The 7 Flood Zones Every Homebuyer and Seller in Hawaiʻi Should Know 2026
The 7 Flood Zones Every Homebuyer and Seller in Hawaiʻi Should Know A 2026 Guide to Flood Risk, Insurance, and Property Due Diligence on Hawaiʻi Island Last reviewed: October 2026 Is Your Property in a Flood Zone? Hawaiʻi Island, commonly known as the Big Island, offers an extraordinary variety of landscapes, from the coastal communities of Kailua-Kona and Hilo to the lush windward districts, mountain slopes, agricultural land, and volcanic terrain of the island’s interior. But these landscapes also create different flood risks. Heavy rainfall, overflowing streams, surface runoff, inadequate drainage, and coastal flooding can affect properties in different ways. A home located on a hillside may face different hazards from one situated near a stream, in a low-lying area, or along the coast. For homebuyers, sellers, investors, and homeowners, understanding a property's flood zone is an important part of making informed real estate decisions. The Federal Emergency Management Agency (F...