Looking for Halloween decorations or costumes? Here are a few places to check out. I am not affiliated or sponsored by these places in any way. Purposly not adding links, but a quick web search should get you there.
Spirit Store: (Burnaby/Vancouver/North Vancouver) A large store with some cool props and lots of costumes.
The Party Bazaar/Flying Witch: (Vancouver and Langley) Overpriced, but a good selection of costumes.
Party Packagers: (North Vancouver) I've not checked them out, but I got thier flyer in the Mail.
Thomas FX: (North Vancouver) Some things are overpriced, other prices are fair. They have a lot of unique items. Many items year-round. Lots of fun to go and visit.
New York Novelties: (Main and Broadway): Some goofy stuff, some scary stuff.
Dressew: (Downtown Vancouver) Masks, Wigs, costume accessories. Few decorations. Good prices on fabric to make your own costumes. They have lots of stuff year-round too.
Homesense: Lots of reasonably priced decor and kitchen items. Some props and costumes.
Value Village: Mainly costumes and accessories, but they have some decorations.
More Madness Costumes: (Fraser St.): They rent and sell costumes and accessories.
HollyNorth: (Burnaby) Mainly theatrical makeup (bloods). They also rent gear and have great supplies like nicotine spray and snot tape.
Micahel's Crafts: They put their stuff out early, and transform to x-mas before Halloween. Some neat decorations, but nothing unique this year
Carols Costume Corner: (North Vancouver) Mainly sales and renatls of costumes and accessories.
Any more suggestions? Please post a comment.