Gwinnett Humane Society Adoption Center 1350 Scenic Hwy N, Snellville, GA30078 The Gwinnett Humane Society Adoption Center is open weekends and located in the The Avenue Web Gin shopping plaza. The…More local Humane Society doesn't operate its own shelter, instead it places animals in foster homes until they can find permanent pet owners. The center gives potential pet owners the opportunity to meet those animals. Unlike breeders and pet stores, it offers cats and dogs at a minimal fee to cover the cost of the programs. All fees include current vaccinations and spay and neutering.