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AutomaticSelf-serve Open 24 h
Circle K
3185 28th Street, Boulder, CO 80301
Get directions View on OpenStreetMap Call (720) 565-3305
Circle K is a self-serve car wash in Boulder, Colorado.
Wash bays with a pressure wand and foam brush where you do the work yourself — pay with quarters, a card or your phone, depending on the site.
It is open 24 hours a day, seven days a week.
- Type
- Self-serve car wash
- Location
- 3185 28th Street, Boulder, CO 80301
- Hours
- Open 24 hours
- Online
- Website (circlek.com)
- Brand
- All Circle K car washes
- Coordinates
- 40.03253, -105.25908
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Updated September 2026 · Report a change for this car wash