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Petriolo: what to know before buying a home

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

Liveability index free for any address

Search for an address in Petriolo

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 Giovanni Xxiii 1, Petriolo.

Petriolo, a brick village in the Macerata hills

Petriolo's brick centre sits on a hill in the Macerata countryside, at about 270 metres, south of Macerata. The landscape is classic inland Marche: hills planted with wheat and sunflowers, rows of vines, scattered farmhouses and roads following the ridges. Macerata is about twenty minutes away, the Adriatic coast about forty.

Buyers choose between the historic centre, with brick terraced houses on several floors, and the countryside, with farmhouses and detached homes with land. In the centre the practical problem is often parking; in the country, access, drainage and the state of the roof. Many country houses have been renovated in recent decades, and it is worth asking for the permits for that work.

There were 1,825 residents in 2023, down 7.7% since 2011. The average age is 47.9 against 47.2 in the province, over-65s make up 28.5% and foreign residents 6.2%. Incomes are slightly below the provincial average.

The province of Macerata has been through major earthquakes, and buyers need to factor that in. Petriolo is in seismic zone 2, like 48 other municipalities in the province, with an expected ground acceleration of 0.175 g. For a brick house, ask whether it was damaged, whether any grant claims are still open and what work has been certified.

The climate zone is D. The Revenue Agency cadastral maps are available: the report starts from the address and shows the land parcel, slope and the official landslide and flood maps.

Key points

  • Brick hill village south of Macerata.
  • Historic centre or country farmhouse: two different choices.
  • Seismic zone 2, expected acceleration 0.175 g.
  • Ask about past damage and open grant claims.

Overview

Petriolo is a municipality in the province of Macerata, in Marche. At the end of 2023 it had 1,825 residents, ranked 30 of 55 municipalities in the province.

Earthquakes

For Italy's Civil Protection Department, Petriolo is in seismic zone 2, a zone where strong earthquakes are possible. Most municipalities in the province (49 of 55) are in the same zone.

In the built-up area, the expected ground shaking (peak ground acceleration, PGA) is about 0.175 g, a medium-high value: the level with a 10% probability of being exceeded in 50 years, on rock.

For anyone buying in Petriolo, the building matters a great deal: ask for the design year, whether it met the 2008 seismic standards, and whether any seismic retrofit has been carried out.

Population

Compared with the 2011 census, the resident population has fallen by 7.7%. The estimated average age is 48 years, in line with the province. 28% of residents are over 65 (the regional figure is 26%). Foreign residents make up 6.2% of the population. On average, a household has 2.5 members.

Income and climate

In tax year 2024, taxpayers in Petriolo declared an average taxable income of 21,975 euros, below the provincial average (23,312 euros). The Italian average is 24,895 euros.

Petriolo is in climate zone D, with 1,995 heating degree days: heating may be switched on from 1 November to 15 April, for up to 12 hours a day. The same table puts the town hall at 271 metres above sea level.

Services

In the official Ministry of Education and Ministry of Health lists, Petriolo has 3 schools and 1 pharmacy. The Overture Maps data also lists 1 grocery shop and 1 healthcare facility.

There are 1.6 schools per 1,000 residents, more than the province average (1.0).

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 7.1% of the land in Petriolo, compared with 5.7% in the province and 7.0% in the region. In 2024 built-up land stayed almost the same.

Radon and contaminated sites

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 Petriolo.

Landslides and flooding

Landslide and flood hazard changes from one street to the next even within Petriolo: 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 Petriolo 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 12 inhabited census areas in Petriolo. Half of the residents live in areas scoring 60 or more.

Residents by band

  • fair 59.1%
  • good 40.9%

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 043036. The text on this page is generated automatically from the data.