SA · Onkaparinga Council
O'Sullivan Beach, 5166
Current weather
12.9°CLight drizzle
64% humidity · 32.7 km/h wind · 14.1° / 10.9° today · 17.1 mm rain
Desirability score
Suburb snapshot
O'Sullivan Beach is a small locality in the Onkaparinga area, home to around 1,844 residents (2021 Census). Available data shows 110 offences in 2024–25 (Jul–Jun) with rising year-on-year trends (+16%), roughly 59.7 offences per 1,000 residents, median weekly rent around $525 (flats $450, houses $575), median house prices near $780,000 (up 10% recently), 2 school and preschool sites in the area, strong public transport coverage with many Adelaide Metro stops, a reasonable spread of amenities, and notable planning and development activity on record. See the sections below for population, safety, schools and local activity.
Population
- Population
- 1,844
- Median age
- 44
- Median household income / week
- $1,072
- Dwelling vacancy
- 9.7%
- Unoccupied private dwellings
- 88 of 906
- Median monthly mortgage
- $1,200
- Employment rate
- 47.4%
- Dwelling mix (houses / semi / flats)
- 53 / 53 / 0
Contributes to desirability score · Community (5%)
Employment, household income and age diversity (2021 Census)
Data sources & freshness
- 2021 Census — General Community Profile — Australian Bureau of Statistics · Period: 2021 · Updated on site · 2021 Census release
The 2026 Census runs in August 2026; suburb-level updates are expected from mid-2027.
Housing
- Flats / units (01/01/26 to 31/03/26)
- $450
- Houses (01/01/26 to 31/03/26)
- $575
- All types (01/01/26 to 31/03/26)
- $525
- Rental bonds lodged (01/01/26 to 31/03/26)
- 15
- Median house price (Q1 2026)
- $780,000
- Median price change
- +9.7%
Median weekly rent from SA Housing Authority rental bond data. Figures can be unreliable where few bonds were lodged in the quarter.
Contributes to desirability score · Housing (15%) · Future Growth (7%)
Median price, rental yield and vacancy Recent price momentum
Data sources & freshness
- SA Housing Authority rent & sales reports — Government of South Australia · Period: 1 January - 31 March 2026; 1Q 2026 · Updated on site · Quarterly releases
Crime & safety
- Total offences (2024–25)
- 110
- Against the person
- 47
- Against property
- 63
- Rate per 1,000 residents
- 59.7
- Person-crime prevalence
- About 1 in 39 residents
- State safety percentile
- 71.1th (lower crime is better)
- Family & domestic abuse offences
- 35
- Increase (daily rate)
- +16.1%
Reported offences increased compared with the previous period.
Reported offences by period
Most common offence types
- Common Assault10
- Other Property Damage And Environmental30
- Other Theft18
- Serious Assault Not Resulting In Injury30
- Theft From Motor Vehicle3
Contributes to desirability score · Safety (18%)
Crime rate and year-on-year trend
Data sources & freshness
- SAPOL reported crime statistics — South Australia Police — OpenData · Period: 2023-24 → 2024-25; 2024-25 · Updated on site · Financial-year releases
Schools & preschools
- Schools & preschools
- 2 (1 schools, 1 preschools)
- Median school ICSEA (2 schools)
- 1,010.5
- O'Sullivan Beach Children's Centre51A Galloway RoadIntegrated Centres
- O'Sullivan Beach Primary SchoolPrimary · ICSEA 926
- Southern Montessori SchoolCombined · ICSEA 1095
Contributes to desirability score · Education (15%)
School and preschool counts, median school ICSEA
Data sources & freshness
- Government education sites register — Government of South Australia · Period: current · Updated on site · Static register
- School ICSEA (ACARA) — Australian Curriculum, Assessment and Reporting Authority · Period: 2025 · Updated on site · Annual ACARA release
Public transport
16 public transport stops in this suburb
- Stop 60 Baden Tce - North side
- Stop 61 Galloway Rd - West side
- Stop 62 Galloway Rd - South West side
- Stop 63 Galloway Rd - South West side
- Stop 64 Galloway Rd - South West side
Contributes to desirability score · Accessibility (15%)
Public transport stop coverage
Data sources & freshness
- Adelaide Metro GTFS stops — Department for Infrastructure and Transport (SA) · Period: current · Updated on site · GTFS static feed
Planning & development
Development applications from PlanSA register (lodged 2020–2026) and EPA licensed activities.
