9am–4pm White Plains Road Farmers Market & DOT NYC Open Streets Ages: 5 – 8Caribbean Community Williamsbridge
10am–7pm Brick-or-Treat: Monster Party Ages: 3 – 12Attractions Games LEGOLAND Discovery Center WestchesterYonkers
10am–noon Super Seedlings Ages: 3 – 8Environment Free Van Cortlandt Park Alliance Garden & Compost SiteBronx
Noon–3pm Trick-or-Treating @ Hilltop Hanover Farm Ages: AllAnimals Attractions Hilltop Hanover Farm & Environmental CenterYorktown Heights
7–10:30pm The Haunt at Wildcliff Mansion Ages: 5 and upHalloween Holiday The Haunt at Wildcliff MansionNew Rochelle
10am–7pm Brick-or-Treat: Monster Party Ages: 3 – 12Attractions Games LEGOLAND Discovery Center WestchesterYonkers
1–4pm Orangetown Museum Exhibition: Creating Community 1950 Ages: 3 and upArt Community The Orangetown Historical Museum & ArchivesOrangeburg
6:30–10pm The Haunt at Wildcliff Mansion Ages: 5 and upHalloween Holiday The Haunt at Wildcliff MansionNew Rochelle
11am–5pm Brick-or-Treat: Monster Party Ages: 3 – 12Attractions Games LEGOLAND Discovery Center WestchesterYonkers
10am–2pm Orangetown Museum Exhibition: Creating Community 1950 Ages: 3 and upArt Community The Orangetown Historical Museum & ArchivesOrangeburg
11am–5pm Brick-or-Treat: Monster Party Ages: 3 – 12Attractions Games LEGOLAND Discovery Center WestchesterYonkers
4:30–5:30pm Game On! @ the VILLAGE BRANCH Ages: 5 – 12Free Haverstraw King’s Daughters Public Library Village BranchHaverstraw
11am–5pm Brick-or-Treat: Monster Party Ages: 3 – 12Attractions Games LEGOLAND Discovery Center WestchesterYonkers
10–11am Farm Friends Ages: 3 – 8Classes Environment Hilltop Hanover Farm & Environmental CenterYorktown Heights
11am–5pm Brick-or-Treat: Monster Party Ages: 3 – 12Attractions Games LEGOLAND Discovery Center WestchesterYonkers
10am–2pm Orangetown Museum Exhibition: Creating Community 1950 Ages: 3 and upArt Community The Orangetown Historical Museum & ArchivesOrangeburg
11am–5pm Brick-or-Treat: Monster Party Ages: 3 – 12Attractions Games LEGOLAND Discovery Center WestchesterYonkers
7–10:30pm The Haunt at Wildcliff Mansion Ages: 5 and upHalloween Holiday The Haunt at Wildcliff MansionNew Rochelle
4am–7pm Beasties and Besties Halloween Bash Ages: 3 – 8Halloween Holiday Stepping Stones Museum for ChildrenNorwalk
9am–4pm White Plains Road Farmers Market & DOT NYC Open Streets Ages: 5 – 8Caribbean Community Williamsbridge
10am–7pm Brick-or-Treat: Monster Party Ages: 3 – 12Attractions Games LEGOLAND Discovery Center WestchesterYonkers
11am–12:30pm Farming & Witchcraft Ages: 5 and upClasses Craft & DIY Hilltop Hanover Farm & Environmental CenterYorktown Heights