9 Union St, Mosman is a 4 bedroom, 1 bathroom House. The property has a land size of 582m2. While the property is not currently for sale or for rent, it was last sold in April 2025.
A rare and exciting opportunity to create your Mosman dream in a highly desired pocket, this freestanding Federation beauty is offered for sale for the first time since the 1940s. Gracing a prime 581.7sqm landholding with a perfect due north to rear aspect, and situated in the most convenient of locations.
210m to regular city buses on Bradleys Head Rd
240m to Blessed Sacrament Catholic Primary
Retaining much of its nostalgic charm within its four-bedroom layout, high ceilings are adorned with patterned detailing in the front section of the home. Arrive through a traditional entry vestibule separating the classic front rooms from the traditional lounge. Multiple bedrooms stem off a central hallway, all bedrooms feature built-in storage solutions.
Extended at the rear to enhance the connection to the garden and northerly aspect, a relaxed family rooms steps outside through sliding glass doors. Renovation ready with endless untapped potential, the home is very liveable or leasable as is and features upgrades such as a 900mm Falcon gas cooker in the eat-in kitchen and ducted reverse cycle air-conditioning.
Part of a tree-lined family friendly community, discover the supreme convenience of this prized address enviably positioned within easy reach of Sirius Cove, Taronga Zoo, Clifton Gardens, Mosman village and Balmoral Beach.
Soaring ornate ceiling in the entry vestibule
Front lounge versatile as another bedroom
Lounge and central living room with fireplaces
Versatile home office/TV room lined in joinery
Well maintained timber veneer joinery throughout
Relaxed additional living room opening to garden
Eat-in kitchen updated with a Falcon 900mm oven
Master with adjoining sunroom lined in built-ins
Built-in robes feature in bedroom two and three
Mosaic tiling in the bathroom, separate bathtub
Separate powder room plus eternal toilet
Large laundry/storeroom opening to backyard
Child-friendly backyard with near level lawns
Ducted reverse-cycle air-con and ceiling fans
Traditional lighting highlighting ornate ceilings
Opportunity to add off-street parking (STCA)
For more information or to arrange an inspection, please contact Bernard Ryan 0408 408 509, James Downing 0405 716 464 or Shelley McShane 0459 335 474.
* All information contained herein is gathered from sources we consider to be reliable, however we cannot guarantee or give any warranty to the information provided.
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The size of Mosman is approximately 8.7 square kilometres. There are 45 parks, covering nearly 29.6% of the 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 16,013 properties. Over the last 5 years, Houses in Mosman have seen a 13.80% increase in median value, while Units have seen a 22.36% increase. As at 30 April 2026:
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