The median rent in Castricum is €1.918 per month, or €17,59 per square metre at a median of 116 m². Average of the monthly figures over mrt–jun 2026, 11 active listings per month from 9 agencies.
This is one slice of the data. The full study (prices, affordability, WWS compliance, speed and geography over March–May 2026) is free and quotable with attribution.