209 planning-related records
2026· 40 proposals
June 2026
- Single Storey detached dwellingLOT 64 GUMERACHA RD O'SULLIVAN BEACH SA 5166Under Assessment
- Land division to create an additional allotment (1 into 2)86 GALLOWAY RD O'SULLIVAN BEACH SA 5166Under Assessment
- Deck and Verandah48 SULLIVAN TCE O'SULLIVAN BEACH SA 5166Decision Made
- Freestanding 2 level lift to be positioned on the northern side of dwelling3 HILL ST O'SULLIVAN BEACH SA 5166Under Assessment
- Double storey detached dwelling with associated swimming pool and fence for new dwelling and carport attached to the existing dwelling,25 GUMERACHA RD O'SULLIVAN BEACH SA 5166Under Assessment
May 2026
- Masonry fence of height 1.5m24 BADEN TCE O'SULLIVAN BEACH SA 5166Under Assessment
- Two single storey detached dwelling20 YANGARA RD O'SULLIVAN BEACH SA 5166Under Assessment
- Torrens title land division - 3 allotments from 1 in association with 260015342 YANGARA RD O'SULLIVAN BEACH SA 5166Under Assessment
- Two (2) X Two-Storey Detached Dwellings, retaining wall and associated fencing. Tree damaging activity9 MOORONG RD O'SULLIVAN BEACH SA 5166Under Assessment
- Torrens title land division – 2 allotments from 1 and carport5 PEARCE ST O'SULLIVAN BEACH SA 5166Under Assessment
- Double storey building alteration and dwelling addition1 SUNSET CT O'SULLIVAN BEACH SA 5166Under Assessment
- Advertisement (retrospective)LOT 56 MARINE DR O'SULLIVAN BEACH SA 5166Under Assessment
- Verandah30 MOORONG RD O'SULLIVAN BEACH SA 5166Decision Made
- single storey detached dwellingLOT 34 GUMERACHA RD O'SULLIVAN BEACH SA 5166Under Assessment
- Double-storey dwelling with associated retaining walls, fence and carport31A BADEN TCE O'SULLIVAN BEACH SA 5166Under Assessment
- Attached Verandah7 TINGIRA DR O'SULLIVAN BEACH SA 5166Decision Made
- Single storey detached dwelling, fences and retaining wallLOT 102 SULLIVAN TCE O'SULLIVAN BEACH SA 5166Under Assessment
April 2026
- Single storey detached dwelling and associated retaining wall and fence of height 2.6m54A GALLOWAY RD O'SULLIVAN BEACH SA 5166Under Assessment
- Carport85 BADEN TCE O'SULLIVAN BEACH SA 5166Decision Made
- Single storey detached dwellingLOT 8 BADEN TCE O'SULLIVAN BEACH SA 5166Decision Made
- Single storey detached dwellingLOT 32 GUMERACHA RD O'SULLIVAN BEACH SA 5166Under Assessment
- Variation to DA (1077/2008)- Change in driveway material and stormwater management plan25A BADEN TCE O'SULLIVAN BEACH SA 5166Under Assessment
- Torrens title land Division- 1 allotment into 29 MOORONG RD O'SULLIVAN BEACH SA 5166Decision Made
- Double storey detached dwellingLOT 66 GUMERACHA RD O'SULLIVAN BEACH SA 5166Decision Made
- Single Storey Detached DwellingLOT 33 GUMERACHA RD O'SULLIVAN BEACH SA 5166Under Assessment
- Single story detached dwelling and retaining wall up to maximum height of 0.8mLOT 2 BADEN TCE O'SULLIVAN BEACH SA 5166Under Assessment
March 2026
- Single storey detached dwellingLOT 53 GUMERACHA RD O'SULLIVAN BEACH SA 5166Decision Made
- Single storey detached dwellingLOT 4 BADEN TCE O'SULLIVAN BEACH SA 5166Under Assessment
- single storey detached dwellingLOT 1 BADEN TCE O'SULLIVAN BEACH SA 5166Decision Made
- Carport and Verandah with associated decking30 PEARCE ST O'SULLIVAN BEACH SA 5166Decision Made
- Single storey detached dwellingLOT 9 GUMERACHA RD O'SULLIVAN BEACH SA 5166Decision Made
- Single story detached dwellingLOT 59 GUMERACHA RD O'SULLIVAN BEACH SA 5166Decision Made
- single storey detached dwelling.LOT 60 GUMERACHA RD O'SULLIVAN BEACH SA 5166Decision Made
- Single storey detached dwelling.LOT 5 BADEN TCE O'SULLIVAN BEACH SA 5166Decision Made
- Three (3) x single storey dwellings with carports, retaining walls and fences.4 YANGARA RD O'SULLIVAN BEACH SA 5166Under Assessment
- Single story detached dwellingLOT 54 GUMERACHA RD O'SULLIVAN BEACH SA 5166Decision Made
- Double storey detached dwelling.LOT 12 GUMERACHA RD O'SULLIVAN BEACH SA 5166Under Assessment
- Torrens title land division - 2 allotments from 118 WAKELIN TCE O'SULLIVAN BEACH SA 5166Decision Made
- Single storey detached dwellingLOT 61 GUMERACHA RD O'SULLIVAN BEACH SA 5166Under Assessment
- Single story detached dwellingLOT 65 GUMERACHA RD O'SULLIVAN BEACH SA 5166Decision Made
Contributes to desirability score · Future Growth (7%)
Development and planning activity
Data sources & freshness
- PlanSA development applications & EPA licences — Government of South Australia — PlanSA · Period: 2020–2026 · Updated on site
Amenities
33 nearby amenities within ~1.5 km
- Sip'n SaveAlcohol
- Bench (3)
- Stop 57 Morrow Road - West sideBus stop
- Stop 58 Baden Terrace - North sideBus stop
- Stop 58 Baden Terrace - South sideBus stop
- Stop 59 Baden Terrace - North sideBus stop
- Stop 59 Baden Terrace - South sideBus stop
- Stop 60 Baden Terrace - North sideBus stop
- Stop 60 Baden Terrace - South sideBus stop
- Stop 61 Galloway Road - East sideBus stop
Names and addresses from OpenStreetMap. Unnamed venues show as their type (e.g. Cafe).
