📮 Caloundra postcode: 4551

Flood Risk in Caloundra, QLD: 2026 Assessment

Caloundra, Queensland· Sunshine Coast Council· 4551
Caloundra faces a moderate risk of flooding due to its low-lying coastal areas and proximity to waterways. Intense rainfall events can lead to stormwater and riverine flooding.Updated 2 Apr 2026

Flood Risk Score

6.5/10

Caloundra faces a moderate risk of flooding due to its low-lying coastal areas and proximity to waterways. Intense rainfall events can lead to stormwater and riverine flooding.

Key Facts

Flood Risk
Caloundra faces a moderate risk of flooding due to its low-lying coastal areas and proximity to waterways. Intense rainfall events can lead to stormwater and riverine flooding.
Trend
increasing
Suburb
Caloundra, QLD
Overall Risk
Medium
Postcode
4551
Region
Coastal QLD
Median property value
$675,000
Dominant hazard
extreme heat (6/10)
Highest high-risk exposure
12.6% of land (tropical cyclone)

Flood Risk Analysis

Caloundra, 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 in Caloundra are prone to flash flooding during heavy rainfall events. The Sunshine Coast Council maintains flood maps and provides guidance on flood preparedness.

Caloundra faces a moderate risk of flooding due to its low-lying coastal areas and proximity to waterways. Intense rainfall events can lead to stormwater and riverine flooding.

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.

Caloundra 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 89.9% 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 Caloundra.

On ClimateNest's 0–10 suburb hazard index, Caloundra scores 5 for flood risk — a moderate exposure relative to the Australian suburb range. For comparison, properties in Caloundra can still sit well above or below this suburb average depending on elevation, distance to waterways or vegetation, and local drainage.

Caloundra located in Coastal QLD (postcode 4551), is a Queensland suburb tracked by ClimateNest. The suburb's median property value is $675,000, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Caloundra.

Across the six hazard axes ClimateNest models, the dominant climate risk in Caloundra is extreme heat (score 6/10), with moderate exposure. Insurance signals for the suburb point to premiums rising significantly (+40% by 2030). These suburb-level signals help prioritise which properties need the closest look — the actual risk of any single home can only be confirmed with an address-level report.

Whether you are buying, selling or renovating in Caloundra, extreme heat is the hazard to weigh first. Local council planning controls, state hazard mapping and lender climate policies each reference this kind of suburb-level signal, and property decisions in Caloundra are increasingly made with an address-level climate report in hand.

Local Hazard Evidence

Nearest WaterwayPumicestone Passage
Elevation Range0-20 meters
Flood Zone ClassificationCoastal and riverine flood zones

Historical Events

2022
Major

Major flooding event impacted Caloundra, leading to evacuations and significant property damage.

2013
Moderate

Severe flooding occurred in Caloundra due to ex-Tropical Cyclone Oswald, causing widespread damage and disruption.

Adaptation & Mitigation Actions

Improve stormwater drainage

Near-term

Upgrade stormwater drainage infrastructure to reduce the risk of flash flooding.

Est. cost: Medium

Raise awareness of heatwave risks

Immediate

Implement public awareness campaigns to educate residents about heatwave risks and protective measures.

Est. cost: Low

Strengthen coastal defenses

Long-term

Invest in coastal protection measures such as seawalls and beach nourishment to reduce erosion and inundation.

Est. cost: High

Develop emergency response plans

Immediate

Create and regularly update emergency response plans for floods, bushfires, and heatwaves.

Est. cost: Low

Council & Emergency Services

Sunshine Coast Council
Emergency Services

Data last updated: 2 April 2026

Explore Caloundra Risk Reports

Frequently Asked Questions

Is Caloundra at risk of flooding?

Based on available data, Caloundra has a notable flood risk profile. Flood risk varies by address — check your specific property for precise flood zone mapping and elevation data with ClimateNest.

What flood insurance costs can I expect in Caloundra?

Insurance costs for flood cover in Caloundra depend on the property's flood zone classification, elevation, and proximity to waterways. ClimateNest provides address-level insurance cost estimates based on your property's specific hazard exposure.

Does flood risk affect property values in Caloundra?

Yes, flood risk can affect property values in Caloundra. Properties in mapped flood zones may experience lower buyer demand, reduced valuations, and higher insurance costs. Lenders increasingly assess flood exposure as part of mortgage risk evaluation.

How does elevation affect flood risk in Caloundra?

Elevation is a critical factor in flood risk. Properties at higher elevations within Caloundra typically have lower flood exposure than those near waterways or in low-lying areas. Address-level elevation data combined with BOM flood mapping provides the most accurate picture.

What are the main climate risks in Caloundra?

ClimateNest's suburb model rates Caloundra's dominant climate risk as extreme heat at 6/10 on a 0–10 index, followed by damaging wind (6/10) and severe storm (6/10). These are suburb-level averages — an address-level report is needed to confirm the risk of a specific property in Caloundra.

What share of Caloundra is exposed to high tropical cyclone risk?

ClimateNest's hazard overlay maps 12.6% of Caloundra in high-risk zones for tropical cyclone, with a further 75.8% in moderate-risk zones. Suburb-level exposure is not uniform — individual properties can differ from these averages, so an address-level check is recommended.

Is Caloundra Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Caloundra, Queensland, covering flood, bushfire, sea level rise and more.

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What A$69 could save you from

$7.2B
2022 insured disaster losses*
$300B+
climate risk to property by 2050*
30-120%
insurance premium increases in high-risk areas*

*Industry sources: ICA, APRA, RBA

Full report from A$69 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections