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Mount Gambier (SA) property development snapshot

GoSiteHunt Research · South Australia · rents 1 January - 31 March 2026

$470/wk
Median rent · houses, all beds

Median rents by bedroom

Type1-bed2-bed3-bed4+ bedAll
House$250/wk (low sample)$410/wk (15 bonds)$450/wk (115 bonds)$550/wk (40 bonds)$470/wk (175 bonds)
Unit$278/wk (10 bonds)$310/wk (60 bonds)$410/wk (25 bonds)$450/wk (low sample)$310/wk (95 bonds)

Bond-lodgement medians from the SA Rental Bond Data — Private Rental Report, data.sa.gov.au (CC-BY, SA Housing Trust), 1 January - 31 March 2026. "Low sample" = the count is masked or small at source; treat those medians with care.

What the data suggests for developers.

No open sale-median series covers Mount Gambier at suburb level, so the honest read here is rent-side only: real bond-lodgement medians, but no price basis for a yield. Anchor end values from your own comparable-sales research before running a feasibility. Rental depth is genuine: 175 bonds behind the headline median means the rent figure is an observed market, not a handful of tenancies. All of the above is area-level screening, not advice: a specific parcel lives or dies on zoning, overlays, frontage, and the end value of what it can actually carry.

Check a specific address in Mount Gambier.

This page is suburb-level screening. For one property — zoning, what could be built, what a developer could pay — run a GoSiteHunt site check, screen it with the free Deal Killer Checklist, or see how many units fit on a block.

Related suburb snapshots: Mount Burr · Mount Osmond · Mount Bryan

State-wide ranking: Adelaide Opportunity Index · all covered areas: suburb data hub

Granularity & method.

Suburb-level data. Rents are quarterly bond-lodgement medians from the SA Private Rental Report; sale medians are the data.sa.gov.au metropolitan median house sales series (country suburbs may show rents only). Indicative gross yield = headline weekly bond median × 52 ÷ sale median — a screening ratio, not a valuation input.

Sources: SA Private Rental Report bond data, SA Housing Trust via data.sa.gov.au (CC-BY) · data.sa.gov.au Metropolitan Median House Sales (CC-BY 4.0) · Indicative screening data — not financial, investment, valuation or planning advice. Area medians can move sharply between periods, especially on thin samples. © Madison Jade Pty Ltd.