Property Management Insights
Flood risk is a misunderstood and underestimated threat facing property owners in Hawaii. The Federal Emergency Management Agency (FEMA) released preliminary flood maps on July 31, 2024. In Hawaii, there will be about 4,000 properties facing potential changes, some of which are rental propeterties. Map updates could directly impact insurance requirements, property values, and long-term planning decisions. Read on to learn about flood maps, flood zones, and what property owners should do before new zoning takes effect on June 10, 2026.
Flood Insurance Rate Maps
FEMA’s Flood Insurance Rate Maps (FIRMs) are designed to measure flood risk based on probability, not prediction. These maps are built using a combination of historical flood data, Flood Insurance Studies, prior mapping, and updated hazard analysis. There are two most widely referenced classifications. The first is the 1% annual chance flood (commonly referred to as the 100-year flood). Th other is the 0.2% annual chance flood (the 500-year flood). These terms are frequently misinterpreted. A “100-year flood” does not occur once every century. It represents a 1% chance of flooding in any given year, meaning multiple flood events can occur within a relatively short timeframe.
Flood Zones
Flood zones are categorized to reflect varying levels of risk. High-risk areas, known as Special Flood Hazard Areas (SFHA), include zones such as A, AE, AH, AO, VE, and AEF. Properties located within these zones carry the highest probability of flooding. They are also often subject to mandatory flood insurance requirements if financed with federally backed loans.
Moderate-risk areas, typically designated as shaded X zones, represent the 500-year floodplain and still carry measurable risk. Areas labeled as unshaded X are considered outside the 500-year floodplain. However, this designation does not eliminate risk entirely. A significant number of flood claims occur outside high-risk zones, often due to heavy rainfall, drainage limitations, or infrastructure failures. New zoning takes effects on June 10, 2026.
Flood Zone Updates
The July 31, 2024 preliminary FEMA maps are significant because they provide advance notice of potential changes before they are formally adopted. Property owners may find their properties newly placed into high-risk zones, removed from them, or subject to updated base flood elevation data. These shifts can carry real consequences. A property newly designated within a Special Flood Hazard Area may trigger lender requirements for flood insurance and introduce stricter local development or building regulations.
What Property Owners Can Do
Technical classifications, mapping updates, and insurance implications can feel complex, leading many to delay action. For property owners, the next steps are practical and necessary. Begin by reviewing the updated flood maps and identifying how a specific property is classified. From there, consult with insurance professionals, lenders, or local planning officials to understand the direct implications. Even in cases where flood insurance is not currently required, early consideration of coverage can be advantageous, as premiums are often more favorable before official reclassification occurs. Acting during the preliminary phase allows for better financial positioning and more flexibility in planning. You can use FEMA’s flood map tool here.
Flood risk exists along a spectrum, and preparation consistently proves more effective than reaction.Waiting for a crisis to drive action introduces unnecessary risk. By understanding FEMA flood maps, recognizing how risk is categorized, and taking proactive steps early, property owners can make informed decisions with confidence. If you have any questions about how the updated maps may affect your property, please don’t hesitate to reach out. Call Doug at (808) 596-4883 or email dougdavis@caronb.com
Why Professional Guidance Matters
Managing rental properties in a changing risk environment requires more than routine oversight. It demands informed, proactive management. With evolving flood maps and shifting insurance requirements, property owners need a team that understands how these factors impact both asset protection and tenant stability. At Caron B Realty International, we help clients navigate flood risk, coordinate with insurers and local officials, and implement preventative measures that protect both the property and its long-term value. For owners who are off-island or managing multiple investments, this level of guidance ensures their rental properties remain compliant, well-maintained, and positioned to perform.
Hawaii Rental Management Experts
Doug Davis is an Oahu-based Broker-in-Charge with 45+ years of experience, over 2,000 closed transactions, and more than $1 billion in career sales. He specializes in complex real estate transactions, as well as property management and estate management. Known for navigating high-stakes and challenging deals across all property types, Doug is a trusted resource for clients who need experience-driven results. To learn more about our comprehensive property management services, click here or contact Doug at (808) 596-4883 or dougdavis@caronb.com. Visit our YouTube channel to watch our property management series, Ask Doug! in which Doug answers common property management questions.
