Experiencing this bug archived here in latest build with all DLC packs, no mods/cc. The default Wedding Venue in Tartosa IS available, but no customly made ones. I did just check the lot, however, ...
Ideas
Status changed:
New
to Duplicate
Please post in that thread: [MWS] Wedding Venues placing as Residential from Gallery | EA Forums - 11893158 although the small business part is new and it usually only happened when placed from the gallery.
Maybe the issue has expanded though.