Check another suburbYour suburb, scored · Data as of Oct 2026
Osullivan Beach, SA
R-Score 56 / 100 — ranked #6,794 of 15,286 suburbs this month
A mixed market — some indicators warm, others cooling
Conditions here are neither running hot nor cold. The detail below shows which indicators are doing the work.
Scores describe measured market conditions — not personal advice, and not a forecast.
Suburb averages hide a lot. Check how your street compares with the rest of Osullivan Beach →
Is Osullivan Beach a buy right now? Get our verdict + the 5 best streets
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Best Streets in Osullivan Beach, SA
Compare every street in Osullivan Beach (SA) on the Street Score →
Other High-Scoring Suburbs in Onkaparinga (SA)
- Cherry GardensR-Score 98/100 · Streets →
- ClarendonR-Score 98/100 · Streets →
- Sellicks BeachR-Score 94/100 · Streets →
- Seaford HeightsR-Score 83/100 · Streets →
- KangarillaR-Score 81/100 · Streets →
- Whites ValleyR-Score 78/100 · Streets →
| Indicator | Osullivan Beach Reading | Context & Benchmark |
|---|---|---|
| Ripehouse R-Score | 56 / 100 | Ranked #6,794 of 15,286 Australian suburbs (Oct 2026) |
| Median House Price | $882,250 | +22% over the past 12 months of settled sales |
| Median Weekly Asking Rent | $580/wk | Implies a 3.4% gross rental yield at the current median price |
| Rental Vacancy Rate | 1% | Tight rental supply (below the 1.5% equilibrium threshold) |
| Median Days on Market | 92 days | Part of Onkaparinga (SA) council area (LGA avg R-Score 64/100) |
Buyer's Agent & Quantitative Due Diligence
Considering buying an investment property in Osullivan Beach, SA?
Since 2011, Ripehouse Advisory has helped Australian investors screen 15,000 suburbs and 518,000+ streets to avoid high-public-housing blocks, flood/overlay traps, and underperforming pockets. Speak with our team before you make an offer.
Osullivan Beach SA FAQs
Frequently Asked Questions: Investing in Osullivan Beach, SA
Is Osullivan Beach SA a good suburb for property investment in 2026?
As of Oct 2026, Osullivan Beach (SA 5166) scores 56/100 on the Ripehouse R-Score, ranking #6,794 out of 15,286 Australian suburbs. A mixed market — some indicators warm, others cooling. Key fundamentals include a median price of $882,250, median rent of $580/wk, gross yield of 3.4%, and vacancy of 1%.
What is the median house price and 12-month growth in Osullivan Beach SA?
The current median property price in Osullivan Beach (SA) is $882,250 (Oct 2026), representing a +22% change over the past 12 months. Properties in Osullivan Beach currently spend a median of 92 days on market.
What is the rental yield and vacancy rate in Osullivan Beach SA?
In Osullivan Beach (SA), the median weekly asking rent is $580/wk, producing a gross rental yield of 3.4%. The suburb vacancy rate is 1% as of Oct 2026.
What are the best streets in Osullivan Beach SA?
Ripehouse Advisory scores every G-NAF street in Osullivan Beach against the suburb average for owner-occupancy, public housing, rent, and yield. Use the Osullivan Beach Street Score tool on this page to compare individual streets.
Which council area (LGA) is Osullivan Beach SA located in?
Osullivan Beach (SA, postcode 5166) is located in the Onkaparinga council area (LGA) within Greater Adelaide. Across Onkaparinga, the council-wide average R-Score is 64/100 across 48 suburbs.
R-Score and all figures are drawn from Ripehouse's research engine — 15,000 suburbs measured across 27 indicators, refreshed monthly (data as of Oct 2026). Scores describe past and current measured market conditions only. Past performance is not a reliable indicator of future performance. Nothing on this page is personal financial advice.