Hundreds of cannabis plants were recovered after a search warrant was executed on Wednesday morning at premises in Overhaugh Street which used to house the Warehouse Nightclub.
No arrests have yet been made but a large amount of sophisticated drugs paraphernalia was found.
A Police Scotland spokesperson said:"On the morning of Wednesday, November 1, officers carried out a drugs search warrant at disused premises in the Overhaugh Street area of Galashiels.
"Quantities of cannabis were recovered and enquiries are at an early stage."