The wrong address was associated with Ms Dokhotaru’s phone number which meant police were unable to locate the 34-year-old.
Her body was eventually discovered by police following a phone call for a welfare check from a neighbour.
Police actioned a search warrant at a home in St Clair at 6AM on Monday morning where they arrested 28-year-old Danny Zayat.
Zayat has been transported to the Penrith Police Station before being formally charged with murder.
He is set to face the Penrith Local Court on Monday.
Subscribe to The Briefing, Australia’s fastest-growing news podcast on Listnr today. The Briefing serves up the latest news headlines and a deep dive into a topic affecting you. All in under 20 minutes.