields and the river running through, while the village has grown with estates of recent houses.
The main advantage is the train. There is a station in the village on the line between Milan and Lodi, so you can reach Milan without a car. The A1 motorway runs close by. Otherwise services are limited, 22 in all, and for hospitals and secondary schools people go to Melegnano, Lodi or Milan.
The municipality attracts young families. There are 4,444 residents, up 6.2% on 2011, with an average age of 43.8 against 45.6 across the Milan area and over-65s at 20.7%. Foreign residents make up 11.6%. Declared incomes are below the provincial average, which is the highest in Italy, and house prices remain lower than in the towns right next to Milan.
The Lambro is the thing to watch. The river can flood badly, and homes closest to its bed or in low-lying areas may be exposed. The report checks the official flood maps for the address, and the difference from one street to the next can be large.
Earthquake risk is low: San Zenone is in seismic zone 3 of the Civil Protection classification, with an expected ground acceleration of about 0.063 g. In a recent house, look mainly at the energy rating; in a converted farmstead, at roofs, damp and services.
Key points
- On the Lambro, on the Lodi border, with a station for Milan.
- 4,444 residents, up 6.2% since 2011.
- Average age 43.8, over-65s at 20.7%.
- Check Lambro flooding; seismic zone 3.
Overview
San Zenone al Lambro is a municipality in the province of Milano, in Lombardia. At the end of 2023 it had 4,444 residents, ranked 109 of 133 municipalities in the province.
Earthquakes
For Italy's Civil Protection Department, San Zenone al Lambro is in seismic zone 3, a zone where strong earthquakes are possible but rare. Only 60 of 133 municipalities in the province are in zone 3.
In the built-up area, the expected ground shaking (peak ground acceleration, PGA) is about 0.063 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 grown by 6.2%. 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 11.6% of the population. On average, a household has 2.4 members.
Income and climate
In tax year 2024, taxpayers in San Zenone al Lambro declared an average taxable income of 26,915 euros, below the provincial average (33,635 euros). The Italian average is 24,895 euros.
San Zenone al Lambro is in climate zone E, with 2,592 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 83 metres above sea level.
Services
In the official Ministry of Education and Ministry of Health lists, San Zenone al Lambro has 3 schools and 1 pharmacy. The Overture Maps data also lists 1 healthcare facility and 1 sports facility.
The data shows no grocery shops and supermarkets within the municipality, against a provincial average of 0.3 per 1,000 residents.
Public transport
Within the municipality there are 1 public transport stops, served by 1 train line. That is about 0.2 stops per 1,000 residents.
How built-up it is
Buildings, roads, car parks and other sealed surfaces cover 20.1% of the land in San Zenone al Lambro, compared with 32.0% in the province and 12.2% in the region. In 2024 built-up land grew by 1.6 hectares.
Radon and contaminated sites
San Zenone al Lambro is not among the radon priority areas designated by the Regione Lombardia 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 2 contaminated sites, or sites still under investigation, in San Zenone al Lambro. 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 San Zenone al Lambro: 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 Zenone al Lambro 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 15 inhabited census areas in San Zenone al Lambro. Half of the residents live in areas scoring 73 or more.
Residents by band
- modest 0.0%
- fair 27.9%
- good 72.0%
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.
- Public transport timetables (GTFS): ATM Milano, Comune di Milano - AMAT, orari del trasporto pubblico ATM (GTFS). Licence CC BY 4.0, version 20261029.
- Public transport timetables (GTFS): Trenord, Regione Lombardia - Trenord, orari ferroviari (GTFS). Licence CC BY 4.0, version 20261111.
- 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 Lombardia, national list compiled by ARPA Lombardia. Licence Atto pubblico (art. 5 L. 633/1941), 2023.
- Contaminated sites, Regione Lombardia. Licence CC0 1.0 (pubblico dominio), updated to 15 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 015202. The text on this page is generated automatically from the data.