A 47-year-old Otaki man was arrested and charged with possession methamphetamine for supply, possession ammunition, cultivation cannabis and possession cannabis at the first house.
Police say it's likely further charges will be filed once further examinations on items seized have been completed.
The man was remanded in custody to appear in the Levin District Court on Wednesday 14 September.
A 42-year-old Otaki woman was also arrested for breach of bail.
A 27-year-old woman, also from Otaki, was arrested at a second property and now faces 18 charges relating to the possession and supply of methamphetamine and GBL.
She has been remanded in custody to appear in the Levin District Court tomorrow.
The cash was located at one of the addresses.
Thompson says he encourages people to go to police if they see or hear about drug dealing in their community.
"The two warrants executed are examples of what can be achieved with the assistance of the community."
Anyone with information about any crime can report it anonymously to Crimestoppers on 0800 555 111.