Officer (postcode 3809) is a residential suburb in the Shire of Cardinia, 48 km south-east of Melbourne CBD. It sits on the Princes Highway corridor between Pakenham and Berwick, and is part of Melbourne's outer south-east growth arc.
The median house price is $786,000 (CoreLogic 2026) with 4.83% annual capital growth. Average days on market is 27, one of the tightest figures in the outer south-east corridor. Properties are primarily detached family homes on estate lots.
Officer's growth story is structural rather than speculative. The Cardinia corridor has been the focus of sustained infrastructure investment since the early 2000s, with school construction, road upgrades, and commercial development following the residential population.