Understanding the True Cost of Buying a Home in Flood Zones

**Houses in flood zones** are sold at a discount, nearly **10.8% cheaper** in high-risk AEP 100 zones. AEP, or Annual Exceedance Probability, measures flood risk: a 1% chance annually for AEP 100. Misinterpretation of these probabilities leads many to underestimate the risk, thinking floods will occur only once in a hundred years. In reality, in a typical 80-year lifespan, there's a **55% likelihood to encounter such floods**. Research by Associate Professor Song Shi at UTS highlights that digital flood maps are changing perceptions, but the nuanced risks are often ignored, particularly beyond AEP 500 zones. The study emphasizes that **insurance costs in flood-prone areas**, such as an estimated $4,606 annually in Richmond, can significantly burden homeowners. As extreme weather events increase due to climate change, understanding these risks becomes essential for both buyers and policymakers to ensure informed decisions and community protection.