4 Union St, Mosman is a 4 bedroom, 2 bathroom House with 2 parking spaces and was built in 1905. The property has a land size of 946m2 and floor size of 205m2. While the property is not currently for sale or for rent, it was last sold in February 2014.
Stately Federation, grand single level family living
Presiding over its superb 936sqm corner lot, this majestic early 1900???s Smith and Cabban Federation exudes charm and style, magnificent in its proportions and providing a remarkable abode for families of all ages. Enhanced and updated, its timelessly elegant interiors are complimented by the private outdoor spaces with pool.
Immersed in northern light, it enjoys a rare single level floor plan wrapped in wide verandahs and adorned with all the beautiful hallmarks of its heritage. Delight in the whisper quiet, child friendly enclave, just moments from elite schools, village shops and cafes, bus and ferry.
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 16,013 properties. Over the last 5 years, Houses in Mosman have seen a 30.04% increase in median value, while Units have seen a 37.05% increase. As at 31 December 2025:
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