๐Ÿ“ฎ Yarramalong postcode: 2259

Flood Risk in Yarramalong, NSW: 2026 Assessment

Yarramalong, New South Walesยท Central Coastยท 2259
Yarramalong faces a moderate risk of flooding due to its proximity to the Yarramalong Creek and surrounding waterways. Intense rainfall events can cause the creek to overflow, inundating low-lying areas.Updated 30 May 2026

Flood Risk Score

6.5/10

Yarramalong faces a moderate risk of flooding due to its proximity to the Yarramalong Creek and surrounding waterways. Intense rainfall events can cause the creek to overflow, inundating low-lying areas.

Key Facts

Flood Risk
Yarramalong faces a moderate risk of flooding due to its proximity to the Yarramalong Creek and surrounding waterways. Intense rainfall events can cause the creek to overflow, inundating low-lying areas.
Trend
increasing
Suburb
Yarramalong, NSW
Overall Risk
Medium
Postcode
2259
Highest high-risk exposure
11.3% of land (surface flood)

Flood Risk Analysis

Yarramalong, located in New South Wales, 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 New South Wales.

Historical flood data indicates that Yarramalong has experienced several significant flood events in the past.

Yarramalong faces a moderate risk of flooding due to its proximity to the Yarramalong Creek and surrounding waterways. Intense rainfall events can cause the creek to overflow, inundating low-lying areas.

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.

Yarramalong sits within ClimateNest's suburb-level hazard model for flood risk. 3.8% of the suburb's land area is mapped in high-risk flood zones and 69.7% 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 Yarramalong.

Yarramalong (postcode 2259) 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 surface flood (11.3% of land in high-risk zones), bushfire (8.8% of land in high-risk zones), riverine flood (3.8% of land in high-risk zones). Exposure is not uniform across Yarramalong โ€” individual properties can sit well above or below these averages, so an address-level check is recommended before buying, selling or insuring.

Local Hazard Evidence

Nearest WaterwayYarramalong Creek
Elevation Range20-50 meters
Flood Zone ClassificationAreas adjacent to Yarramalong Creek are prone to flooding.

Historical Events

2017
Moderate

Another significant flood event impacted Yarramalong, causing further property damage and disruption.

2007
Moderate

Significant flooding occurred in Yarramalong following heavy rainfall, inundating low-lying areas and causing property damage.

Adaptation & Mitigation Actions

Improve Flood Defenses

Near-term

Invest in infrastructure to mitigate flood risk, such as levees, drainage improvements, and flood-proofing of buildings.

Est. cost: High

Enhance Bushfire Preparedness

Immediate

Implement bushfire mitigation measures, such as clearing vegetation around properties, creating firebreaks, and developing community evacuation plans.

Est. cost: Medium

Develop a Heatwave Management Plan

Near-term

Establish a heatwave management plan to protect vulnerable populations, including cooling centers, public awareness campaigns, and early warning systems.

Est. cost: Low

Promote Water Conservation

Long-term

Encourage water conservation measures to reduce water demand during periods of drought and heatwaves.

Est. cost: Low

Strengthen Community Resilience

Long-term

Foster community resilience through education, training, and community-based initiatives to prepare for and respond to climate-related disasters.

Est. cost: Low

Council & Emergency Services

Central Coast Council
Emergency Services

Data last updated: 30 May 2026

Explore Yarramalong Risk Reports

Frequently Asked Questions

Is Yarramalong at risk of flooding?

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

What flood insurance costs can I expect in Yarramalong?

Insurance costs for flood cover in Yarramalong 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 Yarramalong?

Yes, flood risk can affect property values in Yarramalong. 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 Yarramalong?

Elevation is a critical factor in flood risk. Properties at higher elevations within Yarramalong 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 share of Yarramalong is exposed to high surface flood risk?

ClimateNest's hazard overlay maps 11.3% of Yarramalong in high-risk zones for surface flood, with a further 70.4% in moderate-risk zones. Suburb-level exposure is not uniform โ€” individual properties can differ from these averages, so an address-level check is recommended.

Is Yarramalong Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Yarramalong, New South Wales, covering flood, bushfire, sea level rise and more.

Free instant previewCSIRO-powered data

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 ยท Australian addresses only ยท 8 hazard scores ยท Insurance trajectory ยท 2030 & 2050 projections