Check another suburbYour suburb, scored · Data as of Oct 2026
Semaphore, SA
R-Score 88 / 100 — ranked #1,979 of 15,286 suburbs this month
Market conditions here are running warmer than most
Most of the demand and supply indicators we track are sitting above the national midpoint this month.
Scores describe measured market conditions — not personal advice, and not a forecast.
Suburb averages hide a lot. Check how your street compares with the rest of Semaphore →
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Best Streets in Semaphore, SA
Compare every street in Semaphore (SA) on the Street Score →
Other High-Scoring Suburbs in Port Adelaide Enfield (SA)
| Indicator | Semaphore Reading | Context & Benchmark |
|---|---|---|
| Ripehouse R-Score | 88 / 100 | Ranked #1,979 of 15,286 Australian suburbs (Oct 2026) |
| Median House Price | $1,250,000 | +13.6% over the past 12 months of settled sales |
| Median Weekly Asking Rent | $700/wk | Implies a 2.9% gross rental yield at the current median price |
| Rental Vacancy Rate | 1.6% | Above the 1.5% tight-supply threshold |
| Median Days on Market | 61 days | Part of Port Adelaide Enfield (SA) council area (LGA avg R-Score 74/100) |
Buyer's Agent & Quantitative Due Diligence
Considering buying an investment property in Semaphore, SA?
Since 2011, Ripehouse Advisory has helped Australian investors screen 15,000 suburbs and 518,000+ streets to avoid high-public-housing blocks, flood/overlay traps, and underperforming pockets. Speak with our team before you make an offer.
Semaphore SA FAQs
Frequently Asked Questions: Investing in Semaphore, SA
Is Semaphore SA a good suburb for property investment in 2026?
As of Oct 2026, Semaphore (SA 5019) scores 88/100 on the Ripehouse R-Score, ranking #1,979 out of 15,286 Australian suburbs. Market conditions here are running warmer than most. Key fundamentals include a median price of $1,250,000, median rent of $700/wk, gross yield of 2.9%, and vacancy of 1.6%.
What is the median house price and 12-month growth in Semaphore SA?
The current median property price in Semaphore (SA) is $1,250,000 (Oct 2026), representing a +13.6% change over the past 12 months. Properties in Semaphore currently spend a median of 61 days on market.
What is the rental yield and vacancy rate in Semaphore SA?
In Semaphore (SA), the median weekly asking rent is $700/wk, producing a gross rental yield of 2.9%. The suburb vacancy rate is 1.6% as of Oct 2026.
What are the best streets in Semaphore SA?
Ripehouse Advisory scores every G-NAF street in Semaphore against the suburb average for owner-occupancy, public housing, rent, and yield. Use the Semaphore Street Score tool on this page to compare individual streets.
Which council area (LGA) is Semaphore SA located in?
Semaphore (SA, postcode 5019) is located in the Port Adelaide Enfield council area (LGA) within Greater Adelaide. Across Port Adelaide Enfield, the council-wide average R-Score is 74/100 across 47 suburbs.
R-Score and all figures are drawn from Ripehouse's research engine — 15,000 suburbs measured across 27 indicators, refreshed monthly (data as of Oct 2026). Scores describe past and current measured market conditions only. Past performance is not a reliable indicator of future performance. Nothing on this page is personal financial advice.