Flood Risk in St Lucia, QLD: 2026 Assessment

St Lucia, located in Queensland, 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 Queensland.

Several areas within St Lucia are prone to inundation during significant rainfall events. Past flood events have impacted residential and commercial properties.

St Lucia is located near the Brisbane River and is susceptible to flooding from heavy rainfall and riverine overflow. The area has a history of flooding, and climate change is expected to increase the frequency and intensity of extreme rainfall events.

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.

St Lucia sits within ClimateNest's suburb-level hazard model for flood risk. 12.6% of the suburb's land area is mapped in high-risk flood zones and 79.9% 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 St Lucia.

St Lucia (postcode 4067) 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 tropical cyclone (18.1% of land in high-risk zones), riverine flood (12.6% of land in high-risk zones), bushfire (9.6% of land in high-risk zones). Exposure is not uniform across St Lucia — individual properties can sit well above or below these averages, so an address-level check is recommended before buying, selling or insuring.