True Cost of Buying in St Marys
2760 NSW · 50km to CBD
A decision, not just a search · St Marys
Does the lower estimated monthly cost make a property the better buy?
Only under the assumptions entered—and cost is not the whole decision. This model compares scenarios, not lender approval, building condition or personal suitability. Replace defaults with current quotes and documents, then test whether the cost remains manageable when circumstances change.
Questions that could change the answer
- Which costs are current supplied figures, and which are model defaults?
- What happens to your buffer if interest, repairs or vacancy costs rise?
- What finance, contract or inspection condition remains unresolved before an offer?
Evidence to obtain—not yet verified here
- Current lender terms and approval conditions, not only a borrowing estimate.
- Dated levy notices, rates, insurance quotes and maintenance information.
- Contract advice, inspection findings and comparable sales evidence.
Other options: Lower the price limit, compare another property or wait for critical checks. A favourable model result is not a recommendation to make an unconditional offer.
Next action: Re-run the existing calculator with documented inputs, then agree your conditions and walk-away point with the relevant professionals.
When to revisit: Revisit when any input, approval condition, price or property finding changes.
General decision guidance—not a property assessment, personal recommendation or verified client result. Dates on surrounding market content apply to that content, not to checks on your property.
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Market Intelligence
St Marys is an affordable, multicultural suburb in Western Sydney, approximately 50km from the CBD. Known for its diverse community with significant Pacific Islander, Middle Eastern, and Asian populations, it offers excellent transport connectivity via the T1 Western Line and Great Western Highway. The suburb features predominantly detached housing with some townhouses and units, making it popular with first home buyers and investors seeking competitive rental yields. St Marys benefits from established infrastructure including St Marys Senior High School, local primary schools, the St Marys Rugby League Club as a community hub, and growing amenities along Queen Street. With planned infrastructure improvements as part of the Western Sydney growth corridor and proximity to the future Western Sydney Airport, the suburb presents strong growth potential while maintaining its family-friendly character and affordability compared to Greater Sydney.
Market Snapshot
Median House
$720K
+4.2% 1yr
Median Apartment
$485K
+3.8% 1yr
Median Townhouse
$620K
Vacancy Rate
2.1%
42 avg DOM
Yield (Apartment)
5.1%
Yield (House)
4.2%
Auction Clearance
68%
Population
11,500
True Cost Breakdown
Based on median prices · 20% deposit · 6.5% interest · 30-year term · Owner-occupier
Apartment
Purchase Price
$485,000
Stamp Duty
$16,355
1st Year Total
$41,924
House
Purchase Price
$720,000
Stamp Duty
$26,930
1st Year Total
$52,392
Townhouse
Purchase Price
$620,000
Stamp Duty
$22,430
1st Year Total
$47,720
Run Your Own Numbers
These are median figures. Plug in the actual property you're looking at to see your real all-in cost — including first-home concessions, investment deductions, or different deposit amounts.
Community Profile
Median Income
$52,000
Median Age
32
Family Households
58%
Owner-Occupied
62%
Walkability
65/100
Public Transport
8/10
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