O'Sullivan Beach Suburb Profile, SA, 5166 (Pricing & Investment Data)

O'sullivan Beach Suburb Profile
South Australia 5166

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O'Sullivan Beach has 1,022 properties. Over the last 5 years, Houses in O'Sullivan Beach have seen a 123.93% increase in median value, while Units have seen a 114.39% increase. As at 31 October 2025:

  • The median value for Houses in O'Sullivan Beach is $785,335 while the median value for Units is $539,368.
  • Houses have a median rent of $550 while Units have a median rent of $280.
There are currently 7 properties listed for sale, and 3 properties listed for rent in O'sullivan beach on OnTheHouse. According to Cotality's data, 53 properties were sold in the past 12 months in O'sullivan beach.

The size of O'Sullivan Beach is approximately 1.9 square kilometres. It has 7 parks covering nearly 12.1% of total area. The population of O'Sullivan Beach in 2016 was 1879 people. By 2021 the population was 1844 showing a population decline of 1.9% in the area during that time. The predominant age group in O'Sullivan Beach is 60-69 years. Households in O'Sullivan Beach are primarily childless couples and are likely to be repaying $1000 - $1399 per month on mortgage repayments. In general, people in O'Sullivan Beach work in a trades occupation.In 2021, 68.40% of the homes in O'Sullivan Beach were owner-occupied compared with 66.90% in 2016.

Suburb Insights for O'SULLIVAN BEACH 5166

Market Insights
O'sullivan Beach Trends for Houses
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Median Value: The middle value of all properties across the geography based on the Automated Valuation Model.
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O'sullivan Beach Trends for Units
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Median Value: The middle value of all properties across the geography based on the Automated Valuation Model.
Median Value over 1 year
Neighbourhood Insights
Age

Population 1844

0-9

 

9%

10-19

 

10%

20-29

 

11%

30-39

 

13%

40-49

 

11%

50-59

 

13%

60-69

 

13%

70-79

 

13%

80-89

 

4%

Household Structure
Occupancy

Recent Sales in O'SULLIVAN BEACH 5166

Properties for sale in O'SULLIVAN BEACH 5166

Properties for rent in O'SULLIVAN BEACH 5166

Cotality Copyright and Legal Disclaimers about Property Data

© Copyright 2025. RP Data Pty Ltd trading as Cotality (Cotality). All rights reserved. No reproduction, distribution, or transmission of the copyrighted materials is permitted. The information is deemed reliable but not guaranteed.

Last Updated: 05/12/2025

Disclaimer
The Cotality Data provided in this publication is of a general nature and should not be construed as specific advice or relied upon in lieu of appropriate professional advice.

While Cotality uses commercially reasonable efforts to ensure the Cotality Data is current, Cotality does not warrant the accuracy, currency or completeness of the Cotality Data and to the full extent permitted by law excludes all loss or damage howsoever arising (including through negligence) in connection with the Cotality Data.

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