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Gaggiano: what to know before buying a home

A municipality in the province of Milano, Lombardia. Official data on earthquakes, population, services and transport.

Liveability index free for any address

Search for an address in Gaggiano

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 Alessandro Volta 1, Gaggiano.

Gaggiano, on the Naviglio Grande in Milan's southern farm park

The Naviglio Grande, the canal that carries water from the Ticino river to Milan, runs right through Gaggiano. Around the town lie the rice fields, farmland and farmsteads of the Parco Agricolo Sud Milano, a protected agricultural park, and the municipality includes hamlets such as Vigano Certosino. Milan begins just after Trezzano sul Naviglio, and the canal towpath carries a cycle route into the city in one direction and towards Abbiategrasso in the other.

For commuting there is the train: the station on the Milan-Mortara line is served by 3 rail lines, plus buses. People moving out from Milan find bigger homes with more green space, usually for less money, but should expect winter fog and the damp of irrigated farmland. The market ranges from courtyard houses in the centre and along the canal to detached homes in newer neighbourhoods and restored farmhouses.

At the end of 2023 there were 9,347 residents, up 4.6% on 2011. The average age is 45.8, virtually the same as the metropolitan area (45.6); people over 65 make up 24.2% and foreign residents 7.3%. The average declared income is below the metropolitan figure, which is inflated by incomes in the city of Milan.

Gaggiano is in seismic zone 4 under the Civil Protection Department's classification, with expected ground acceleration of about 0.045 g, so earthquakes are not the main concern here. Water and ground conditions are. With canals and irrigation ditches everywhere and a shallow water table in many parts of the area south of Milan, cellars, garages and basements should be checked for leaks and damp.

The report finds the land parcel on the Revenue Agency (Agenzia delle Entrate) maps and checks the official flood maps for the address; it also measures the distance to the station and to services, including 3 pharmacies and 4 supermarkets.

Key points

  • On the Naviglio Grande canal, inside Milan's southern farm park.
  • Station on the Milan-Mortara line with 3 rail lines.
  • 9,347 residents, up 4.6% since 2011.
  • Seismic zone 4; check basements for damp.

Overview

Gaggiano is a municipality in the province of Milano, in Lombardia. At the end of 2023 it had 9,347 residents, ranked 64 of 133 municipalities in the province.

Earthquakes

For Italy's Civil Protection Department, Gaggiano is in seismic zone 4, the lowest-risk zone, where strong earthquakes are very rare. Most municipalities in the province (73 of 133) are in the same zone.

In the built-up area, the expected ground shaking (peak ground acceleration, PGA) is about 0.045 g, a low 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 grown by 4.6%. The estimated average age is 46 years, in line with the province. 24% of residents are over 65 (the regional figure is 24%). Foreign residents make up 7.3% of the population. On average, a household has 2.2 members.

Income and climate

In tax year 2024, taxpayers in Gaggiano declared an average taxable income of 29,374 euros, below the provincial average (33,635 euros). The Italian average is 24,895 euros.

Gaggiano is in climate zone E, with 2,404 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 117 metres above sea level.

Services

In the official Ministry of Education and Ministry of Health lists, Gaggiano has 5 schools and 3 pharmacies. The Overture Maps data also lists 4 grocery shops and supermarkets, 3 healthcare facilities, 4 sports facilities and 3 parks and green areas.

There are 0.3 healthcare facilities per 1,000 residents, fewer than the province average (0.8).

Public transport

Within the municipality there are 1 public transport stops, served by 3 train lines, 1 bus line. That is about 0.1 stops per 1,000 residents.

How built-up it is

Buildings, roads, car parks and other sealed surfaces cover 12.2% of the land in Gaggiano, compared with 32.0% in the province and 12.2% in the region. In 2024 built-up land grew by 1.4 hectares.

Radon and contaminated sites

Gaggiano 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 3 contaminated sites, or sites still under investigation, in Gaggiano, and 4 more have 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 Gaggiano: 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 Gaggiano 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 92 inhabited census areas in Gaggiano. Half of the residents live in areas scoring 78 or more.

Residents by band

  • modest 0.6%
  • fair 12.7%
  • good 46.6%
  • very good 40.1%

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

ISTAT code 015103. The text on this page is generated automatically from the data.