Pierrelaye
| Pierrelaye | |
|---|---|
| The town hall of Pierrelaye | |
| Location of Pierrelaye | |
| Coordinates: 49°01′24″N 2°09′03″E / 49.0233°N 2.1508°E | |
| Country | France | 
| Region | Île-de-France | 
| Department | Val-d'Oise | 
| Arrondissement | Argenteuil | 
| Canton | Taverny | 
| Intercommunality | CA Val Parisis | 
| Government | |
| • Mayor (2020–2026) | Michel Vallade | 
| Area 1 | 9.21 km2 (3.56 sq mi) | 
| Population  (2022) | 10,230 | 
| • Density | 1,100/km2 (2,900/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| INSEE/Postal code | 95488 /95480 | 
| Elevation | 35–78 m (115–256 ft) | 
| 1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries. | |
Pierrelaye (French pronunciation: [pjɛʁlɛ] ⓘ) is a commune in the Val-d'Oise department in Île-de-France in northern France. Pierrelaye station has rail connections to Pontoise and Paris.