St Marys NSW Property Investment

North Sydney · 2760 · Score: 64/100 · Hold

Median House Price
$1.15M
Rental Yield
2.6%
Vacancy Rate
2.1%
Median Weekly Rent
$570/wk
Median Unit Price
$748K
Population
13,256
Days on Market
42 days
Annual Growth
28.6%
AI Investment Analysis

St Marys NSW Investment Brief

HOLD2.6% gross yield on a $1,148,861 (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 $1,148,861 (single source — OnTheHouse only, no peer to validate) band today. Properties are sitting on market for 42 days (roughly balanced conditions).

  • Median house: $1,148,861 (single source — OnTheHouse only, no peer to validate) | Units: $748,145
  • Gross yield: 2.6% | Net yield: 1.1%
  • 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: $570/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 $1,321,190 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 $1,148,861, 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

  • Lake Illawarra (NSW): $982,570 median, 3.4% yield, 10.6% 1yr growth
  • Blackett (NSW): $920,447 median, 2.9% yield, 9.7% 1yr growth
  • Macquarie Fields (NSW): $1,027,033 median, 3.1% yield, 7.6% 1yr growth

THE PLAY

St Marys offers balanced fundamentals but does not present an urgent buying signal. The market is in a recovery phase with moderate vacancy risk. Monitor vacancy trends and price movements over the next 6-12 months. Only enter if a property can be acquired at or below median pricing with yields exceeding 4.0%.

  • Entry range: $1,033,975$1,263,747
  • 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

Early gentrification signals5.0/10
Low socioeconomic base — classic gentrification precondition
Moderate capital growth (4.7% CAGR)
Mixed tenure (43% renters) — transitional suburb profile
Active development pipeline (895 approvals) — supply attracting new residents
Strong public transport infrastructure — supports walkable gentrification

Growth Forecast

high confidence
1yr Forecast
5.4%
p.a.
2yr Forecast
4.9%
p.a.
5yr Forecast
4.3%
p.a.

Basis: 5yr CAGR 4.7% + 10yr CAGR 7.0%

Growth drivers
  • +Above-average population growth (2.1%/yr)
  • +Low rental vacancy (2.1%) — constrained supply
Headwinds
  • High supply pipeline (895 new approvals) — may cap price growth

Suburb Metric Thresholds

4 green7 yellow5 red
Rental Vacancy Rate
2.1 high impact
Days on Market
42 high impact
Weekly Rent (house)
570 medium impact
5yr Price CAGR
4.67 high impact
10yr Price CAGR
7 high impact
1yr Price Growth
28.6 medium impact
Population Growth
2.15 high impact
Median Household Income
1575 medium impact
Unemployment Rate
6.6 medium impact
Public Transport Score
7.9 medium impact
School Zone Quality
5.5 medium impact
Distance to CBD
41.74 medium impact
SEIFA Advantage/Disadvantage
1 medium impact
Owner Occupier Rate
53.9 medium impact
Gross Rental Yield (%)
2.58 high impact
Net Rental Yield (%)
1.08 high impact

Macro Environment

Macro Indicators

Cash Rate

4.35%

0.25%

Cash rate as at 2026-05-06 · Credit data 2026-04

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 2021

SEIFA Index · Postcode 2760

Most disadvantagedLeast disadvantaged

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: $570/wk median rent for St Marys. Capital growth and rent increase are editable assumptions.

Schools

In your catchment

St Marys SPS
PrimaryGovernment
5.1/10
St Marys Snr HS
SecondaryGovernment
7/10
Chifley Dunheved
SecondaryGovernment
3.5/10
Chifley SC
SecondaryGovernment
No data

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.

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Data sourced from ABS, state government property sales, and Airbnb market analytics. For informational purposes only — not financial advice.