Question 1

What is the population of Pierrefonds?

Accepted Answer

The commune of Pierrefonds has 1,888 inhabitants per the INSEE census.

Question 2

Are there natural risks in Pierrefonds?

Accepted Answer

No natural risk is listed for Pierrefonds in the GASPAR / Géorisques database.

Question 3

What is the energy performance of homes in Pierrefonds?

Accepted Answer

Out of 174 ADEME EPCs available in Pierrefonds, the most common label is D. 2% are rated A or B.

Question 4

What is the crime rate in Pierrefonds?

Accepted Answer

In 2025, the crime rate in Pierrefonds was 18.1 offences per 1,000 inhabitants (burglaries, theft, violence, vandalism). Source: SSMSI / French Ministry of the Interior.

Question 5

Is the tap water safe to drink in Pierrefonds?

Accepted Answer

Tap water in Pierrefonds is compliant with quality standards. Source: ARS / Hub'eau. (854 analyses over 12 months)

Question 6

What is the air quality in Pierrefonds?

Accepted Answer

According to LCSQA stations (5-year mean) in Pierrefonds: PM2.5 : 9.2 µg/m³, NO₂ : 12.1 µg/m³, PM10 : 15.6 µg/m³. Source: LCSQA / Géod'air.