The house used for the Taylor home is the same as Lara Jean's in the "To All the Boys I've Loved Before" trilogy. The address is 9147 Gay St, Langley, BC V1M 3T4, Canada.
Maybe an inside joke: The wedding dress was sent to British Columbia rather than Illinois. This movie was actually shot in British Columbia.
Fort Langley Community Hall stands in for Roselake Community Hall (where Leah and Drew take a carriage ride). Located southeast of Vancouver, in Langley, this community hall's exterior shows up in many Once Upon a Time episodes as Storybrooke's Town Hall.