Trick or treat
- Aleppo Township, Greene County – 6 to 8 p.m. Oct. 31
- Bentleyville – 5 to 7 p.m. Oct. 31
- Buffalo Township – 6 to 8 p.m. Oct. 31
- Burgettstown – 5 to 7 p.m. Oct. 31
- California – 2 to 4 p.m. Oct. 28
- Canton Township – 5:30 to 7 p.m. Oct. 31
- Carroll Township – 5 to 7 p.m. Oct. 28
- Centerville Borough – 5 to 7 p.m. Oct. 31
- Charleroi – 5:30 to 7 p.m. Oct. 31
- Chartiers Township – 6 to 7:30 p.m. Oct. 31
- Claysville – Parade at 5:30 p.m. with trick or treating afterward until 7
- Cokeburg – 6 to 7 p.m. Oct. 31
- Cross Creek – 4 to 6 p.m. Oct. 29
- Deemston – 2 to 5 p.m. Oct. 28 for children 12 and under; candy will be distributed at the borough building
- Donora – 5 to 7 p.m. Oct. 28; Halloween parade is at 6 p.m. Oct. 26
- Dunlevy – 2 to 4 p.m. Oct. 28
- Eldersville/Jefferson Township (Washington County) – 5 to 7 p.m. Oct. 31
- Fallowfield Township – 5:30 to 7:30 p.m. Oct. 31
- Finleyville Borough – 6 to 8 p.m. Oct. 31
- Houston – 6 to 7:30 p.m. Oct. 31
- Independence Township – 4 to 6 p.m. Oct. 29
- Jefferson Borough – 6 to 8 p.m. Oct. 31
- Long Branch – 2 to 5 p.m. Oct. 28
- McDonald Borough – 6 to 8 p.m. Oct. 31
- Midway – 6 to 8 p.m. Oct. 31
- Monongahela City (Washington County) – 6 to 8 p.m. Oct. 28
- Monongahela Township – 6 to 8 p.m. Oct. 31; supervisors will hand out candy at the township building
- Morgan Township – 6 to 7:30 p.m. Oct. 31
- Morris Township, Washington County – 2 to 3 p.m. Oct. 29
- Mt. Pleasant Township – 6 to 7:30 p.m. Oct. 31; Trunk-or-Treat is 3 to 5 p.m. Oct. 28
- New Eagle – 6 to 8 p.m. Oct. 28
- North Strabane – 6 to 7:30 p.m. Oct. 31
- Nottingham Township – 6 to 8 p.m. Oct. 31
- Peters Township – 6 to 8 p.m. Oct. 31
- Roscoe – Parade begins at 2 p.m. Oct. 28, followed by trick or treating from 3 to 5 p.m.
- Smith Township – 5 to 7 p.m. Oct. 31
- Somerset Township – 5 to 7 p.m. Oct. 31
- Speers – Parade at 2 p.m. Oct. 28 with trick or treating afterward until 5
- Union Township – 6 to 8 p.m. Oct. 31
- Washington City – 6 to 7:30 p.m. Oct. 31
- Wayne Township – 6 to 8 p.m. Oct. 31, door to door
- West Brownsville – 2 to 4 p.m. Oct. 28