Three people have been charged in connection with the theft of several firearms, including shotguns and rifles, a crossbow and ammunition from a home in Wainfleet.
The break and enter occurred on Tuesday.
A police investigation led to arrest of Welland man on Thursday.
Eleven firearms, a crossbow and a large quantity of ammunition were recovered.
Twenty-four-year-old Matthew Lottridge faces several charges including breaking and entering to steal a firearm.
Acting on information that more firearms stolen during the break and enter were inside a residence on Young Street in Welland, police shutdown a neighbourhood in the city's downtown core Friday afternoon while the Emergency Task Unit carried out a search.
Police say they were acting out of an abundance of caution when officers decided to shutdown the area.
They recovered another firearm, ammunition and a pellet gun - all believed to be stolen in the break and enter in Wainfleet.
Forty-one-year-old Jeffery Labbe of Welland faces several charges including unauthorized possession of a firearm.
Twenty-two-year-old Corrine Guthro of Welland is charged with obstructing a peace officer.
Police have now recovered 13 firearms, a substantial amount of ammunition, a crossbow and other property taken in the break and enter.
The investigation continues, but police say they're confident that most of the stolen property has been recovered