Get the app

Harbour St, Mosman NSW 2088

Street

Street Summary

Harbour St, Mosman NSW 2088 sits below the suburb’s house median. The street is dominated by apartment living, with houses making up just 20.1% of the residential mix. Most homes sit level with the street, though a small number are slightly elevated or depressed. Two properties are heritage-listed, one sits in a flood overlay, and 47 homes have a flood check recommended. Notable developments include 46 Harbour St with 49 lots, 55 Harbour St with 43 lots, and 56 Harbour St with 15 lots.


PART 1
Street Profile

Property Type Mix

The mix of houses and apartments (units) that make up the Harbour St, Mosman NSW 2088 property market.

Houses vs Apartments239 total lots
20.1%
76.2%
3.7%
Houses (20.1%)
Apartments (76.2%)
Townhouses/Villas/Unclassified (3.7%)

PART 2
Houses

"Houses" in this report includes detached houses, duplexes, and terraces.

Land Topography

How house lots on Harbour St, Mosman NSW 2088 sit relative to street level — topography that affects drainage, flood risk, privacy, and build cost. Statistics are calculated from properties with available data.

High-side vs low-side house lots
FlatLow-side
41 lots
2 lots
High-side (1m above)
Flat
Low-side (1m below)

Risks &Overlays

See which key planning overlays and environmental risks affect this street before you buy.

Heritage
2 houses affected
Bushfire
0 houses affected
Flood
1 houses affected
High voltage power line
0 houses affected

Street Sales - Houses

Actual house sales on Harbour St, Mosman NSW 2088 over the past 5 years, plotted against the Mosman NSW 2088 median house price trend over the same period.

Street sales vs suburb median
Street SalesSuburb Median Price
$0$2.5M$5.0M$7.5M$10.0MSept 21May 23Jan 25Sept 26$4.8M · 2022$5.3M · 2023$5.9M · 2024$5.7M · 2025$5.2M · 2026$3.8M · 2024-05-16 · 11 HARBOUR ST, MOSMAN NSW 2088$5.4M · 2025-05-30 · 12 HARBOUR ST, MOSMAN NSW 2088$3.1M · 2023-12-01 · 19 HARBOUR ST, MOSMAN NSW 2088$8M · 2024-08-09 · 22 HARBOUR ST, MOSMAN NSW 2088$8.2M · 2024-11-16 · 24 HARBOUR ST, MOSMAN NSW 2088$7.7M · 2023-06-27 · 4A HARBOUR ST, MOSMAN NSW 2088$6M · 2023-06-02 · 5 HARBOUR ST, MOSMAN NSW 2088$2.6M · 2022-08-24 · 1/34 HARBOUR ST, MOSMAN NSW 2088$3.4M · 2025-09-20 · 1/34 HARBOUR ST, MOSMAN NSW 2088
Street price-14%vs suburb median
Turnover rate18.8%Past 5 years

PART 3
Apartments

Street Sales - Apartments

Actual apartment (unit) sales on Harbour St, Mosman NSW 2088 over the past 5 years, plotted against the Mosman NSW 2088 median apartment price trend over the same period.

Street sales vs suburb median
Street SalesSuburb Median Price
$0$1.3M$2.5M$3.8M$5.0MSept 21May 23Jan 25Sept 26$1.1M · 2022$1.2M · 2023$1.3M · 2024$1.3M · 2025$1.2M · 2026$1.3M · 2022-07-14 · 10/56 HARBOUR ST, MOSMAN NSW 2088$1.6M · 2025-05-09 · 10/56 HARBOUR ST, MOSMAN NSW 2088$1.1M · 2021-10-30 · 13/56 HARBOUR ST, MOSMAN NSW 2088$1.2M · 2026-02-20 · 13/56 HARBOUR ST, MOSMAN NSW 2088$2M · 2025-10-17 · 12/56 HARBOUR ST, MOSMAN NSW 2088$1.2M · 2024-06-28 · 15/56 HARBOUR ST, MOSMAN NSW 2088$1.4M · 2022-02-14 · 3/56 HARBOUR ST, MOSMAN NSW 2088$1.8M · 2026-05-01 · 314/46 HARBOUR ST, MOSMAN NSW 2088$2.5M · 2024-09-20 · 109/46 HARBOUR ST, MOSMAN NSW 2088$1.2M · 2024-10-23 · 34/46 HARBOUR ST, MOSMAN NSW 2088$1.2M · 2024-03-28 · 20/46 HARBOUR ST, MOSMAN NSW 2088$1.1M · 2025-03-08 · 39/46 HARBOUR ST, MOSMAN NSW 2088$1.5M · 2023-04-05 · 414/46 HARBOUR ST, MOSMAN NSW 2088$1.5M · 2023-11-16 · 412/46 HARBOUR ST, MOSMAN NSW 2088$1.7M · 2023-07-08 · 208/46 HARBOUR ST, MOSMAN NSW 2088$935k · 2022-02-21 · 401/46 HARBOUR ST, MOSMAN NSW 2088$986k · 2023-03-23 · 301/46 HARBOUR ST, MOSMAN NSW 2088$2M · 2025-06-20 · 403/46 HARBOUR ST, MOSMAN NSW 2088$2M · 2022-05-31 · 203/46 HARBOUR ST, MOSMAN NSW 2088
Apartment sales3Past 12 months
Turnover rate10.4%Past 5 years

