Night-shift workers and road-trippers wash cars at 2 a.m. too. Each listing here has round-the-clock access confirmed individually — mostly self-serve bays and unattended automatics.
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Splash In
11290 Billingsley Rd, Waldorf, MD 20602-3494
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Splash In
3690 Crain Hwy, Waldorf, MD 20603-4801
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Splash In
2007 Smallwood Dr W, Waldorf, MD 20603-4761
24-hour usually means the bays, not the staff. The office and detailing side keep business hours; the wash itself runs unattended. If the machine eats your payment at night, the refund happens in the morning.
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24-Hour Car Washes near Waldorf
Good to know
Are 24-hour car washes really open all night?
The self-serve bays and automatic tunnels usually are — they run unattended. Staffed services like detailing or hand-drying keep daytime hours even at locations advertised as 24/7.