📮 Semaphore postcode: 5019

Crime & Safety in Semaphore, SA: 2026 Guide

Semaphore, South Australia· City of Port Adelaide Enfield· 5019
Semaphore has moderate crime levels — typical for its regionUpdated 22 Mar 2026

Is Semaphore Safe from Climate Risk?

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

Free instant previewCSIRO-powered data

What A$49 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$49 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections

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Safety Score

5.0

Semaphore has moderate crime levels — typical for its region

Key Facts

Safety Rating
Semaphore has a medium safety profile
Property Crime Context
Property crime is monitored by state police — check local data for trends
Suburb
Semaphore, SA
Home Buyer Consideration
Safety data helps inform your property decision
Postcode
5019

Crime & Safety Analysis

Semaphore in South Australia provides a medium crime and safety profile for home buyers and residents. Understanding local crime patterns — including property crime, theft from vehicles, and malicious damage — is an important part of property due diligence in any Australian suburb.

Crime rates in Semaphore reflect broader patterns across South Australia. Property crime including burglary and theft is the most common offence type in Australian suburbs. The Australian Bureau of Statistics (ABS) reports that property crime rates have declined nationally over the past decade, though trends vary by state and region.

For home buyers considering Semaphore, safety considerations extend beyond crime statistics. Factors such as street lighting, neighbourhood watch programs, property fencing and security, and proximity to police stations all contribute to the lived experience of safety. Local council websites often publish community safety initiatives and crime prevention information specific to Semaphore.

Beyond crime and safety, climate risk is an increasingly important factor for property buyers in Semaphore. Check your specific property's climate risk profile including flood, bushfire, and extreme heat exposure using ClimateNest's address-level analysis tool.

ClimateNest assesses hazards at the address rather than the suburb, because exposure varies street by street within Semaphore. An address-level check is what tells you about a specific property before you buy, sell or insure it.

Adaptation & Mitigation Actions

Upgrade Drainage Infrastructure

Near-term

Improve drainage systems to reduce the risk of flash flooding during heavy rainfall events.

Est. cost: Medium

Protect Coastal Ecosystems

Near-term

Restore and protect coastal dunes and vegetation to provide natural buffers against sea level rise and storm surges.

Est. cost: Medium

Implement Heatwave Early Warning System

Immediate

Develop a heatwave early warning system to alert vulnerable residents and provide guidance on how to stay safe during extreme heat events.

Est. cost: Low

Promote Energy Efficiency

Long-term

Encourage residents and businesses to adopt energy-efficient practices to reduce greenhouse gas emissions and mitigate climate change.

Est. cost: Low

Raise Awareness of Climate Risks

Immediate

Educate residents about the risks of climate change and provide information on how to prepare for and respond to climate-related hazards.

Est. cost: Low

Council & Emergency Services

City of Port Adelaide Enfield
Emergency Services

Data last updated: 22 March 2026

Explore Semaphore Risk Reports

Frequently Asked Questions

Is Semaphore a safe suburb to live in?

Semaphore in South Australia has a medium overall safety profile. Crime rates vary within suburbs — specific streets or areas may have different safety characteristics. Local police crime mapping tools and neighbourhood reports provide street-level insight. Consider visiting Semaphore at different times of day and talking to local residents for a complete picture.

What is the crime rate in Semaphore?

Crime rates for Semaphore should be sourced from the official crime statistics agency for South Australia — SA Police. These agencies publish annual crime data at suburb and LGA level covering offences including burglary, theft, assault, and malicious damage.

How does Semaphore compare to other suburbs in South Australia for safety?

Semaphore sits within the broader safety context of South Australia. Each suburb has unique characteristics that influence crime patterns — population density, proximity to transport hubs, commercial areas, and socioeconomic factors all play a role. The official South Australia crime statistics agency provides suburb-level data for direct comparison.

What property crime should I be aware of in Semaphore?

Property crime — including burglary, theft from motor vehicles, and malicious damage — is the most common offence type across Australian suburbs, including Semaphore. Property-specific prevention measures such as security screens, sensor lighting, and video doorbells can significantly reduce risk. Check your specific property's climate and crime risk profile with ClimateNest.

Is Semaphore Safe from Climate Risk?

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

Free instant previewCSIRO-powered data

What A$49 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$49 · Australian addresses only · 8 hazard scores · Insurance trajectory · 2030 & 2050 projections