Flood Risk in Como, NSW: 2026 Assessment

Como, New South Wales· UNKNOWN
Como is located near the Georges River, making it susceptible to flooding from heavy rainfall and riverine overflow. Climate change is expected to increase the intensity of rainfall events, exacerbating flood risk.Updated 26 May 2026

Flood Risk Score

6.5/10

Como is located near the Georges River, making it susceptible to flooding from heavy rainfall and riverine overflow. Climate change is expected to increase the intensity of rainfall events, exacerbating flood risk.

Key Facts

Flood Risk
Como is located near the Georges River, making it susceptible to flooding from heavy rainfall and riverine overflow. Climate change is expected to increase the intensity of rainfall events, exacerbating flood risk.
Trend
increasing
Suburb
Como, NSW
Overall Risk
Medium
Postcode
2226
Region
Greater Sydney
Median property value
$1.6 million
Dominant hazard
extreme heat (5/10)
Highest high-risk exposure
7.5% of land (surface flood)

Flood Risk Analysis

Como, 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.

Como is located within a designated flood zone due to its proximity to the Georges River. Historical flood events have impacted properties in the area.

Como is located near the Georges River, making it susceptible to flooding from heavy rainfall and riverine overflow. Climate change is expected to increase the intensity of rainfall events, exacerbating flood risk.

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.

Como sits within ClimateNest's suburb-level hazard model for flood risk. 6.6% of the suburb's land area is mapped in high-risk flood zones and 82.3% 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 Como.

On ClimateNest's 0–10 suburb hazard index, Como scores 3 for flood risk — a lower exposure relative to the Australian suburb range. For comparison, properties in Como can still sit well above or below this suburb average depending on elevation, distance to waterways or vegetation, and local drainage.

Como located in Greater Sydney (postcode 2226), is a New South Wales suburb tracked by ClimateNest. The suburb's median property value is $1.6 million, and understanding climate exposure is becoming a standard part of due diligence for buyers, lenders and insurers pricing property in Como.

Across the six hazard axes ClimateNest models, the dominant climate risk in Como is extreme heat (score 5/10), with moderate exposure. Insurance signals for the suburb point to premiums rising moderately (+20% 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 Como, 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 Como are increasingly made with an address-level climate report in hand.

Local Hazard Evidence

Nearest WaterwayGeorges River
Elevation Range5-20 meters
Flood Zone ClassificationYes

Historical Events

2022
Moderate

Heavy rainfall caused flooding in low-lying areas of Como, impacting homes and businesses.

Adaptation & Mitigation Actions

Improve Flood Protection Infrastructure

Near-term

Invest in levees, drainage systems, and other infrastructure to reduce the risk of flooding in low-lying areas.

Est. cost: High

Develop Heatwave Management Plans

Immediate

Implement heatwave early warning systems and establish cooling centers to protect vulnerable populations during extreme heat events.

Est. cost: Medium

Strengthen Coastal Defenses

Long-term

Construct seawalls and other coastal defenses to protect properties from sea level rise and storm surges.

Est. cost: High

Reduce Bushfire Risk

Near-term

Implement bushfire mitigation measures, such as controlled burns and vegetation management, to reduce the risk of bushfires.

Est. cost: Medium

Promote Water Conservation

Near-term

Encourage residents to conserve water through education and incentives to reduce strain on water resources during droughts.

Est. cost: Low

Council & Emergency Services

Sutherland Shire Council
Emergency Services

Data last updated: 26 May 2026

Explore Como Risk Reports

Frequently Asked Questions

Is Como at risk of flooding?

Based on available data, Como 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 Como?

Insurance costs for flood cover in Como 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 Como?

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

Elevation is a critical factor in flood risk. Properties at higher elevations within Como 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 Como?

ClimateNest's suburb model rates Como's dominant climate risk as extreme heat at 5/10 on a 0–10 index, followed by damaging wind (4/10) and severe storm (4/10). These are suburb-level averages — an address-level report is needed to confirm the risk of a specific property in Como.

What share of Como is exposed to high surface flood risk?

ClimateNest's hazard overlay maps 7.5% of Como in high-risk zones for surface flood, with a further 86.5% 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 Como Safe from Climate Risk?

Enter your address below for an instant climate risk assessment for Como, New South Wales, 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