Contributes to desirability score · Lifestyle (15%)
Food, shopping, recreation and sport (OpenStreetMap)
Data sources & freshness
- OpenStreetMap amenities — OpenStreetMap contributors · Period: current · Updated on site · Weekly refresh
Socio-economic (SEIFA)
- IRSAD decile (2021)
- 1/10
- IRSD decile (2021)
- 1/10
SEIFA indexes from ABS 2021. Decile 10 = most advantaged / least disadvantaged in Australia.
Contributes to desirability score · Community (5%)
Socio-economic advantage (IRSAD decile)
Data sources & freshness
- SEIFA 2021 (IRSAD / IRSD) — Australian Bureau of Statistics · Period: 2021 · Updated on site · 2021 SEIFA release
Heritage
1 state heritage place
- Heritage placeState heritage
Data sources & freshness
- SA Heritage Places database — Department for Environment and Water (SA) · Period: current · Updated on site
Hazards
- Bushfire planning zone
- Overlay applies
- Bushfire safer places
- 1
Bushfire overlay checked at suburb centroid against all current SA Planning risk layers (high, medium, general, urban interface, regional, outback). Safer places from CFS designated locations.
Contributes to desirability score · Safety (18%)
Bushfire hazard overlays
Data sources & freshness
- Bushfire & hazard overlays (SA) — Government of South Australia · Period: current · Updated on site
Green cover
- Parks & woodland (OSM)
- 11
- Parks (OSM)
- 11
OpenStreetMap parks and natural woodland features mapped within the suburb boundary.
Contributes to desirability score · Environment (10%)
Parks and green cover (OpenStreetMap)
Data sources & freshness
- OpenStreetMap green cover features — OpenStreetMap contributors · Period: current · Updated on site · Weekly refresh
Desirability index
- Desirability score
- 49.4/100
- National rank
- 1805th in Australia
- State rank
- 143rd in SA
- Peer rank
- #5 among Coastal & beach · Emerging suburbs
- Cohort rank
- #20 among Coastal & beach suburbs
- Data confidence
- 96%
Data sources & freshness
- Suburb Guide desirability index — Suburb Guide (derived score) · Period: current · Updated on site · Derived from source metrics
Recent changes
- Common Assaultcrime10
- Other Property Damage And Environmentalcrime30
- Other Theftcrime18
- Serious Assault Not Resulting In Injurycrime30
- Theft From Motor Vehiclecrime3
- Heritage placeheritageState heritage
- Advertisement (retrospective)planningLOT 56 MARINE DR O'SULLIVAN BEACH SA 5166Lodged 18 May 2026 · Under Assessment
- Attached Verandahplanning7 TINGIRA DR O'SULLIVAN BEACH SA 5166Lodged 05 May 2026 · Decision Made
- Carportplanning85 BADEN TCE O'SULLIVAN BEACH SA 5166Lodged 22 Apr 2026 · Decision Made
- Carport and Verandah with associated deckingplanning30 PEARCE ST O'SULLIVAN BEACH SA 5166Lodged 19 Mar 2026 · Decision Made
Data sources & freshness
- SA Heritage Places database — Department for Environment and Water (SA) · Updated on site
- PlanSA development applications & EPA licences — Government of South Australia — PlanSA · Updated on site
- SAPOL reported crime statistics — South Australia Police — OpenData · Updated on site · Financial-year releases
Similar suburbs
Suburbs with a similar population, SEIFA decile and location.