Mill Creek's Trunk-or-Treat Needs Hosts by October 19, and the City Buys the Candy
When your kids walk Main Street in Mill Creek Town Center on Halloween night, who is handing them the candy? Ten years ago the answer was the shops. In 2026 the answer can be anyone in town with a car and a theme. Even the candy comes from the City.
That shift says something about the event itself. Trunk-or-Treat on Main is the City of Mill Creek's Halloween night, and it runs Saturday, October 31, 2026, from 6 to 8 p.m. at Town Center, 15310 Main St. Families can enjoy it without signing up for anything. To be on the other side of the bowl, you apply through the City by Monday, October 19. That's 13 days from today.
Today's event grew out of an older one, and the dates on record show the change.
The records don't say when the City took over or whether the merchants' event folded into the new one. What they do show is a later time slot, a City organizer, and parked cars added to the storefronts. Businesses haven't left. The City's 2026 description says "cars and businesses will be handing out candy and other fun treats." The difference is that a storefront isn't required anymore.
The calendar matters too. The 2023 edition fell on a Tuesday and the 2024 edition on a Thursday. October 31, 2025 was a Friday. This year, for the first time since the City-run edition shows up in the record, the 6 p.m. start lands on a Saturday, with no school or workday to rush home from.
The City's pitch to hosts is short: "Pick a theme, bring your vehicle and volunteers, and we'll supply the candy!" The flyer the City posted in August uses the same wording and names three hosts, including the Kiwanis Club of Mill Creek and Goldfish Swim School.
Because the City supplies the candy, a host's costs come down to decorations and an evening. That's why the event can draw from the whole town and not just from the businesses that face Main Street.
The application is on the City's Trunk-or-Treat on Main page. It's open to individuals, groups, businesses and organizations, and every field is required. Where a field doesn't apply, the City asks you to write N/A.
| What the form asks for | Why to have it ready |
|---|---|
| Name, phone, email, mailing address | So the City can reach you before the event |
| Personal/Family or Business/Organization | Families and businesses use the same form |
| Business or organization name | Write N/A if you're hosting as a household |
| Spots needed | Covers groups bringing more than one vehicle |
| Vehicle make, model, color, license plate | So the City knows which car belongs to which host |
| Trunk name and trunk theme | Settle on your theme before you open the form |
The form doesn't mention a fee anywhere. It also doesn't explain how hosts arrive on event day or where they park. For those answers, the City lists its Communications office at (425) 582-6003 and [email protected]. Ask about arrival time when you apply, not on October 31.
The Kiwanis Club of Mill Creek keeps showing up in this story. The club, chartered in 2017, re-posted the City's 2025 event on its own site. That post included the host flyer, which promised that "we'll provide the candy," and gave an application deadline of October 20, 2025. This year Kiwanis is named again on the City's host flyer.
The same club runs a quieter October event a week before Halloween. Its community document shredding is set for Saturday, October 24, 2026, from 10 a.m. to 2 p.m. at City Hall North, 15720 Main St. The City says shredding is free and donations are encouraged. Kiwanis is at City Hall North that Saturday and on Main Street the next one.
The City's guidance for families is brief, and each line has a reason behind it.
To see what the event looks like at full size, the City's event page links to a 2025 photo gallery and a Facebook event page for this year.
If you'd like something before Main Street, the Sno-Isle Mill Creek Library at 15429 Bothell Everett Hwy has Family Storytime with Mitra on Wednesday, October 21, from 6:30 to 7:45 p.m. The library sits next to Library Park, the site of the City's Veterans Day ceremony on November 11. We covered the work happening there in our post on why Library Park's October 31 deadline wasn't random. That project's completion date falls on Halloween too.
For more about the stretch of Main Street the trick-or-treaters will walk, our guide to Mill Creek Town Center covers the shops and restaurants that line it the rest of the year.
The trunk applications close on October 19, and the candy is already paid for. If you're decorating a hatchback for Main Street this year and want to swap theme ideas, or you have questions about life in Mill Creek after Halloween, Becca Locke is glad to hear from you.
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