Free Petcoween party and pet costume contest at Petco on Oct 17
Costume contest + treats
Petco's Petcoween party on Oct 17, 2-4pm, has a pet costume contest for prizes, free treats and a photo op. Participation varies by store.
- When
- Oct 17, 2-4pm
- Where
- Participating Petco stores
How to get it
- Check with your local Petco (use Find a Store on petco.com). Petco says participation varies.
- Bring your pet in costume on Oct 17 between 2pm and 4pm.
- Be there by 2pm for the costume contest, which Petco says starts at 2pm.
Fine print
- Petco says participation varies and doesn't list which stores take part.
- Petco doesn't describe the contest prizes, how winners are picked, or any contest rules.
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- The page doesn't mention registration or whether treats are limited.
- The page lists the date as October 17 without a year; it is the October 2026 events page (2026 image names and copyright).
- Separately, Petco lists in-store trick-or-treat Oct 17-31, all day: bring your pup in costume and grab a free treat.
- Release date: Petco gives none. 2026-10-17 is the day we read the offer live on Petco's page.
Source
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