Largest Apartment Projects

The largest apartment projects on Harbour St, Mosman NSW 2088, ranked by number of lots.

1
46 HARBOUR ST, MOSMAN NSW 2088Small-Medium project (20-50 lots)
2
55 HARBOUR ST, MOSMAN NSW 2088Small-Medium project (20-50 lots)
3
56 HARBOUR ST, MOSMAN NSW 2088Small project (<20 lots)

Get the knest.ai app

Gain ultimate insights into any property

Buyer-focused property platform identifying risks, price estimates, 3D land maps and more to help you make smarter decisions — completely free.

Download on the App Store
5.0 rating
15k users

Living in Harbour St, Mosman NSW 2088 : Street Profile & FAQs

Common questions about living on and buying property on Harbour St, Mosman NSW 2088 — lifestyle, transport, and the local housing market.

Note: Data is sourced from the Australian Bureau of Statistics (ABS) 2021 Census data and knest.ai internal statistical data.

Is Harbour St an expensive or affordable street relative to Mosman?

House prices on Harbour St are 13.57% below the Mosman suburb house median. This indicates that, relative to the broader suburb, detached homes on this street are priced at a discount. Buyers looking for Mosman housing stock may find this street offers a more accessible entry point compared to the suburb average.

What are the risk and overlay factors on Harbour St?

There is no bushfire or high-voltage powerline risk on Harbour St. Two properties have a heritage listing, which typically means renovations or exterior changes require council approval. One property falls within a flood overlay, while 47 are recommended for a flood check. The remaining properties have no flood risk identified or are not mapped. Buyers should review flood reports and insurance costs before purchasing.

Are properties on Harbour St mostly on high, level or low ground?

Most homes on Harbour St sit on level ground, with 41 properties at this elevation. Two properties are on the low side, and none are on the high side. Different elevations can influence site characteristics, but specific outcomes depend on the individual property. Buyers should assess the elevation of the specific property rather than relying on the street average.

What type of road is Harbour St?

Road classification, speed limit, and dominant road share data are not available for Harbour St. Without this information, it is not possible to describe the road hierarchy or make observations about traffic or noise levels. Buyers should visit the street to assess the environment firsthand.

Is Harbour St mostly houses or apartments?

Harbour St has 239 residential properties. Apartments make up 76.2% of the street, while houses account for 20.1%. The street is predominantly an apartment street. This mix means buyers will find a higher density residential environment compared to streets dominated by detached housing.

What are the major apartment developments on Harbour St?

There are three major apartment developments on Harbour St. The first is at 46 Harbour St, containing 49 lots across 2 levels, built in 2016. The second is at 55 Harbour St, with 43 lots. The third is at 56 Harbour St, comprising 15 lots across 4 levels, built in 1998. These developments contribute to the street's higher-density residential character.

How many properties have sold on Harbour St?

One house and three apartments sold on Harbour St in the past 12 months. Over the past five years, the turnover rate for houses is 20.8%, while the turnover rate for apartments is 10.4%. Turnover measures the proportion of properties that changed ownership during the past five years.

Is Harbour St a good street to buy property on?

Harbour St is a predominantly apartment street with 239 residential properties. It offers a discount relative to the Mosman suburb median for houses, but buyers should note heritage overlays on two properties and flood check recommendations for 47 homes. The street is suitable for apartment buyers or those seeking a more accessible entry point to Mosman housing stock.