St Marys NSW Property Investment
North Sydney · 2760 · Score: 65/100 · Buy
St Marys NSW Investment Brief
BUY — 2.7% gross yield on a $1,118,121 (single source — OnTheHouse only, no peer to validate) median.
THE MARKET
St Marys has compounded at 5.8%/yr over 5 years. Median sits in the $1,118,121 (single source — OnTheHouse only, no peer to validate) band today. Properties are sitting on market for 42 days (roughly balanced conditions).
- Median house: $1,118,121 (single source — OnTheHouse only, no peer to validate) | Units: $735,126
- Gross yield: 2.7% | Net yield: 1.2%
- 5yr price CAGR: 5.8%/yr | 3yr forecast: 13.5%/yr
- Population: 13,256 | Owner-occupier rate: 54% | Affluence: Below Average
- Supply pipeline: Low — Price growth outpacing new supply, limited development pipeline
RENTAL SNAPSHOT
- Vacancy: 2.1% (improving) | Rental demand: High
- Median weekly rent: $580/wk | Days on market: 42 (stable)
- Balanced market — vacancy manageable but monitor trend.
SHORT-TERM RENTAL
Insufficient STR data for this suburb. Run a specific address analysis for property-level STR projections.
INFRASTRUCTURE & CATALYSTS
- Western Sydney International (Nancy-Bird Walton) Airport (Under Construction)
- Sydney Metro - Western Sydney Airport Line (Under Construction)
- Sydney Metro West (Under Construction)
- New Intercity Fleet (NSW Trains) (Under Delivery)
- Transport: Standard suburban transport access
BULL CASE
If St Marys maintains 3%+ annual growth and vacancy stays below 1.5%, median prices could reach $1,285,839 within 3 years with yields compressing slightly as capital values rise.
BEAR CASE
A market correction or interest rate shock could see prices in St Marys pull back 10-15% from $1,118,121, with vacancy rising to 3.8% and rental yields softening as tenants gain leverage.
KEY RISKS
- No significant risk factors identified for this suburb
COMPARABLE MARKETS
- Berkeley (NSW): $811,801 median, 4.2% yield, 1.3% 1yr growth
- Tregear (NSW): $900,063 median, 3.0% yield, 11.4% 1yr growth
- Lake Illawarra (NSW): $978,191 median, 3.5% yield, 10.6% 1yr growth
THE PLAY
St Marys presents a compelling investment opportunity. The combination of solid fundamentals and high rental demand supports entry at current price levels. Proceed with due diligence on specific properties. Target gross yields above 2.7% and prioritise properties with value-add potential. Consider timing entry around the current recovery phase of the market cycle.
- Entry range: $1,006,309 – $1,229,933
- Minimum gross yield to target: 4.5%
- Watch signal: vacancy dropping below 2% and days on market falling below 35
This analysis is for informational purposes only and does not constitute financial, legal, or investment advice. Seek professional advice before making investment decisions.
Gentrification Index
Growth Forecast
high confidenceBasis: 5yr CAGR 5.8% + 10yr CAGR 8.5%
- +Above-average population growth (2.1%/yr)
- +Low rental vacancy (2.1%) — constrained supply
- −High supply pipeline (895 new approvals) — may cap price growth
Suburb Metric Thresholds
Macro Environment
Macro Indicators
Cash Rate
4.35%
▲ 0.25%Cash rate as at 2026-05-06 · Credit data 2026-05
Suburb Supply & Demand
Suburb Supply Pipeline — New Dwelling Approvals
164
2020
91
2021
92
2022
264
2023
284
2025
New dwelling approvals — higher numbers mean more future supply
Socio-Economic Profile
Source: ABS Census 2021SEIFA Index · Postcode 2760
Decile 2 of 10 — High disadvantage
Population
37,632
Education (IEO)
3/10
Econ. Resources (IER)
2/10
10-Year Investment Projection
Modelled on St Marys NSW data — rent, capital growth, tax, and depreciation over 10 years.
Pre-filled: $580/wk median rent for St Marys. Capital growth and rent increase are editable assumptions.
Schools
In your catchment
These are the government-school zones containing this suburb centroid. Specific addresses within the suburb may fall in different catchments — confirm with the school directly.
Nearby Suburbs
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Analyse a Property →Data sourced from ABS, state government property sales, and Airbnb market analytics. For informational purposes only — not financial advice.