The police operation came just hours after a drive-by shooting that is believed to be linked to the escalating bikie war.
Six shots were fired in to the house in McCarthy St, Epping, about 2.15am on Saturday.
Detectives from the Echo Taskforce are investigating.
Meanwhile, up to 140 police officers joined members from the Sheriff's office and dog squad in a massive show of strength as Finks from across the country converged on Melbourne.
The roadblock was set up on the Hume Highway just outside of Wallan about 6pm as the bikies made their way from Glenrowan.
Bikies from Queensland and NSW joined others from Western Australia, South Australia and Victoria on the outskirts of Ned Kelly country before making their intimidating journey into town.
Police have vowed to crack down on unlawful behaviour and are on high alert after a second attempt on the life of Bandidos sergeant-at-arms Toby Mitchell last week.
Police began rounding up bikie members on Friday, arresting five for drug offences in the northern suburbs.
The Finks club was expected to congregate at its Port Melbourne clubhouse before partying into the night.