San Colombano 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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Search for an address in San Colombano al Lambro
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 Dalcerri e Tosi 1, San Colombano al Lambro.
San Colombano al Lambro, a wine hill in the middle of the plain
San Colombano al Lambro is an administrative island: it belongs to the Metropolitan City of Milan but is surrounded by the provinces of Lodi and Pavia, with no border shared with the rest of the Milan area. The town lies at the foot of a lone hill rising out of the plain and covered in vineyards, where San Colombano wine is made, the only DOC (protected designation) wine in the province of Milan.
The historic centre is dominated by the Belgioioso castle, and the river Lambro runs along the edge of town before flowing into the Po a little further south. Homes range from flats in the centre to detached houses below the hill, and on to farmhouses and houses among the vineyards on the slopes, where you find the quietest spots but also the narrowest roads.
Buyers here are further from Milan than the provincial label suggests: the city is about an hour by car, while Lodi and Pavia are closer and serve as the reference for many services. If you would be commuting to Milan every day, try the journey before you decide.
The population is flat: 7,344 residents in 2023 according to Istat, the national statistics institute, a change of +0.1% on 2011. It is older than the metropolitan average, with an estimated average age of 47.6 against 45.6 and over-65s at 26.5% against 23.0%. Foreign residents make up 10.0%.
The Civil Protection Department (Protezione Civile) places San Colombano in seismic zone 3, with an expected ground acceleration of about 0.080 g. The hazard is low, but in old brick houses in the centre and in farmhouses it is worth checking roofs, walls and rising damp.
The Revenue Agency (Agenzia delle Entrate) publishes the cadastral maps and the report goes from the address to the plot. In the low-lying part towards the Lambro, flood hazard is checked address by address; on the hill, slope and landslides matter.
Key points
- An island of the Milan metropolitan area between Lodi and Pavia.
- A hill producing the only DOC wine in the province of Milan.
- Over-65s at 26.5% against 23.0% in the province.
- Seismic zone 3, expected acceleration about 0.080 g.
Overview
San Colombano al Lambro is a municipality in the province of Milano, in Lombardia. At the end of 2023 it had 7,344 residents, ranked 80 of 133 municipalities in the province.
Earthquakes
For Italy's Civil Protection Department, San Colombano 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 0.080 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 number of residents is nearly unchanged. The estimated average age is 48 years, higher than the province average (46). 26% of residents are over 65 (the regional figure is 24%). Foreign residents make up 10.0% of the population. On average, a household has 2.2 members.
Income and climate
In tax year 2024, taxpayers in San Colombano al Lambro declared an average taxable income of 26,627 euros, below the provincial average (33,635 euros). The Italian average is 24,895 euros.
San Colombano al Lambro is in climate zone E, with 2,649 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 80 metres above sea level.
Services
In the official Ministry of Education and Ministry of Health lists, San Colombano al Lambro has 3 schools and 2 pharmacies. The Overture Maps data also lists 4 grocery shops and supermarkets, 6 healthcare facilities, 12 sports facilities and 2 parks and green areas.
There are 0.5 grocery shops and supermarkets per 1,000 residents, more than the province average (0.3).
Public transport
The open timetables available for the area do not list any stops within the territory of San Colombano al Lambro.
How built-up it is
Buildings, roads, car parks and other sealed surfaces cover 18.1% of the land in San Colombano al Lambro, compared with 32.0% in the province and 12.2% in the region. In 2024 built-up land stayed almost the same.
Radon and contaminated sites
San Colombano 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 one contaminated site, or site still under investigation, in San Colombano al Lambro, and one more has been cleaned up or closed. 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 Colombano 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 Colombano 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 45 inhabited census areas in San Colombano al Lambro. Half of the residents live in areas scoring 68 or more.
Residents by band
- fair 22.5%
- good 77.5%
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 14 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 015191. The text on this page is generated automatically from the data.