21 Ruby Street, Mosman, NSW 2088 | Property Value & History | OnTheHouse
 
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21 Ruby Street
Mosman NSW 2088

Bedrooms: 4
Bathrooms: 3
Car spaces: 2
Floor area: 291m2
Land area: 729m2
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Last updated 29 Dec 2025
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Property Details for 21 Ruby St, Mosman

21 Ruby St, Mosman is a 4 bedroom, 3 bathroom House with 2 parking spaces and was built in 1900. The property has a land size of 729m2 and floor size of 291m2. While the property is not currently for sale or for rent, it was last sold in May 2013.

Building Type
House
Year Built
1900
Floor Size
291m2
Land Size
729m2
Local Government
Mosman
Lot/Plan
512/DP813252

Last Listing description (July 2018)

Superbly elevated and sympathetically-enhanced for gracious living, this grand 1908 single-level residence features elegant interiors and wonderfully generous proportions throughout.

Ideally suited to older families and low-maintenance living

Formal living/dining with period fireplace and panoramic views

Casual living/dining flows to a garden and private pool

King size bedrooms with built-ins, choice of master bedroom

Granite kitchen, renaissance bathrooms, including ensuite

Soaring ceilings and splendid detailing in each room

Additional office/gym and storage area with separate entry

Panoramic iconic views of the Harbour Bridge and Opera House

DA-approved for second storey and underground passage

Street-level automatic double garage, electronic entry gate

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Property History for 21 Ruby St, Mosman, NSW 2088

A timeline of how this property has performed in the market
Last Sold
$4,012,000
15 May 2013
Listed for Rent
$2.90k/w
30 Aug 2013
  • 04 Jun 2013
    Listed for Rent - Price not available
  • 15 May 2013
    Sold for $4,012,000
  • 27 Feb 2013
    Listed for Sale EXPRESSIONS OF INTEREST
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About Mosman 2088

The size of Mosman is approximately 8.7 square kilometres. It has 45 parks covering nearly 29.6% of total area. The population of Mosman in 2016 was 28475 people. By 2021 the population was 28329 showing a population decline of 0.5% in the area during that time. The predominant age group in Mosman is 50-59 years. Households in Mosman are primarily couples with children and are likely to be repaying over $4000 per month on mortgage repayments. In general, people in Mosman work in a professional occupation.In 2021, 64.10% of the homes in Mosman were owner-occupied compared with 62.80% in 2016.

Mosman has 16,009 properties. Over the last 5 years, Houses in Mosman have seen a 46.07% increase in median value, while Units have seen a 35.71% increase. As at 30 November 2025:

  • The median value for Houses in Mosman is $6,080,516 while the median value for Units is $1,477,501.
  • Houses have a median rent of $1,800 while Units have a median rent of $800.
There are currently 38 properties listed for sale, and 36 properties listed for rent in Mosman on OnTheHouse. According to Cotality's data, 645 properties were sold in the past 12 months in Mosman.

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Cotality Copyright and Legal Disclaimers about Property Data

© Copyright 2026. RP Data Pty Ltd trading as Cotality (Cotality). All rights reserved. No reproduction, distribution, or transmission of the copyrighted materials is permitted. The information is deemed reliable but not guaranteed.

Disclaimer
The Cotality Data provided in this publication is of a general nature and should not be construed as specific advice or relied upon in lieu of appropriate professional advice.

While Cotality uses commercially reasonable efforts to ensure the Cotality Data is current, Cotality does not warrant the accuracy, currency or completeness of the Cotality Data and to the full extent permitted by law excludes all loss or damage howsoever arising (including through negligence) in connection with the Cotality Data.

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