They found $22,000 worth of fentanyl, $7,000 worth of cocaine and $670 cash.
The NRP searched a home and a car in St. Catharines on Tuesday, in the Niagara Street and Church Street area.
Officers were responding to a report of two men with guns, but they did not find any firearms on scene.
Three people have been arrested and charged; a 30-year-old St. Catharines woman, a 23-year-old Hamilton man and a 17-year-old boy from Hamilton.
Public Health Asking for $42-Mill
It's a funding request for this year to the province
Fort Erie Increasing Pressure on Niagara Health
The town considering asking management to resign
Young Offender Arrested in Vape Store Theft
Police looking for another suspect after the robbery in Fort Erie Tuesday morning
150th Birthday Celebrated at Montebello Park
The event starts at noon on Saturday
City Encouraged to Go After Funding
Haley Bateman concerned taxes will go 'wild'
Cost of Renewing Vows Could Rise
The Honeymoon Capital of the World considering options
GM Investing in St. Catharines
The car company investing millions
NRP Investigating Fatal Pelham Crash
This happened last night on Highway 20