Middle Sydney led all the property markets with a vacancy rate of 1.6%, down 0.3%.
These included suburbs in Auburn, Bankstown, Burwood, Canterbury, Canada Bay, Hunters Hill, Hurtsville, Kogarah, Ku-ring-gai, Manly, Parramatta, Rockdale, Ryde, Strathfield, and Willoughby.
Outer Sydney also saw a decline of 0.2% at 1.7%, while Inner Sydney remained steady at 1.9%.
The Illawarra region also experienced a 0.3% fall in vacancy rate at 1.6%. Meanwhile, the vacancy rate in Hunter region rose 0.3% to 2.7%, led by a rise in Newcastle.
Regional areas also had declining vacancy rates. New England fell 0.8% at 3.9%, Murrumbidgee dropped 0.1% at 1.5%, and Albury was down 0.6% at 3.1%.