St Mary flood map and flood risk
St Mary, Fraser Coast Regional Council · Queensland · based on 138 mapped addresses
Past floods reached parts of St Mary: 2011 QLD January (about 4.3% of mapped addresses). About 21.7% of mapped addresses in St Mary sit inside Queensland's potential floodplain overlay (QFAO). Other mapped hazards: 87.7% in a bushfire-prone area. Every property differs, so check the exact address.
St Mary at a glance
Past floods in St Mary
- 2011 QLD January - about 4.3% of mapped addresses
From the Queensland Flood Extent Series and Brisbane City Council's February 2022 mapping. A mapped extent shows where water reached in that event.
Hazards across St Mary
Share of mapped addresses in St Mary inside each government hazard layer. It describes the suburb, not any one property.
Flood map of St Mary
Check a property in St Mary
The free check shows every mapped hazard for one address: flood, past floods, bushfire, storm tide, coastal erosion and acid sulfate soils, and what each means for a buyer. The full report adds how much of the lot is affected, zoning and planning overlays, school catchments and nearby services, a checklist of what to ask, and a PDF to keep.
Before you buy in St Mary
- Ask Fraser Coast Regional Council for a flood search on the exact lot - it gives flood levels and the rules for building.
- Get written insurance quotes that include flood cover.
- Ask the seller whether the property has flooded, and check for flood damage at inspection.
Stay informed
Get notified when flood data updates for St Mary.
Nearby suburbs
Indicative only. Compiled from Queensland Government datasets (QFAO, Queensland Flood Extent Series, QSpatial), Brisbane City Council, ABS and G-NAF. Not property-level advice - verify with the council before any property decision. Last updated 2026-09-28.