# [SomerStreets: Monster Mash](https://wknd.app/r/czszhh/somerstreets-monster-mash)

- When: 2026-10-18 13:00-17:00 (America/New_York)
- Scarcity: one_day
- Cadence: once
- Where: Somerville Ave at Union Square, 52 Union Sq, Somerville, MA 02143 (42.3799833, -71.0960916)
- Ages: all ages
- Price: free
- Category: festival
- Topics: halloween, outdoor, live-music, little-kids, drop-in
- About: Car-free Halloween street party: community costume parade led by the School of Honk, live music on two stages, pumpkin carving, face painting, and lawn games. Free.
- Source: https://www.somervillema.gov/events/2026/10/18/monster-mash
- Feed: [Boston family events](https://wknd.app/f/2v8gjb/boston-family-events)

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