Flood Risk in Croydon, VIC: 2026 Assessment

Croydon, located in Victoria, has a notable flood risk profile based on available data including proximity to waterways, elevation, and historical flood events. The Bureau of Meteorology (BOM) maintains river height and flood warning data for catchments across Victoria.

Maroondah City Council provides information and resources on flood preparedness for residents.

Croydon faces a moderate risk of flooding due to its location within the Dandenong Creek catchment. Intense rainfall events can lead to flash flooding, particularly in low-lying areas and near waterways.

For a comprehensive property-specific flood assessment including address-level elevation data, flood overlay mapping, and insurance cost estimates, use the ClimateNest full analysis tool. General suburb data cannot replace a site-specific evaluation.

Croydon sits within ClimateNest's suburb-level hazard model for flood risk. 5% of the suburb's land area is mapped in high-risk flood zones and 75.1% in moderate-risk zones, based on the national hazard overlay. Exposure at this scale varies street by street, which is why an address-level check matters before you buy or insure a specific property in Croydon.

Croydon (postcode 3136) is tracked in ClimateNest's suburb hazard model, which maps the share of the suburb's land exposed to each hazard at high and moderate levels. The suburb's highest high-risk exposures are bushfire (15.6% of land in high-risk zones), riverine flood (5% of land in high-risk zones), extreme wind (5% of land in high-risk zones). Exposure is not uniform across Croydon — individual properties can sit well above or below these averages, so an address-level check is recommended before buying, selling or insuring.